常用芯片数据手册

1、19-3721; Rev 0; 5/05概述TM 降压控制器，用于采用6特性MAX8760是双相、Quick-双相、Qu ck-控制器位VID的AMD移动式TurionTM 64 CPU的内核供电电路。双相工作模式降低了输入纹波电流要求和输出电压纹波，同时也简化了外部元件的选择和电路板布线。Quick-控制技术提供高速负载电流阶跃响应。MAX8760 采用可调节的增益和偏移进行有源电压定位，降低了功耗和对大容量输出电容的需求。MAX8760可用于两种不同类型的笔记本CPU核供电方案：直接由电池降压或由5V系统电源降压产生核电压。单级转换中该器件直接对高压电池组降压，以提供最高的效率；更高开关频

2、率的两级转换方案 (对5V系统电源而不是电池降压) 具有最小的物理尺寸。MAX8760符合AMD台式计算机和移动CPU的规范要求。开关调节器具有软启动、顺序上电和软关断功能。MAX8760还具有独立的四电平逻辑输入，用于设置挂起电压 (S0， S1)。MAX8760 包括输出欠压保护、热保护和电压调节器电源好 (VROK) 输出。当这些保护电路检测到任何故障时，控制器被关断。MAX8760 采用小尺寸、40引脚、6mm x 6mm、薄型QFN在整个输入范围、负载变化范围和工作温度范围内，提供0.75%的VOUT精度 (1.3V)利用可调节增益和失调实现有源电压定位6位片上DAC：0.375V至

3、1.55V的输出电压范围可选择的100kHz/200kHz/300kHz/550kHz开关频率4V至28V的电池输入范围可调节摆率控制驱动大电流同步整流MOSFET欠压保护和热保护电源排序和定时可选挂起电压软启动和软关断可选择单相或双相跳脉冲定购信息封装。关于其它CPU的供电方案，请参考引脚兼容的MAX1544、MAX1519/MAX1545和MAX1532/MAX1546/MAX1547数据资料。+代表无铅封装。应用引脚配置6位VID AMD移动式Turion 64 CPU多相CPU核电源服务器/台式计算机电压定位降压型转换器302928272625242322213120193233183

4、4173516MAX87603615371438133912401112345678910Quick是egrated Products, Inc 的商标。Turion是AMD的商标。egrated Products 1本文是Max m正式英文资料的译文，Max m不对翻译中存在的差异或由此产生的错误负责。请注意译文中可能存在文字组织或翻译错误，如需确认任何词语的准确性，请参考Max m提供的英文版资料。索取免费样品和版的数据资料，请Max m的主页：。MAX8760TIME TON SUS S0 S1SHDN OFSREF ILIM VCCVDD DLM DHMLXM BSTM VR

5、OK D0 D1 D2D3TOP VIEWPGNDD4DLSD5DHSSKIPLXSOAIN+BSTSOAIN-V+FBCMPCCICMNGNDSCSNCCVCSPGNDTHIN QFNPARTTEMP RANGN-PACKAGEMAX8760ETL-40C to +100C 40 Thin QFN 6mm x 6mmMAX8760ETL+ -40C to +100C 40 Thin QFN 6mm x 6mmABSOLUTEUM RATINGSV+ to GNDV to +30VVCC to GNDV to +6VVDD to PGNDV to +6VSKIP, SUS, D0D5 to G

6、NDV to +6VILIM, FB, OFS, CCV, CCI, REF, OAIN+,OAIN- to GND0.3V to (VCC + 0.3V)CMP, CSP, CMN, CSN, GNDS to GND0.3V to (VCC + 0.3V)TON, TIME, VROK, S0S1 to GND.0.3V to (VCC + 0.3V)SHDN to GND (Note 1)V to +18VDLM, DLS to PGND0.3V to (VDD + 0.3V)BSTM, BSTS to GNDV to +36VDHM to LXM0.3V to (VBSTM + 0.3V

7、)LXM to BSTM.-6V to +0.3VDHS to LXS0.3V to (VBSTS + 0.3V)LXS to BSTS.-6V to +0.3VGND to PGNDV to +0.3VREF Short-Circuit DurationContinuousContinuouser Dissipation (TA = +70C) 40-Pin 6mm 6mm Thin QFN(derate 23.2mW/C above +70C)1.860WOperating Temperature Range.-40C to +100CJunction Temperature+150CSt

8、orage Temperature Range.-65C to +150CLead Temperature (soldering, 10s)+300CNote 1: SHDN may be forced to 12V for the pure of debugging prototyp fault protection and overlapoperation.s using the no-fault test mode, which disablesStressesthose listed under “Absoluteum Ratings” may cause permanent dama

9、ge to the device. These are stress ratings only, and functionaloperation of the device at these or any other conditionsthose indicatedhe operational sections of the specifications is not imp d. Exure toabsoluteum rating conditions for extended periods may affect device reliability.ELECTRICAL CHARACT

10、ERISTICS(Circuit of Figure 1, V+ = 15V, VCC = VDD = VSHDN = VSKIP = VS0 = VS1 = 5V, VFB = VCMP = VCMN = VCSP = VCSN = 1.3V, OFS =SUS = GNDS = D0D5 = GND, TA = 0C to +85C, unless otherwise specified. Typical values are at TA = +25C.)2MAX8760PARAMETERSYMBOLCONDITIONSMYPMAXUNITSCONTROLLERInput Voltage

11、RangeBattery voltage, V+428VVCC, VDD4.55.5DC Output Voltage Accuracy (Note 2)V+ = 4.5V to 28V,includes load regulation errorDAC codes 1V-10+10mVDAC codes from 0.375V to 1V-15+15Line Regulation ErrorVCC = 4.5V to 5.5V, V+ = 4.5V to 28V5mVInput Bias CurrentIFB, IGNDSFB, GNDS-2+2AIOFSOFS-0.1+0.1OFS Inp

12、ut Range02VOFS GainAOFSVOUT/VOFS;VOFS = VOFS, VOFS = 0 to 1V-0.129-0.125-0.117V/VVOUT/VOFS;VOFS = VOFS - VREF, VOFS = 1V to 2V-0.129-0.125-0.117GNDS Input Range-20+200mVGNDS GainAGNDSVOUT/VGNDS0.970.991.01V/VTIME Frequency AccuracyfTIME1000kHz nominal, RTIME = 15k90010001100kHz500kHz nominal, RTIME

13、= 30k460500540250kHz nominal, RTIME = 60k225250275Startup and shutdown, RTIME = 30k125ELECTRICAL CHARACTERISTICS (continued)(Circuit of Figure 1, V+ = 15V, VCC = VDD = VSHDN = VSKIP = VS0 = VS1 = 5V, VFB = VCMP = VCMN = VCSP = VCSN = 1.3V, OFS =SUS = GNDS = D0D5 = GND, TA = 0C to +85C, unless otherw

14、ise specified. Typical values are at TA = +25C.) 3MAX8760PARAMETERSYMBOLCONDITIONSMYPMAXUNITSOn-Time (Note 3)tONV+ = 12V,VFB = VCCI = 1.2VTON = GND (550kHz)155180205nsTON = REF (300kHz)320355390TON = open (200kHz)475525575TON = VCC (100kHz)92010001140Minimum Off-Time (Note 3)tOFF(MIN)TON = GND300375

15、nsTON = VCC, open, or REF400480BIAS AND REFERENCEQuiescent Supply Current (VCC)ICCMeasured at VCC, FB forced above the regulation po , OAIN- = FB, VOAIN+ = 1.3V1.703.20mAQuiescent Supply Current (VDD)IDDMeasured at VDD, FB forced above the regulation po15AQuiescent Battery Supply Current (V+)IV+Meas

16、ured at V+2540AShutdown Supply Current (VCC)Measured at VCC, SHDN = GND410AShutdown Supply Current (VDD)Measured at VDD, SHDN = GND15AShutdown Battery Supply Current (V+)Measured at V+, SHDN = GND, VCC = VDD = 0V or 5V15AReference VoltageVREFVCC = 4.5V to 5.5V, IREF = 01.9902.0002.010VReference Load

17、 RegulationVREFIREF = -10A to 100A-10+10mVFAULT PROTECTIONOutput Overvoltage Protection ThresholdVOVP2.00VOutput Overvoltage Propagation Delay10stOVB forced 2% above trip thresholdOutput Undervoltage Protection ThresholdVUVPMeasured at FB with respect to unloaded output voltage677073%Output Undervol

18、tage Propagation Delay10stUVB forced 2% below trip thresholdVROK ThresholdMeasured at FB with respect to unloaded output voltageLower threshold (undervoltage)-12-10-8%Upper threshold (overvoltage) SKIP = VCC+8+10+12ELECTRICAL CHARACTERISTICS (continued)(Circuit of Figure 1, V+ = 15V, VCC = VDD = VSH

19、DN = VSKIP = VS0 = VS1 = 5V, VFB = VCMP = VCMN = VCSP = VCSN = 1.3V, OFS =SUS = GNDS = D0D5 = GND, TA = 0C to +85C, unless otherwise specified. Typical values are at TA = +25C.)4MAX8760PARAMETERSYMBOLCONDITIONSMYPMAXUNITSOutput Undervoltage Fault and VROK Transition Bling TimetBLMeasured from the ti

20、me when FB reaches the voltage set by the DAC code; clock speed set by RTIME (Note 4)24ClksVROK Startup DelayMeasured from the time when FB reaches the voltage set by the DAC code after startup357msVROK DelaytVROKFB forced 2% outside the VROK trip threshold10sVROK Output Low VoltageISINK = 3mA0.4VVR

21、OK Leakage CurrentHigh s e, VROK forced to 5.5V1AVCC Undervoltage Lockout ThresholdVUVLO(VCC)Rising edge, hysteresis = 90mV, disabled below this level4.04.254.4VThermal-Shutdown ThresholdTSHDNHysteresis = 10C+160CCURRENT LIMIT AND BALANCECurrent-Limit Threshold Voltage (itive, Default)VLIMITCMP - CM

22、N, CSP - CSN; ILIM = VCC283032mVCurrent-Limit Threshold Voltage (itive, Adjustable)VLIMITCMP - CMN, CSP - CSNVILIM = 0.2V81012mVVILIM = 1.5V737577Current-Limit Threshold Voltage (Negative)VLIMIT(NEG)CMP - CMN, CSP - CSN; ILIM = VCC,SKIP = VCC-41-36-31mVCurrent-Limit Threshold Voltage (Zero Crossing)

23、VZEROCMP - CMN, CSP - CSN; SKIP = GND1.5mVCMP, CMN, CSP, CSN InputRanges02VCMP, CMN, CSP, CSN InputCurrentVCSP = VCSN = 0 to 5V-2+2ASecondary Driver-Disable ThresholdVCSP3VCC - 1VCC - 0.4VILIM InpurrentIILIMVILIM = 0 to 5V0.1200nACurrent-Limit Default Switchover ThresholdVILIM3VCC - 1VCC - 0.4VCurre

24、nt-Balance OffsetVOS(IBAL)(VCMP - VCMN) - (VCSP - VCSN); ICCI = 0,-20mV (VCMP - VCMN) 20mV, 1.0V VCCI 2.0V-2+2mVELECTRICAL CHARACTERISTICS (continued)(Circuit of Figure 1, V+ = 15V, VCC = VDD = VSHDN = VSKIP = VS0 = VS1 = 5V, VFB = VCMP = VCMN = VCSP = VCSN = 1.3V, OFS =SUS = GNDS = D0D5 = GND, TA =

25、 0C to +85C, unless otherwise specified. Typical values are at TA = +25C.) 5MAX8760PARAMETERSYMBOLCONDITIONSMYPMAXUNITSCurrent-Balance TransconductanceGm(IBAL)400SGATE DRIVERSDH_ Gate-Driver On-RON(DH)BST_ - LX_ forced to 5V1.04.5DL_ Gate-Driver On-RON(DL)High s e (pullup)1.04.5Low start (pulldown)0

26、.42DH_ Gate-Driver Sourink CurrentIDHDH_ forced to 2.5V, BST_ - LX_ forced to 5V1.6ADL_ Gate-Driver Sink CurrentIDL(SINK)DL_ forced to 5V4ADL_ Gate-Driver Source CurrentIDL(SOURCE)DL_ forced to 2.5V1.6ADead TimetDEADDL_ rising35nsDH_ rising26VOLTAGE-ITIONINGLIFIERInput Offset VoltageVOS-1+1mVInput B

27、ias CurrentIBIASOAIN+, OAIN-0.1200nAOpDisable ThresholdVOAIN-3VCC - 1VCC - 0.4VCommon-Mode Input Voltage RangeVCMGuaranteed by CMRR test02.5VCommon-Mode Rejection RatioCMRRVOAIN+ = VOAIN- = 0 to 2.5V70115dBer-Supply Rejection RatioPSRRVCC = 4.5V to 5.5V75100dBLarge-Signal Voltage GainAOARL = 1k to V

28、CC/280112dBOutput Voltage Swing|VOAIN+ - VOAIN-| 10mV,RL = 1k to VCC/2VCC - VFBH77300mVVFBL47200Inpapacitance11Gain-Bandwidth Product3MHzSlew Rate0.3V/sCapacitive-Load StabilityNo sustained oscillations400LOGIC AND I/OSHDN Input High VoltageVIH0.8VSHDN Input Low VoltageVIL0.4VSHDN No-Fault Threshold

29、VSHDNTo enable no-fault mode1215VHigh2.7VThree-Level Input Logic LevelS, SKIPREF1.22.3Low0.8Logic InpurrentSHDN, SKIP, SUS-1+1AD0D5 Logic Input High Voltage1.6VELECTRICAL CHARACTERISTICS (continued)(Circuit of Figure 1, V+ = 15V, VCC = VDD = VSHDN = VSKIP = VS0 = VS1 = 5V, VFB = VCMP = VCMN = VCSP =

30、 VCSN = 1.3V, OFS =SUS = GNDS = D0D5 = GND, TA = 0C to +85C, unless otherwise specified. Typical values are at TA = +25C.)ELECTRICAL CHARACTERISTICS(Circuit of Figure 1, V+ = 15V, VCC = VDD = VSHDN = VSKIP = VS0 = VS1 = 5V, VFB = VCMP = VCMN = VCSP = VCSN = 1.3V, OFS =SUS = GNDS = D0D5 = GND, TA = -

31、40C to +100C, unless otherwise specified.) (Note 5)6MAX8760PARAMETERSYMBOLCONDITIONSMAXUNITSCONTROLLERInput Voltage RangeBattery voltage, V+428VVCC, VDD4.55.5DC Output Voltage Accuracy (Note 2)V+ = 4.5V to 28V,includes load regulation errorDAC codes 1V-13+13mVDAC codes from 0.375V to 1V-20+20OFS Inp

32、ut Range02VOFS GAINAOFSVOUT/VOFS;VOFS = VOFS, VOFS = 0 to 1V-0.131-0.115V/VVOUT/VOFS;VOFS = VOFS - VREF, VOFS = 1V to 2V-0.131-0.115GNDS GainAGNDSVOUT/VGNDS0.941.01V/VTIME Frequency AccuracyfTIME1000kHz nominal, RTIME = 15k8801120kHz500kHz nominal, RTIME = 30k450550250kHz nominal, RTIME = 60k220280O

33、n-Time (Note 3)tONV+ = 12V,VFB = VCCI = 1.2VTON = GND (550kHz)150210nsTON = REF (300kHz)315395TON = open (200kHz)470580TON = VCC (100kHz)9101150Minimum Off-Time (Note 3)tOFF(MIN)TON = GND380nsTON = VCC, open, or REF490PARAMETERSYMBOLCONDITIONSMYPMAXUNITSD0D5 Logic Input Low Voltage0.8VD0D5 Inpurrent

34、D0D5-2+2AFour-Level Input Logic LevelsTON, S0 and S1HighVCC - 0.4VOpen3.153.85REF1.652.35Low0.4Four-Level InpurrentTON, S0 and S1 forced to GND or VCC-3+3AELECTRICAL CHARACTERISTICS (continued)(Circuit of Figure 1, V+ = 15V, VCC = VDD = VSHDN = VSKIP = VS0 = VS1 = 5V, VFB = VCMP = VCMN = VCSP = VCSN

35、 = 1.3V, OFS =SUS = GNDS = D0D5 = GND, TA = -40C to +100C, unless otherwise specified.) (Note 5) 7MAX8760PARAMETERSYMBOLCONDITIONSMAXUNITSBIAS AND REFERENCEQuiescent Supply Current (VCC)ICCMeasured at VCC, FB forced above the regulation po , OAIN- = FB, VOAIN+ = 1.3V3.2mAQuiescent Supply Current (VD

36、D)IDDMeasured at VDD, FB forced above the regulation po20AQuiescent Battery Supply Current (V+)IV+Measured at V+50AShutdown Supply Current (VCC)Measured at VCC, SHDN = GND20AShutdown Supply Current (VDD)Measured at VDD, SHDN = GND20AShutdown Battery Supply Current (V+)Measured at V+, SHDN = GND, VCC

37、 = VDD = 0V or 5V20AReference VoltageVREFVCC = 4.5V to 5.5V, IREF = 01.9852.015VFAULT PROTECTIONOutput Undervoltage Protection ThresholdVUVPMeasured at FB with respect to unloaded output voltage6773%VROK ThresholdMeasured at FB with respect to unloaded output voltageLower threshold (undervoltage)-13

38、-7%Upper threshold (overvoltage),SKIP = VCC+7+13VROK Startup DelayMeasured from the time when FB reaches the voltage set by the DAC code after startup3msVCC Undervoltage Lockout ThresholdVUVLO(VCC)Rising edge, hysteresis = 90mV, disabled below this level3.904.45VCURRENT LIMIT AND BALANCECurrent-Limi

39、t Threshold Voltage (itive, Default)VLIMITCMP - CMN, CSP - CSN; ILIM = VCC2733mVCurrent-Limit Threshold Voltage (itive, Adjustable)VLIMITCMP - CMN, CSP - CSNVILIM = 0.2V713mVVILIM = 1.5V7278Current-Limit Threshold Voltage (Negative)VLIMIT(NEG)CMP - CMN, CSP - CSN; ILIM = VCC,SKIP = VCC-30-42mVCurren

40、t-Balance OffsetVOS(IBAL)(VCMP - VCMN) - (VCSP - VCSN); ICCI = 0,-20mV (VCMP - VCMN) 20mV, 1.0V VCCI 2.0V-3+3mVGATE DRIVERSDH_ Gate-Driver On-RON(DH)BST_ - LX_ forced to 5V4.5ELECTRICAL CHARACTERISTICS (continued)(Circuit of Figure 1, V+ = 15V, VCC = VDD = VSHDN = VSKIP = VS0 = VS1 = 5V, VFB = VCMP

41、= VCMN = VCSP = VCSN = 1.3V, OFS =SUS = GNDS = D0D5 = GND, TA = -40C to +100C, unless otherwise specified.) (Note 5)PARAMETERSYMBOLCONDITIONSMAXUNITSHigh s e (pullup)4.5DL_ Gate-Driver On-RON(DL)Low start (pulldown)2VOLTAGE-ITIONINGLIFIERInput Offset VoltageVOS-2.0+2.0mVCommon-Mode Input Voltage Ran

42、geVCMGuaranteed by CMRR test02.5VVCC - VFBH300|VOAIN+ - VOAIN-| 10mV,RL = 1k to VCC/2Output Voltage SwingmVVFBL200LOGIC AND I/OSHDN Input High VoltageVIH0.8VSHDN Input Low VoltageVIL0.4VHigh2.7Tri-Level Input Logic LevelS, SKIPREF1.22.3VLow0.8D0D5 Logic Input High Voltage1.6VD0D5 Logic Input Low Vol

43、tage0.8VVCC - 0.4HighOpen3.153.85Four-Level Input Logic LevelsTON, S0 and S1VREF1.652.35Low0.4Note 2: DC output accuracy specifications refer to the trip level of the error (0.5%) when transitioning from continuous conduction to no load.lifier. When pulse skip, the output slightly risesNote 3: On-ti

44、me and minimum off-time specifications are measured from 50% to 50% at the DHM and DHS pins, with LX_ forced toGND, BST_ forced to 5V, and a 500capacitor from DH_ to LX_ to simulate external MOSFET gate capacitance. Actual in-circuit times may be different due to MOSFET switching speeds.Note 4: The

45、output fault-bling time is measured from the time when FB reaches the regulation voltage set by the DAC code.During normal operation (SUS = GND), the regulation voltage is set by the VID DAC inputs (D0D5). During suspend mode (SUS = REF or high), the regulation voltage is set by the suspend DAC inpu

46、ts (S0 and S1).Note 5: Specifications to TA = -40C and +100C are guaranteed by design and are not production tested.8MAX8760典型工作特性(Circuit of Figure 1, VIN = 12V, VCC = VDD = 5V, SHDN = SKIP = VCC, D0D5 set for 1.5V (SUS = GND), S0 and S1 set for 1V (SUS = VCC), OFS = GND, TA = +25C, unless otherwis

47、e specified.)OUTPUT VOLTAGE vs. LOAD CURRENT (VOUT = 1.30V)EFFICIENCY vs. LOAD CURRENT (VOUT = 1.30V)OUTPUT VOLTAGE vs. LOAD CURRENT (VOUT = 1.00V)1 321001 041 021 30901 001 280.98801 260.96VIN = 20V1 24700.941 22VIN = 7V0.92VIN = 12VSKIP = REF SKIP = VCC10601 200.901.18500.8801020LOAD CURRENT (A)30

48、400 01110001020LOAD CURRENT (A)3040LOAD CURRENT (A)EFFICIENCY vs. LOAD CURRENT (VOUT = 1.00V)OUTPUT VOLTAGE vs. LOAD CURRENT (VOUT = 0.80V)EFFICIENCY vs. LOAD CURRENT (VOUT = 0.80V)1000.84100VIN = 7V900.8290800.8080700.7870VIN = 20VVIN = 20V VIN = 12VSKIP = REFSKIP = VCC10VIN = 7V600.7660SKIP = REF

49、SKIP = GND500.74500 0111000510LOAD CURRENT (A)15200.01110100LOAD CURRENT (A)LOAD CURRENT (A)SWITCHING FREQUENCY vs. LOAD CURRENTNO-LOAD SUPPLY CURRENTvs. INPUT VOLTAGE (FORCED-MODE)NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE (PULSE SKIP)40015030 SKIP = VCCSKIP = REF25 120300ICC + IDD20 FORCED-(SKIP = V

50、CC)90ICC + IDD520060SKIP MODE (SKIP = REF)10030IINVOUT = 1V (NO LOAD)IIN00001020LOAD CURRENT (A)30400510152025300510INPUT VOLTAGE (V)30INPUT VOLTAGE (V) 9MAX8760EFFICIENCY (%)OUTPUT VOLTAGE (V)SWITCHING FREQUENCY (kHz)MAX8760 toc07MAX8760 toc04MAX8760 toc01OUTPUT VOLTAGE (V)SUPPLY CURRENT (mA)EFFICI

51、ENCY (%)MAX8760 toc05MAX8760 toc08MAX8760 toc02EFFICIENCY (%)SUPPLY CURRENT (mA)OUTPUT VOLTAGE (V)MAX8760 toc06MAX8760 toc09MAX8760 toc03VIN = 12VSKIP = REFNDVIN = 12VSKIP = VCC OR REFVIN = 12VSKIP = VCC OR REF典型工作特性 (续)(Circuit of Figure 1, VIN = 12V, VCC = VDD = 5V, SHDN = SKIP = VCC, D0D5 set for

52、 1.5V (SUS = GND), S0 and S1 set for 1V (SUS = VCC), OFS = GND, TA = +25C, unless otherwise specified.)OUTPUT OFFSET VOLTAGE vs. OFS VOLTAGECURRENT-BALANCE OFFSET VOLTAGE DISTRIBUTIONREFERENCE VOLTAGE DISTRIBUTION1505050SLE SIZE = 100SLE SIZE = 100100404050303002020-501010-100 UNDEFINED REGION-15000

53、-2.50-1.2502.5000.51.0OFS VOLTAGE (V)1.520 1.251.9901.9952 0002.0052.010OFFSET VOLTAGE (mV)REFERENCE VOLTAGE (V)CURRENT-LIMIT THRESHOLD DISTRIBUTIONVOLTAGE-ITIONINGLIFIERGAIN AND PHASE vs. FREQUENCYMAX8760 toc14 180506050403020100-10-20-30-40VILIM = 0.20VSLE SIZE = 10014440GAIN3020-36-72-108-180 PHA

54、SE 1009510.09.010.511 00.11101001k10kCURRENT LIMIT (mV)FREQUENCY (Hz)VPSLIFIER OFFSET VOLTAGEINDUCTOR CURRENT DIFFERENCE vs. LOAD CURRENTvs. COMMON-MODE VOLTAGE18016014012010080604020010 0.8SKIP = REF06 SKIP = VCC 0.4 VPS LIFIER DISABLED 02 RSENSE = 1m 001234510020304050COMMON-MODE VOLTAGE (V)LOAD C

55、URRENT (A)10MAX8760OUTPUT OFFSET VOLTAGE (mV)SLE PERCENTAGE (%)OFFSET VOLTAGE (V)MAX8760 toc10SLE PERCENTAGE (%)MAX8760 toc15MAX8760 toc13IL(CS) - IL(CM) (A)GAIN (dB)MAX8760 toc11SLE PERCENTAGE (%)MAX8760 toc16PHASE (DEGREES)MAX8760 toc12典型工作特性 (续)(Circuit of Figure 1, VIN = 12V, VCC = VDD = 5V, SHD

56、N = SKIP = VCC, D0D5 set for 1.5V (SUS = GND), S0 and S1 set for 1V (SUS = VCC), OFS = GND, TA = +25C, unless otherwise specified.)ER-UP SEQUENCESOFT-STARTSOFT-SHUTDOWN WAVEFORMSMAX8760 toc19MAX8760 toc17MAX8760 toc183 3V03.3V1.46V3 3V0AABA01.46VBB0C0C10AC0D0D10A0ED02ms/divD. IL1, 10A/div200s/div200

57、s/divSHDN, 5V/div1.5V OUTPUT, 500mV/divIL1, 10A/divIL2, 10A/div RLOAD = 75mSHDN, 5V/divVROK, 5V/divSHDN, 5V/div1.5V OUTPUT, 500mV/divIL1, 10A/divIL2, 10A/div RLOAD = 75mE. IL2, 10A/divC. 1.5V OUTPUT, 1V/divRLOAD = 75m1.30V LOAD TRANSIENT (10A TO 30A LOAD)MAX8760 toc20OFFSET TRANSITIONMAX8760 toc2115

58、A5A0.2VA0A15A1 5VB5AB1.48AC5AC1.44V5AD20s/div20s/divVOFS = 0 TO 200mV, 0 2V/divVOUT = 1.500V TO 1.475V, 20mV/divIL1, 10A/divIL2, 10A/div 10A LOADIL1, 10A/divIL2, 10A/divOUTPUT VOLTAGE, 20mV/div 11MAX8760典型工作特性 (续)(Circuit of Figure 1, VIN = 12V, VCC = VDD = 5V, SHDN = SKIP = VCC, D0D5 set for 1.5V (

59、SUS = GND), S0 and S1 set for 1V (SUS = VCC), OFS = GND, TA = +25C, unless otherwise specified.)SUSPEND TRANSITION (DUAL-PHASEOPERATION)MAX8760 toc22SUSPEND TRANSITION (SINGLE-PHASE SKIP OPERATION)MAX8760 toc233 3V03.3V0AA1 5V1.5VBB1 0V1.0V10A2.5ACC010A2.5ADD040s/div100s/divSUS, 5V/divVOUT = 1 5V TO

60、 1 0V, 0.5V/divIL1, 10A/divIL2, 10A/div 5A LOAD, SKIP = VCC, RTIME = 64.9kSUS, 5V/divVOUT = 1.5V TO 1.0V, 0 5V/divIL1, 10A/divD. IL2, 10A/div 5A LOAD, COUT = (4) 680F, SKIP = SUS, RTIME = 64.9kSINGLE-PHASE SKIP TO DUAL-PHASETRANSITIONMAX8760 toc24DUAL-PHASE SKIP TO DUAL-PHASETRANSITIONMAX8760 toc255