SLVSD90A December   2015  – April 2024 TPS563201 , TPS563208

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Adaptive On-Time Control and PWM Operation
      2. 6.3.2 Pulse Skip Control (TPS563201)
      3. 6.3.3 Soft Start and Pre-Biased Soft Start
      4. 6.3.4 Current Protection
      5. 6.3.5 Undervoltage Lockout (UVLO) Protection
      6. 6.3.6 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Eco-mode Operation
      3. 6.4.3 Standby Operation
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Custom Design with WEBENCH® Tools
        2. 7.2.2.2 Output Voltage Resistors Selection
        3. 7.2.2.3 Output Filter Selection
        4. 7.2.2.4 Input Capacitor Selection
        5. 7.2.2.5 Bootstrap Capacitor Selection
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Custom Design with WEBENCH® Tools
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Electrical Characteristics

TJ = –40°C to 125°C, VIN = 12 V (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
SUPPLY CURRENT
IVINOperating – non-switching supply currentVIN current, EN = 5 V, VFB = 0.9 VTPS563201120

200

µA
TPS563208

350

500
IVINSDNShutdown supply currentVIN current, EN = 0 V820µA
LOGIC THRESHOLD
VENHEN high-level input voltage1.6V
VENLEN low-level input voltage0.8V
RENEN pin resistance to GNDVEN = 1.5 V

600

1500

2400kΩ

IEN

EN pulldown current

VEN = 1.5 V

1

µA
VFB VOLTAGE AND DISCHARGE RESISTANCE
VFBTHVFB threshold voltage (1)VO = 1.05 V, IO = 10 mA, Eco-mode operation774mV
VFB threshold voltageVO = 1.05 V, continuous mode operation749768787mV
IVFBVFB input currentVFB = 0.8 V0±0.1µA
MOSFET
RDS(on)hHigh-side switch resistanceTA = 25°C, VBST – SW = 5 V95mΩ
RDS(on)lLow-side switch resistanceTA = 25°C57mΩ
CURRENT LIMIT
IoclCurrent limitDC current, VOUT = 1.05 V, L1 = 1.5 µH3.34.25.1A
THERMAL SHUTDOWN
TSDNThermal shutdown threshold (1)Shutdown temperature172°C
Hysteresis37
ON-TIME TIMER CONTROL
tOFF(MIN)Minimum off timeVFB = 0.5 V220310ns
SOFT START
TssSoft-start timeInternal soft-start time1.0ms
FREQUENCY
FswSwitching frequencyVIN = 12 V, VO = 1.05 V, FCCM mode580kHz
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
VUVPOutput UVP thresholdHiccup detect (H > L)65%
THICCUP_WAITHiccup on time1.2ms
THICCUP_REHiccup time before restart10ms
UVLO
UVLOUVLO thresholdWake up VIN voltage

3.8

4.3V
Shutdown VIN voltage3.33.4
Hysteresis VIN voltage0.4
(1) Not production tested.