SLVSF14B September   2019  – August 2020 TPS61023

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  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 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 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
  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
    1. 12.1 Package Option Addendum
    2. 12.2 Tape and Reel Information

Package Options

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

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)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
POWER SUPPLY
VINInput voltage range0.55.5V
VIN_UVLOUnder-voltage lockout thresholdVIN rising1.71.8V
VIN falling0.40.5V
IQQuiescent current into VIN pinIC enabled, No load, No switching VIN = 1.8 V to 5.5 V, VFB = VREF + 0.1 V, TJ up to 85°C0.93.0µA
Quiescent current into VOUT pinIC enabled, No load, No switching VOUT = 2.2 V to 5.5 V, VFB = VREF + 0.1 V, TJ up to 85°C2030µA
ISDShutdown current into VIN and SW pinIC disabled, VIN = VSW = 3.6 V, TJ = 25°C0.10.2µA
OUTPUT
VOUTOutput voltage setting range2.25.5V
VREFReference voltage at the FB pinPWM mode580595610mV
PFM mode585601mV
VOVPOutput over-voltage protection thresholdVOUT rising5.55.76.0V
VOVP_HYSOver-voltage protection hysteresis0.1V
IFB_LKGLeakage current at FB pinTJ = 25°C420nA
TJ = 125°C6nA
IVOUT_LKGLeakage current into VOUT pinIC disabled, VIN = 0 V, VSW = 0 V, VOUT = 5.5 V, TJ = 25°C13µA
tSSSoft startup timeFrom active EN to VOUT regulation. VIN = 2.5 V, VOUT = 5.0 V, COUT_EFF = 10μF, IOUT = 0700μs
POWER SWITCH
RDS(on)High-side MOSFET on resistanceVOUT = 5.0 V68mΩ
Low-side MOSFET on resistanceVOUT = 5.0 V47mΩ
fSWSwitching frequencyVIN = 3.6 V, VOUT = 5.0 V, PWM mode1.0MHz
VIN = 1.0 V, VOUT = 5.0 V, PWM mode0.5MHz
tON_minMinimum on time4096130ns
tOFF_minMinimum off time80120ns
ILIM_SWValley current limitVIN = 3.6 V, VOUT = 5.0 V2.73.7A
ILIM_CHGPre-charge currentVIN = 1.8 - 5.5 V, VOUT < 0.4 V200350mA
VIN = 2.4 V, VOUT = 2.15 V7501200mA
LOGIC INTERFACE
VEN_HEN logic high thresholdVIN > 1.8 V or VOUT > 2.2 V1.2V
VEN_LEN logic low thresholdVIN > 1.8 V or VOUT > 2.2 V0.350.420.45
PROTECTION
TSDThermal shutdown thresholdTJ rising150°C
TSD_HYSThermal shutdown hysteresisTJ falling below TSD20°C