ZHCSP20 September   2022 TLV61070A

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Undervoltage Lockout
      2. 7.3.2 Enable and Soft Start
      3. 7.3.3 Switching Frequency
      4. 7.3.4 Current Limit Operation
      5. 7.3.5 Pass-Through Operation
      6. 7.3.6 Overvoltage Protection
      7. 7.3.7 Output Short-to-Ground Protection
      8. 7.3.8 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 PWM Mode
      2. 7.4.2 Power Save Mode
  8. 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 Setting the Output Voltage
        2. 8.2.2.2 Inductor Selection
        3. 8.2.2.3 Output Capacitor Selection
        4. 8.2.2.4 Loop Stability, Feedforward Capacitor Selection
        5. 8.2.2.5 Input Capacitor Selection
      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
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 第三方米6体育平台手机版_好二三四免责声明
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 术语表
  10. 10Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.5 Electrical Characteristics

TJ = –40°C to 125°C, VIN = 3.6 V and VOUT = 5.0 V. Typical values are at TJ = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER SUPPLY
VIN Input voltage range 0.5 5.5 V
VIN_UVLO Under-voltage lockout threshold VIN rising 1.0 1.3 V
VIN falling 0.4 0.5 V
IQ Quiescent current into VIN pin IC enabled, No load, No switching VIN = 1.3 V to 5.5 V, VFB = VREF + 0.1 V, TJ up to 85°C 0.9 3.0 µA
Quiescent current into VOUT pin IC enabled, No load, No switching VOUT = 2.2 V to 5.5 V, VFB = VREF + 0.1 V, TJ up to 85°C 20 30 µA
ISD Shutdown current into VIN and SW pin IC disabled, VIN = VSW = 3.6 V, TJ = 25°C 0.1 0.2 µA
OUTPUT
VOUT Output voltage setting range 2.2 5.5 V
VREF Reference voltage at the FB pin PWM mode 485 500 515 mV
PFM mode 505 mV
VOVP Output over-voltage protection threshold VOUT rising 5.5 5.7 6.0 V
VOVP_HYS Over-voltage protection hysteresis 0.1 V
IFB_LKG Leakage current at FB pin 4 50 nA
IVOUT_LKG Leakage current into VOUT pin IC disabled, VIN = 0 V, VSW = 0 V, VOUT = 5.5 V, TJ = 25°C 1 3 µA
tSS Soft startup time From active EN to VOUT regulation. VIN = 2.5 V, VOUT = 5.0 V, COUT_EFF = 10μF, IOUT = 0 750 μs
POWER SWITCH
RDS(on) High-side MOSFET on resistance VOUT = 5.0 V 89 mohm
Low-side MOSFET on resistance VOUT = 5.0 V 69 mohm
fSW Switching frequency VIN = 3.6 V, VOUT = 5.0 V, PWM mode 1.0 MHz
VIN = 1.0 V, VOUT = 5.0 V, PWM mode 0.55 MHz
tON_min Minimum on time 40 96 130 ns
tOFF_min Minimum off time 80 120 ns
ILIM_SW Valley current limit VIN = 3.6 V, VOUT = 5.0 V,TJ = 25°C 2.00 2.45 A
ILIM_SW Valley current limit VIN = 3.6 V, VOUT = 5.0 V,TJ = –40°C to 125°C 1.80 2.45 A
ILIM_CHG Pre-charge current VIN = 1.3 - 5.5 V, VOUT < 0.4 V 100 185 mA
VIN = 2.4 V, VOUT = 2.15 V 200 385 mA
LOGIC INTERFACE
VEN_H EN logic high threshold VIN > 1.3 V or VOUT > 2.2 V 1.2 V
VEN_L EN logic low threshold VIN > 1.3 V or VOUT > 2.2 V 0.35 0.42 0.45
PROTECTION
TSD Thermal shutdown threshold TJ rising 150 °C
TSD_HYS Thermal shutdown hysteresis TJ falling below TSD 20 °C
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