ZHCSA32C JULY   2012  – April 2019 TPS53015

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化应用
  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 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 Drivers
      2. 7.3.2 5-Volt Regulator
      3. 7.3.3 Soft-Start and Pre-biased Soft-Start Time
      4. 7.3.4 Overcurrent Protection
      5. 7.3.5 Overvoltage and Undervoltage Protection
      6. 7.3.6 UVLO Protection
      7. 7.3.7 Thermal Shutdown
      8. 7.3.8 Power Good
    4. 7.4 Device Functional Modes
      1. 7.4.1 PWM Operation
      2. 7.4.2 Auto-skip Eco-Mode Control
  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 Determine the Inductance Value
        2. 8.2.2.2 Output Capacitor
        3. 8.2.2.3 Input Capacitor
        4. 8.2.2.4 Bootstrap Capacitor
        5. 8.2.2.5 VREG5 Capacitor
        6. 8.2.2.6 Choose Output Voltage Resistors
      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 商标
    2. 11.2 静电放电警告
    3. 11.3 术语表
  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 operating free-air temperature range, VIN = 12 V(unless otherwise noted)
PARAMETER CONDITIONS MIN TYP MAX UNIT
SUPPLY CURRENT
IIN Supply current VIN current, EN = 5 V, VVFB = 0.8 V, VSW = 0 V,
TA = 25°C		 660 μA
IVINSDN Shutdown current VIN current, TA = 25°C, No Load , VEN = 0V, VREG5 = OFF 6.0 μA
VFB VOLTAGE and DISCHARGE RESISTANCE
VVFBTHL Threshold voltage VOUT = 1.05 V, TA = 25°C 765.3 773.0 780.7 mV
TCVFB Temperature coefficient (1) TA = 25°C –140 140 ppm/°C
IVFB Input current VFB = 0.8V, TA = 25°C –150 -10 100 nA
VREG5 OUTPUT
VVREG5 Output voltage TA=25°C, 6 V < VIN < 28 V, IVREG5 = 5 mA 5.1 V
IVREG5 Output current VVIN = 5.5 V, VVREG5 = 4.0 V, TA = 25°C 120 mA
OUTPUT: N-CHANNEL MOSFET GATE DRIVERS
RDRVH Resistance Source, IDRVH = –50 mA, TA = 25°C 3.2 4.7 Ω
Sink, IDRVH = 50 mA, TA = 25°C 1.4 2.4
RDRVL Resistance Source, IDRVL = –50 mA, TA = 25°C 6.9 8.2 Ω
Sink, IDRVL = 50 mA, TA = 25°C 0.8 1.7
tD Dead-time(1) DRVH-low to DRVL-on 15 ns
DRVL-low to DRVH-on 20
INTERNAL BOOST DIODE
VFBST Forward voltage VVREG5-VBST, IF = 10 mA, TA = 25°C 0.1 0.2 V
SOFT-START TIME
tss Internal soft-start time 1.4 ms
POWER GOOD
VPGTH PGOOD threshold PGOOD LOW 84 %
PGOOD HIGH 116 %
IPG PGOOD sink current VPG = 0.5 V 5 mA
tPGDLY PGOOD delay time Delay for PGOOD in 1.2 ms
Delay for PGOOD out 2 µs
tPGCOMPSS PGODD comparator start-up delay PGOOD comparator wake up delay 2.3 ms
UVLO
VUVVREG5 VREG5 UVLO threshold VREG5 Rising 4.0 V
Hysteresis 0.3
LOGIC THRESHOLD
VENH High-level threshold voltage 1.6 V
VENL Low-level threshold voltage 0.5 V
REN EN pin resistance to GND VEN = 12 V 225 450 900 kΩ
CURRENT SENSE
ITRIP Source current VDRVL = 0.1 V, 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 = 75 kΩ, TA = 25°C 234 336 424 mV
RTRIP = 27 kΩ, TA = 25°C 121 174 220
RTRIP = 6.8 kΩ, TA = 25°C 35 50 63
ON-TIME TIMER CONTROL
tON On-time(1) VOUT = 1.05 V 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 1.7 2.2 2.7 ms
THERMAL SHUTDOWN
TSDN Thermal shutdown threshold Shutdown temperature(1) 150 °C
Hysteresis(1) 25
(1) Ensured by design. Not production tested.