ZHCSKG6 November   2019 TPS61391

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用电路
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Recommended Operating Conditions
    2. 6.2 Absolute Maximum Ratings
    3. 6.3 ESD Ratings
    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 Disable
      3. 7.3.3 Current Mirror
      4. 7.3.4 High Optical Power Protection
    4. 7.4 Device Functional Mode
      1. 7.4.1 PFM Operation
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirement
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1  Selecting the Rectifier Diode
        2. 8.2.2.2  Selecting the Inductor
        3. 8.2.2.3  Selecting Output Capacitor
        4. 8.2.2.4  Selecting Filter Resistor and Capacitor
        5. 8.2.2.5  Setting the Output Voltage
        6. 8.2.2.6  Selecting Capacitor for CAP pin
        7. 8.2.2.7  Selecting Capacitor for AVCC pin
        8. 8.2.2.8  Selecting Capacitor for APD pin
        9. 8.2.2.9  Selecting the Resistors of MON1 or MON2
        10. 8.2.2.10 Selecting the Capacitors of MON1 or MON2
        11. 8.2.2.11 Selecting the Short Current Limit
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 文档支持
      1. 11.1.1 相关文档
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 Glossary
  12. 12机械、封装和可订购信息

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

Over recommended free-air temperature range, VIN = 3.3 V, AVCC = 3.3 V, VMONIN = 20 V to 85 V, TJ = - 40°C to 125°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER SUPPLY
VIN Input voltage range 2.5 5.5 V
VUVLO Under voltage lock out VIN falling 2.4 2.5 V
Under voltage lock out hysteresis VUVLO rising - VUVLO falling 200 mV
IQ_IN Quiescent current into VIN pin VIN = 3.3 V, VFB =VREF + 0.1 V, No switching, -40 °C ≤ TJ ≤ 85 °C 110 140 uA
IQ_OUT Quiescent current into VOUT pin VIN = 3.3 V, VFB =VREF + 0.1 V,No switching, -40 °C ≤ TJ ≤ 85 °C 340 430 uA
IQ_VCC Quiescent current into AVCC pin AVCC = 3.3 V  -40 °C ≤ TJ ≤ 85 °C 140 180 uA
ISD Shutdown current into VIN pin 2.5 V ≤ VIN ≤ 5.5 V, EN = 0, -40 °C ≤ TJ ≤ 85 °C 1 uA
Shutdown current into VOUT pin  EN = 0, -40 °C ≤ TJ ≤ 85 °C 1 uA
Shutdown current into AVCC pin AVCC = 3.3 V, EN = 0, -40 °C ≤ TJ ≤ 85 °C 1 uA
OUTPUT
VOUT Output voltage range 85 V
VREF Feedback regulation reference voltage VIN = 2.5 V to 5.5 V, TJ = 25 °C 1.188 1.2 1.212 V
VIN = 2.5 V to 5.5 V, -40 °C ≤ TJ ≤ 125 °C 1.182 1.2 1.218 V
IFB Feedback input leakage current 1 25 nA
POWER SWITCH
RDS(on) Low-side FET on resistance 3 V ≤ VIN ≤ 5.5 V 900 1300 mΩ
SWITCHING CHARACTERISTIC
fSW Switching frequency VIN = 3.3 V, VOUT = 60 V 600 700 800 kHz
CURRENT MIRROR
kMON1 4:5 Current mirror gain IAPD = 5 µA to 200 µA 0.76 0.8 0.84
kMON2 1:5 Current mirror gain IAPD = 100 µA to 2 mA 0.19 0.2 0.21
VMON MON1 / MON2 Threshold 380 400 420 mV
VAPD_DRP Current mirror voltage drop IAPD = 1 mA 2.2 2.5 2.8 V
IAPD = 5 µA 2.45 V
IBIAS Current mirror bias current 15 20 25 µA
CURRENT LIMIT
ILIM_SW Peak switching current limit VIN = 3.3 V, VOUT = 60 V 800 1000 1200 mA
ISHORT High optical power current limit RISHORT = 25 kΩ 3.7 4 4.3 mA
RISHORT = 50 kΩ 1.8 2 2.2 mA
CONTROL (EN)
VEN_H EN Logic high threshold 1.2 V
VEN_L EN Logic low threshold 0.4 V
REN EN pull down resistor 800 kΩ
TIMING
tSS Soft start time Ref voltage 0 to 1.2V 4.8 ms
tDELAY Delay time for high optical power protection IAPD = 5 mA, ISHORT = 3 mA 0.5 µs
THERMAL PROTECTION
TSD Thermal shutdown threshold TJ rising 150 °C
TSD_HYS Thermal shutdown hysteresis TJ falling below TSD 20 °C
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