SLUSEG9B July   2022  – July 2022 TPS62A01 , TPS62A01A , TPS62A02 , TPS62A02A

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Power Save Mode
      2. 8.3.2 100% Duty Cycle Low Dropout Operation
      3. 8.3.3 Soft Start
      4. 8.3.4 Switch Current Limit and Short Circuit Protection (HICCUP)
      5. 8.3.5 Undervoltage Lockout
      6. 8.3.6 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Enable and Disable
      2. 8.4.2 Power Good
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Setting the Output Voltage
        2. 9.2.2.2 Output Filter Design
        3. 9.2.2.3 Input and Output Capacitor Selection
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

Electrical Characteristics

TJ = –40°C to +125°C, VIN = 2.5 V to 5.5 V. Typical values are at TJ = 25°C and VIN = 5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY
IQ(VIN) VIN quiescent current TPS62A01; Non-switching, VEN = High, VFB = 610 mV 20 µA
IQ(VIN) VIN quiescent current TPS62A02; Non-switching, VEN = High, VFB = 610 mV 23 µA
ISD(VIN) VIN shutdown supply current VEN = Low 0.01 2 µA
UVLO
VUVLO(R) VIN UVLO rising threshold VIN rising 2.3 2.4 2.5 V
VUVLO(F) VIN UVLO falling threshold VIN falling 2.2 2.3 2.4 V
ENABLE
VEN(R) EN voltage rising threshold EN rising, enable switching 1.2 V
VEN(F) EN voltage falling threshold EN falling, disable switching 0.4 V
VEN(LKG) EN Input leakage current VEN = 5 V 100 nA
REFERENCE VOLTAGE
VFB FB voltage TJ = 0°C to 125°C, PWM mode 594 600 606 mV
VFB FB voltage PWM mode 591 600 609 mV
IFB(LKG) FB input leakage current VFB = 0.6 V 100 nA
SWITCHING FREQUENCY
fSW(FCCM) Switching frequency, FPWM operation VIN = 5 V, VOUT = 1.8 V 2400 kHz
STARTUP
Internal fixed soft-start time From EN = High to VFB = 0.56 V 1 ms
POWER STAGE
RDSON(HS) High-side MOSFET on-resistance TPS62A01, VIN = 5V 180
RDSON(LS) Low-side MOSFET on-resistance TPS62A01, VIN = 5V 120
RDSON(HS) High-side MOSFET on-resistance TPS62A02, VIN = 5V 100
RDSON(LS) Low-side MOSFET on-resistance TPS62A02, VIN = 5V 67
OVERCURRENT PROTECTION
IHS(OC) High-side peak current limit TPS62A01 1.3 1.8 A
ILS(OC) Low-side valley current limit TPS62A01 1.8 A
IHS(OC) High-side peak current limit TPS62A02 2.7 3.4 A
ILS(OC) Low-side valley current limit TPS62A02 4.2 A
ILPEAK(min) Min peak inductor current in PSM 0.4 A
POWER GOOD
VPGTH Power-good threshold PG low, FB falling 93.5%
VPGTH Power-good threshold PG high, FB rising 96%
PG delay falling 35 µs
PG delay rising 10 µs
IPG(LKG) PG pin Leakage current when open drain output is high VPG = 5 V 100 nA
PG pin output low-level voltage IPG = 1 mA 400 mV
OUTPUT DISCHARGE
Output discharge current on SW pin TPS62A01; VIN = 3 V, VOUT = 2.0 V 60 mA
Output discharge current on SW pin TPS62A02; VIN = 3 V, VOUT = 2.0 V 76 mA
THERMAL SHUTDOWN
TJ(SD) Thermal shutdown threshold Temperature rising 170 °C
TJ(HYS) Thermal shutdown hysteresis 20 °C