ZHCSFR5 November   2016 TPS562210A , TPS563210A

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  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 Timing Requirements
    7. 6.7 Typical Characteristics
      1. 6.7.1 TPS562210A Characteristics
      2. 6.7.2 TPS563210A Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 The Adaptive On-Time Control and PWM Operation
      2. 7.3.2 Soft Start and Pre-Biased Soft Start
      3. 7.3.3 Power Good
      4. 7.3.4 Current Protection
      5. 7.3.5 Over Voltage Protection
      6. 7.3.6 UVLO Protection
      7. 7.3.7 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Advanced Eco-Mode™ Control
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Typical Application, TPS562210A
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Output Voltage Resistors Selection
          2. 8.2.1.2.2 Output Filter Selection
          3. 8.2.1.2.3 Input Capacitor Selection
          4. 8.2.1.2.4 Bootstrap capacitor Selection
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Typical Application, TPS563210A
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedures
          1. 8.2.2.2.1 Output Filter Selection
        3. 8.2.2.3 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 器件支持
    2. 11.2 相关链接
    3. 11.3 接收文档更新通知
    4. 11.4 社区资源
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 Glossary
  12. 12机械、封装和可订购信息

6 Specifications

6.1 Absolute Maximum Ratings

TJ = -40°C to 150°C (unless otherwise noted) (1)
MIN MAX UNIT
Input voltage range VIN, EN –0.3 19 V
VBST –0.3 25 V
VBST (10 ns transient) –0.3 27.5 V
VBST (vs SW) –0.3 6.5 V
VFB, PG –0.3 6.5 V
SS –0.3 5.5 V
SW –2 19 V
SW (10 ns transient) –3.5 21 V
Operating junction temperature, TJ –40 150 °C
Storage temperature, Tstg –55 150 °C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

6.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V
Charged device model (CDM), per JEDEC specification JESD22-C101(2) ±500 V
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

6.3 Recommended Operating Conditions

TJ = –40°C to 150°C (unless otherwise noted)
MIN MAX UNIT
VIN Supply input voltage range 4.5 17 V
VI Input voltage range VBST –0.1 23 V
VBST (10 ns transient) –0.1 26 V
VBST(vs SW) –0.1 6 V
EN –0.1 17 V
VFB, pg –0.1 5.5 V
SS –0.1 5 V
SW –1.8 17 V
SW (10 ns transient) –3.5 20 V
TA Operating free-air temperature –40 85 °C

6.4 Thermal Information

THERMAL METRIC(1) TPS562210A TPS563210A UNIT
DDF (8 PINS)
RθJA Junction-to-ambient thermal resistance 106.1 87.0 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 49.1 41.6 °C/W
RθJB Junction-to-board thermal resistance 10.9 14.6 °C/W
ψJT Junction-to-top characterization parameter 8.6 4.7 °C/W
ψJB Junction-to-board characterization parameter 10.8 14.6 °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.

6.5 Electrical Characteristics

over operating free-air temperature range, VIN = 12 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY CURRENT
IVIN Operating – non-switching supply current VIN current, TA = 25°C, EN = 5V, VFB = 0.8 V 190 290 µA
IVINSDN Shutdown supply current VIN current, TA = 25°C, EN = 0 V 3.0 10 µA
LOGIC THRESHOLD
VENH EN high-level input voltage EN 1.6 V
VENL EN low-level input voltage EN 0.6 V
REN EN pin resistance to GND VEN = 12 V 225 450 900 kΩ
VFB VOLTAGE AND DISCHARGE RESISTANCE
VFBTH VFB threshold voltage TPS562210A TA = 25°C, VO = 1.05 V, IO = 10 mA, Eco-mode™ operation 772 mV
VFB threshold voltage TPS562210A and TPS563210A TA = 25°C, VO = 1.05 V 758 765 772 mV
TA = 0°C to 85°C, VO = 1.05 V(1) 753 777
TA = -40°C to 85°C, VO = 1.05 V(1) 751 779
IVFB VFB input current VFB = 0.8 V, TA = 25°C 0 ±0.1 µA
MOSFET
RDS(on)h High side switch resistance TA = 25°C, VBST – SW = 5.5 V, TPS562210A 133 mΩ
TA = 25°C, VBST – SW = 5.5 V, TPS563210A 68
RDS(on)l Low side switch resistance TA = 25°C, TPS562210A 80 mΩ
TA = 25°C, TPS563210A 39
CURRENT LIMIT
IOCL Current limit(1) DC current, VOUT = 1.05 V , L1 = 2.2 µH, TPS562210A 2.5 3.2 4.3 A
DC current, VOUT = 1.05 V , L1 = 1.5 µH, TPS563210A 3.5 4.2 5.3
THERMAL SHUTDOWN
TSDN Thermal shutdown threshold(1) Shutdown temperature 155 °C
Hysteresis 35
SOFT START
ISS SS charge current VSS = 1.2 V 4.2 6 7.8 µA
POWER GOOD
VTHPG PG threshold VFB rising (Good) 85% 90% 95%
VFB falling (Fault) 85%
IPG PG sink current PG = 0.5 V 0.5 1 mA
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
VOVP Output OVP threshold OVP Detect 125%xVfbth
VUVP Output UVP threshold Hiccup detect 65%x
Vfbth
tHiccupOn Hiccup Power On Time Relative to soft start time 1 cycle
tHiccupOff Hiccup Power Off Time Relative to soft start time 7 cycles
UVLO
UVLO UVLO threshold Wake up VIN voltage 3.45 3.75 4.05 V
Hysteresis VIN voltage 0.13 0.32 0.55
(1) Not production tested.

6.6 Timing Requirements

MIN TYP MAX UNIT
ON-TIME TIMER CONTROL
tON On time VIN = 12 V, VO = 1.05 V 150 ns
tOFF(MIN) Minimum off time TA = 25°C, VFB = 0.5 V 260 310 ns

6.7 Typical Characteristics

6.7.1 TPS562210A Characteristics

VIN = 12 V (unless otherwise noted)

TPS562210A TPS563210A C011_SLVSCM6.png
Figure 1. Supply Current vs Junction Temperature
TPS562210A TPS563210A C013_SLVSCM6.png
Figure 3. VFB Voltage vs Junction Temperature
TPS562210A TPS563210A C015_SLVSCM6.png
Figure 5. Efficiency vs Output Current
TPS562210A TPS563210A C017_SLVSCM6.png
Figure 7. Switching Frequency vs Input Voltage
TPS562210A TPS563210A C012_SLVSCM6.png
Figure 2. VIN Shutdown Current vs Junction Temperature
TPS562210A TPS563210A C014_SLVSCM6.png
Figure 4. EN Current vs EN Voltage
TPS562210A TPS563210A C016_SLVSCM6.gif
VI = 5 V
Figure 6. Efficiency vs Output Current
TPS562210A TPS563210A C018_SLVSCM6.png
Figure 8. Switching Frequency vs Output Current

6.7.2 TPS563210A Characteristics

VIN = 12V (unless otherwise noted)

TPS562210A TPS563210A C019_SLVSCM6.png
Figure 9. Supply Current vs Junction Temperature
TPS562210A TPS563210A C021_SLVSCM6.png
Figure 11. VFB Voltage vs Junction Temperature
TPS562210A TPS563210A C023_SLVSCM6.png
Figure 13. Efficiency vs Output Current
TPS562210A TPS563210A C025_SLVSCM6.png
Figure 15. Switching Frequency vs Input Voltage
TPS562210A TPS563210A C020_SLVSCM6.png
Figure 10. VIN Shutdown Current vs Junction Temperature
TPS562210A TPS563210A C022_SLVSCM6.png
Figure 12. EN Current vs EN Voltage
TPS562210A TPS563210A C024_SLVSCM6.png
VI = 5 V
Figure 14. Efficiency vs Output Current
TPS562210A TPS563210A C026_SLVSCM6.png
Figure 16. Switching Frequency vs Output Current
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