SLVS992D September   2009  – April 2019 TPS61093

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
  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 Shutdown and Load Discharge
      2. 7.3.2 Overload and Overvoltage Protection
      3. 7.3.3 UVLO
      4. 7.3.4 Thermal Shutdown
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 15 V Output Boost Converter
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 8.2.1.2.2 Output Program
          3. 8.2.1.2.3 Without Isolation FET
          4. 8.2.1.2.4 Start-Up
          5. 8.2.1.2.5 Switch Duty Cycle
          6. 8.2.1.2.6 Inductor Selection
          7. 8.2.1.2.7 Input and Output Capacitor Selection
          8. 8.2.1.2.8 Small Signal Stability
        3. 8.2.1.3 Application Curves
      2. 8.2.2 10 V, –10 V Dual Output Boost Converter
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community 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

VIN = 3.6 V, EN = VIN, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY CURRENT
VIN Input voltage range, VIN 1.6 6 V
IQ Operating quiescent current into VIN Device PWM switching no load 0.9 1.5 mA
ISD Shutdown current EN = GND, VIN = 6 V 1 μA
UVLO Undervoltage lockout threshold VIN falling 1.5 1.55 V
Vhys Undervoltage lockout hysterisis 50 mV
ENABLE AND PWM CONTROL
VENH EN logic high voltage VIN = 1.6 V to 6 V 1.2 V
VENL EN logic low voltage VIN = 1.6 V to 6 V 0.3 V
REN EN pull down resistor 400 800 1600 kΩ
Toff EN pulse width to shutdown EN high to low 1 ms
VOLTAGE CONTROL
VREF Voltage feedback regulation voltage 0.49 0.5 0.51 V
IFB Voltage feedback input bias current 100 nA
fS Oscillator frequency 1.0 1.2 1.4 MHz
Dmax Maximum duty cycle VFB = 0.1 V, TA = 85°C 90% 93%
Tmin_on Minimum on pulse width 65 ns
POWER SWITCH, ISOLATION FET
RDS(ON)N N-channel MOSFET on-resistance VIN = 3 V 0.25 0.4 Ω
RDS(ON)iso Isolation FET on-resistance VO = 5 V 2.5 4 Ω
VO = 3.5 V 4.5
ILN_N N-channel leakage current VDS = 20 V, TA = 25°C 1 μA
ILN_iso Isolation FET leakage current VDS = 20 V, TA = 25°C 1 μA
VF Power diode forward voltage Current = 500 mA 0.8 V
OC, ILIM, OVP SC AND SS
ILIM N-Channel MOSFET current limit 0.9 1.1 1.5 A
Vovp Overvoltage protection threshold Measured on the VO pin 18 19 V
Vovp_hys Overvoltage protection hysteresis 0.6 V
IOL Overload protection 200 300 mA
THERMAL SHUTDOWN
Tshutdown Thermal shutdown threshold 150 °C
Thysteresis Thermal shutdown hysteresis 15 °C