SLVSDX7D January   2019  – July 2021 TPS61022

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  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 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 Undervoltage Lockout
      2. 7.3.2 Enable and Soft Start
      3. 7.3.3 Switching Frequency
      4. 7.3.4 Current Limit Operation
      5. 7.3.5 Pass-Through Operation
      6. 7.3.6 Overvoltage Protection
      7. 7.3.7 Output Short-to-Ground Protection
      8. 7.3.8 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Forced PWM Mode
      2. 7.4.2 Power-Save Mode
  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 Setting the Output Voltage
        2. 8.2.2.2 Inductor Selection
        3. 8.2.2.3 Output Capacitor Selection
        4. 8.2.2.4 Loop Stability, Feedforward Capacitor Selection
        5. 8.2.2.5 Input Capacitor Selection
      3. 8.2.3 Application Curves
    3. 8.3 System Examples
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6.5 Electrical Characteristics

TJ = –40°C to 125°C, VIN = 3.6 V and VOUT = 5.0 V. Typical values are at TJ = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER SUPPLY
VIN Input voltage range 0.5 5.5 V
VIN_UVLO Under-voltage lockout threshold VIN rising at VOUT = 0 V 1.7 1.8 V
VIN rising at VOUT > 2.2 V, TJ up to 85°C 1.3 1.6 V
VIN falling 0.4 0.5 V
IQ Quiescent current into VIN pin IC enabled, No load, No switching VIN = 1.8 V to 5.5 V, VFB = VREF + 0.1 V, TJ up to 85°C 0.9 3.0 µA
Quiescent current into VOUT pin IC enabled, No load, No switching VOUT = 2.2 V to 5.5 V, VFB = VREF + 0.1 V, TJ up to 85°C 27 32 µA
ISD Shutdown current into VIN and SW pin IC disabled, VIN = 1.8 V to 5.0 V, TJ = 25°C 0.25 0.6 µA
IC disabled, VIN = 1.8 V to 5.0 V, TJ up to 85°C 0.25 3.5 µA
OUTPUT
VOUT Output voltage setting range 2.2 5.5 V
VREF Reference voltage at the FB pin PWM mode 585 600 615 mV
PFM mode 590 606 mV
VOVP Output over-voltage protection threshold VOUT rising 5.5 5.7 6.0 V
VOVP_HYS Over-voltage protection hysteresis 0.1 V
IFB_LKG Leakage current at FB pin 20 nA
IVOUT_LKG Leakage current into VOUT pin IC disabled, VIN = 0 V, VSW = 0 V, VOUT = 5.5 V,TJ up to 85°C 1 3 µA
tSS Soft startup time From active EN to VOUT regulation. VIN = 2.5 V, VOUT = 5.0 V, COUT_EFF = 30μF, IOUT = 0 700 μs
POWER SWITCH
RDS(on) High-side MOSFET on resistance VOUT = 5.0 V 18 mΩ
Low-side MOSFET on resistance VOUT = 5.0 V 12 mΩ
fSW Switching frequency VIN = 3.6 V, VOUT = 5.0 V, PWM mode 1.0 MHz
VIN = 1.0 V, VOUT = 5.0 V, PWM mode 0.6 MHz
tOFF_min Minimum off time 80 150 ns
ILIM_SW Valley current limit VIN = 3.6 V, VOUT = 5.0 V 6.5 8 10 A
ILIM_CHG Pre-charge current VIN = 1.8 - 4.8 V, VOUT < 0.4 V 400 700 mA
ILIM_CHG_max Maximum pre-charge current VIN = 2.4 V, VOUT > 0.4 V 2 2.4 A
LOGIC INTERFACE
VEN_H EN logic high threshold VIN > 1.8 V or VOUT > 2.2 V 1.2 V
VEN_L EN logic low threshold VIN > 1.8 V or VOUT > 2.2 V 0.35 0.42 0.45
VMODE_H MODE logic high threshold VIN > 1.8 V or VOUT > 2.2 V 1.2 V
VMODE_L MODE logic low threshold VIN > 1.8 V or VOUT > 2.2 V 0.4
PROTECTION
TSD Thermal shutdown threshold TJ rising 150 °C
TSD_HYS Thermal shutdown hysteresis TJ falling below TSD 20 °C