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TPS61221DCKR +BOM

0.7-VIN, 3.3-V fixed output voltage boost converter with 5.5-μA quiescent current

TPS61221DCKR General Description

The TPS61221DCKR is a DC to DC switching regulator that provides a stable 1.2V output at a maximum current of 200mA. It features a compact 1.25mm package size, making it ideal for applications with limited space constraints. Additionally, this regulator can operate at frequencies of up to 2MHz, allowing for efficient power conversion in a variety of electronic devices

Key Features

  • Up to 95% Efficiency at Typical Operating
    Conditions
  • 5.5 µA Quiescent Current
  • Startup Into Load at 0.7 V Input Voltage
  • Operating Input Voltage from 0.7 V to 5.5 V
  • Pass-Through Function during Shutdown
  • Minimum Switching Current 200 mA
  • Protections:
    • Output Overvoltage
    • Overtemperature
    • Input Undervoltage Lockout
  • Adjustable Output Voltage from 1.8 V to 6 V
  • Fixed Output Voltage Versions
  • Small 6-pin SC-70 Package

Specifications

Topology Boost Vin (min) (V) 0.7
Vin (max) (V) 5.5 Vout (min) (V) 3.3
Vout (max) (V) 3.3 Switch current limit (typ) (A) 0.4
Type Converter Regulated outputs (#) 1
Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 2000
Iq (typ) (mA) 0.005 Features Synchronous Rectification
Duty cycle (max) (%) 90 Operating temperature range (°C) -40 to 85
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