ZHCSCL5D january   2014  – may 2023 TPS65262

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Adjusting the Output Voltage
      2. 7.3.2  Enable and Adjusting Undervoltage Lockout
      3. 7.3.3  Soft-Start Time
      4. 7.3.4  Power-Up Sequencing
        1. 7.3.4.1 External Power Sequencing
        2. 7.3.4.2 Automatic Power Sequencing
      5. 7.3.5  V7V Low Dropout Regulator and Bootstrap
      6. 7.3.6  Out-of-Phase Operation
      7. 7.3.7  Output Overvoltage Protection (OVP)
      8. 7.3.8  PSM
      9. 7.3.9  Slope Compensation
      10. 7.3.10 Overcurrent Protection
        1. 7.3.10.1 High-Side MOSFET Overcurrent Protection
        2. 7.3.10.2 Low-Side MOSFET Overcurrent Protection
      11. 7.3.11 Power Good
      12. 7.3.12 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation With VIN < 4.5 V (Minimum VIN)
      2. 7.4.2 Operation With EN Control
      3. 7.4.3 Operation at Light Loads
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Output Inductor Selection
        2. 8.2.2.2 Output Capacitor Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Loop Compensation
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 接收文档更新通知
    2. 9.2 支持资源
    3. 9.3 Trademarks
    4. 9.4 静电放电警告
    5. 9.5 术语表
  11. 10Mechanical, Packaging, and Orderable Information

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订购信息

6.5 Electrical Characteristics

TJ = 25°C, VIN = 12 V, ƒSW = 600 kHz (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
INPUT SUPPLY VOLTAGE
VINInput voltage range4.518V
UVLOVIN undervoltage lockoutVIN rising44.254.5V
VIN falling3.53.754
Hysteresis500mV
IDDSDNShutdown supply currentEN1 = EN2 = EN3 = MODE = LEN1 = LEN2 = 0 V12µA
IDDQ_NSWInput quiescent current without buck1/2/3 switchingEN1 = EN2 = EN3 = 5V, FB1 = FB2 = FB3 = 0.8 V, LEN1 = LEN2 = 0 V790µA
IDDQ_NSW1EN1 = 5 V, EN2 = EN3 = 0 V, FB1 = 0.8 V,
LEN1 = LEN2 = 0 V		340µA
IDDQ_NSW2EN2 = 5 V, EN1 = EN3 = 0V, FB2 = 0.8 V,
LEN1 = LEN2 = 0 V		370µA
IDDQ_NSW3EN3 = 5 V, EN1 = EN2 = 0 V, FB3 = 0.8 V,
LEN1 = LEN2 = 0 V		370µA
IDDQ_LDO1LDO input quiescent currentEN1 = EN2 = EN3 = LEN2 = 0 V, LFB1 = 0.8 V, LEN1 = 5 V190µA
IDDQ_LDO2EN1 = EN2 = EN3 = LEN1 = 0 V, LFB2 = 0.8 V, LEN2 = 5 V190µA
V7VV7V LDO output voltageV7V load current = 0 A6.06.36.6V
IOCP_V7VV7V LDO current limit175mA
FEEDBACK VOLTAGE REFERENCE
VFBFeedback voltageVCOMP = 1.2 V, TJ = 25°C0.5950.60.605V
VCOMP = 1.2 V, TJ = -40°C to 125°C0.5940.60.606V
VLINEREG_BuckLine regulation-DC(1)IOUT1 = 1.5 A, IOUT2 = 1 A,
IOUT3 = 1 A, 5 V < VINx < 18 V		0.002%/V
VLOADREG_BuckLoad regulation-DC(1)VIN = 12 V, IOUTx = (10-100%) × IOUTx_max0.02%/A
BUCK1, BUCK2, BUCK3
VENXHEN1/2/3 high level input voltage1.21.26V
VENXLEN1/2/3 low level input voltage1.11.15V
IENXEN1/2/3 pull-up currentENx = 1 V3.6µA
IENXEN1/2/3 pull-up currentENx = 1.5 V6.6µA
IENhysHysteresis current3µA
ISS1Buck1 soft start charging current4.356µA
TSS2/3Buck2/3 soft start time1ms
TON_MINMinimum on time80100ns
Gm_EA1/2/3Error amplifier trans-conductance–2 µA < ICOMPX < 2 µA300µS
Gm_PS1/2/3COMP voltage to inductor current Gm(1)ILX = 0.5 A7.4A/V
ILIMIT1Buck1 peak inductor current limit4.45.16.06A
ILIMITSOURCE1Buck1 low side source current limit4.4A
ILIMITS1Buck1 low side sink current limit1.3A
ILIMIT2/3Buck2/3 peak inductor current limit1.82.43A
ILIMITSOURCE2/3Buck2/3 low side source current limit1.75A
ILIMITS2/3Buck2/3 low side sink current limit1A
THiccup_waitOC wait time(1)0.5ms
THiccup_reHiccup time before re-start(1)14ms
Rdson_HS1Buck1 High-side switch resistanceVIN1 = 12 V100mΩ
Rdson_LS1Buck1 low-side switch resistanceVIN1 = 12 V65mΩ
Rdson_HS2Buck2 High-side switch resistanceVIN1 = 12 V195mΩ
Rdson_LS2Buck2 low-side switch resistanceVIN1 = 12 V145mΩ
Rdson_HS3Buck3 High-side switch resistanceVIN1 = 12 V195mΩ
Rdson_LS3Buck3 low-side switch resistanceVIN1 = 12 V145mΩ
POWER GOOD, MODE, POWER SEQUENCE
Vth_PGFeedback voltage thresholdFBx undervoltage falling92.5%VREF
FBx undervoltage rising95%
FBx overvoltage rising107.5%
FBx overvoltage falling105%
TDEGLITCH(PG)_FPGOOD falling edge deglitch time0.19ms
TRDEGLITCH(PG)_RPGOOD rising edge deglitch time1ms
IPGPGOOD pin leakage0.05µA
VLOW_PGPGOOD pin low voltageISINK = 1 mA0.4V
VMODEHMODE high level input voltage1.21.26V
VMODELMODE low level input voltage1.11.15V
IMODEMODE pull-up currentMODE = 1 V3.6µA
IMODEMODE pull-up currentMODE = 1.5 V6.6µA
TpsdelayDelay time between bucks at automatic power sequencing mode(1)MODE = 1.5 V1.7ms
LDO1 AND LDO2
VLENXHLEN1, LEN2 high-level input voltage1.21.26V
VLENXLLEN1, LEN2 low-level input voltage1.11.15V
ILENXLEN1, LEN2 pullup currentLENx = 1 V3.6µA
LENx = 1.5 V6.6
VINLDO1LDO input voltage range1.318V
VOUTLDO1LDO output voltage rangeload current = 200 mA, VIN = 12 V15.5V
VLDOFB1LDO voltage referenceload current = 10 mA, VIN = 12 V0.5940.60.606V
Imax_LDO1LDO current limit240330mA
Vdropout1LDO drop out voltageIOUT = 20 mA12mV
IOUT = 200 mA120mV
VLINEREG_LDO1LDO line regulation-DC(1)VOUT = 1.8 V, IOUT = 10 mA, LVIN1 changes from 2 to 18 V0.002%/V
VLOADREG_LDO1LDO load regulation-DC(1)IOUT = 1mA to 200mA0.02%/A
PSRRLDO1Ripple rejection(1)Vin_LDO1 = 12 V, VOUT = 1.8 V, IOUT = 10 mA,
ƒ = 10 kHz		56dB
VINLDO2LDO input voltage range1.318V
VOUTLDO2LDO output voltage rangeload current = 100 mA, VIN = 12 V15.5V
VLDOFB2LDO voltage referenceload current = 10 mA, VIN = 12 V0.5940.60.606V
Imax_LDO2LDO current limit120180mA
Vdropout2LDO drop out voltageIOUT = 10 mA12mV
IOUT = 100 mA120mV
VLINEREG_LDO2LDO line regulation-DC(1)VOUT = 1.8 V, IOUT = 10 mA, LVIN1 changes from 2 to 18 V0.002%/V
VLOADREG_LDO2LDO load regulation-DC(1)IOUT = 1 to 100 mA, VIN = 12 V0.02%/A
PSRRLDO2Ripple rejection(1)Vin_LDO2 = 12 V, VOUT = 1.8 V, IOUT = 10 mA,
ƒ = 10 kHz		56dB
OSCILLATOR
ƒSWSwitching frequency570600630kHz
THERMAL PROTECTION
TTRIP_OTPThermal protection trip point(1)Temperature rising160°C
THYST_OTPHysteresis20°C
(1) Lab validation result.