ZHCS936A May   2012  – February 2019 TPS53014

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions
    3. 6.3 Thermal Information
    4. 6.4 Electrical Characteristics
    5. 6.5 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 PWM Operation
      2. 7.3.2 Auto-Skip Eco-Mode Control
      3. 7.3.3 Drivers
      4. 7.3.4 5-Volt Regulator
      5. 7.3.5 Soft Start and Pre-Biased Soft Start
      6. 7.3.6 Overcurrent Protection
      7. 7.3.7 Over/Undervoltage Protection
      8. 7.3.8 UVLO Protection
      9. 7.3.9 Thermal Shutdown
  8. 8 Application and Implementation
    1. 8.1 Typical Application
      1. 8.1.1 Detailed Design Procedure
        1. 8.1.1.1 Component Selection
          1. 8.1.1.1.1 Inductor
          2. 8.1.1.1.2 Output Capacitor
          3. 8.1.1.1.3 Input Capacitor
          4. 8.1.1.1.4 Bootstrap Capacitor
          5. 8.1.1.1.5 VREG5 Capacitor
          6. 8.1.1.1.6 Choose Output Voltage Resistors
  9. 9 Layout
    1. 9.1 Layout Guidelines
  10. 10器件和文档支持
    1. 10.1 接收文档更新通知
    2. 10.2 社区资源
    3. 10.3 商标
    4. 10.4 静电放电警告
    5. 10.5 术语表

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

6.4 Electrical Characteristics

over recommended free-air temperature range, VIN = 12 V (unless otherwise noted)
PARAMETER CONDITIONS MIN TYP MAX UNIT
SUPPLY CURRENT
IIN VIN Supply current VIN current, TA = 25°C, EN = 5V, VVFB = 0.8V,
VSW = 0 V		 660 μA
IVINSDN VIN Shutdown current VIN current, TA = 25°C, No Load , VEN = 0V, VREG5 = OFF 6.0 μA
VFB VOLTAGE and DISCHARGE RESISTANCE
VVFBTHL VFB Threshold voltage TA = 25°C , VOUT = 1.05 V 765.3 773.0 780.7 mV
TCVFB VFB Temperature coefficient Relative to TA = 25°C(1) -140 140 ppm/°C
IVFB VFB Input current VFB = 0.8V, TA = 25°C -150 -10 100 nA
VREG5 OUTPUT
VVREG5 VREG5 Output voltage TA=25°C, 6 V < VIN < 28 V, IVREG5 = 5 mA 5.1 V
IVREG5 Output current VIN = 5.5V, VVREG5 = 4.0V, TA = 25°C 120 mA
OUTPUT: N-CHANNEL MOSFET GATE DRIVERS
RDRVH DRVH resistance Source, IDRVH = –50mA, TA = 25°C 3.2 4.7 Ω
Sink, IDRVH = 50mA, TA = 25°C 1.4 2.4
RDRVL DRVL resistance Source, IDRVL = –50mA, TA = 25°C 6.9 8.2 Ω
Sink, IDRVL = 50mA, TA = 25°C 0.8 1.7
TD Dead time DRVH-low to DRVL-on(1) 15 ns
DRVL-low to DRVH-on(1) 20
INTERNAL BOOST DIODE
VFBST Forward voltage VVREG5-VBST, IF = 10mA, TA = 25°C 0.1 0.2 V
SOFT START
Issc SS Charge current VSS = 0V , TA = 25°C -7.36 -6.4 -5.44 μA
Issd SS Discharge current VSS = 0.5V , TA = 25°C 4.5 5.0 mA
TCISSC ISSC Temperature coefficient Relative to TA = 25°C -4.5 4.5 nA/°C
UVLO
VUVVREG5 VREG5 UVLO threshold VREG5 Rising 4.0 V
Hysteresis 0.3
LOGIC THRESHOLD
VENH EN H-level threshold voltage 1.6 V
VENL EN L-level threshold voltage 0.5 V
REN EN pin resistance to GND VEN = 12 V 225 450 900 kΩ
CURRENT SENSE
ITRIP TRIP Source current VDRVL = 0.1V, TA = 25°C 14.3 15 15.8 μA
TCVTRIP VTRIP Temperature coefficient Relative to TA = 25°C 4000 ppm/°C
VOCL Current limit threshold RTRIP = 75kΩ, TA = 25°C 234 336 424 mV
RTRIP = 27kΩ, TA = 25°C 121 174 220
RTRIP = 6.8kΩ, TA = 25°C 35 50 63
ON-TIME TIMER CONTROL
TON On time VOUT = 1.05 V(1) 250 ns
TOFF(MIN) Minimum off time VIN = 4.5 V, VVFB = 0.7 V, TA = 25°C 230 ns
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
VOVP Output OVP trip threshold OVP detect voltage 115% 120% 125%
TOVPDEL Output OVP propagation delay 10 μs
VUVP Output UVP trip threshold UVP detect voltage 63% 68% 73%
TUVPDEL Output UVP delay 1 ms
TUVPEN Output UVP enable delay UVP enable delay / soft start time X1.4 X1.7 X2.0
THERMAL SHUTDOWN
TSDN Thermal shutdown threshold Shutdown temperature(1) 150 °C
Hysteresis(1) 25
(1) Ensured by design. Not production tested.