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UMC33167 - STEP-UP/DOWN/INVERTING SWITCHING REGULATORS

Description

The UTC UMC33167 series are high performance fixed frequency power switching regulators that contain the primary functions required for dc-to-dc converters.

Features

  • Output Switch Current in Excess of 5.0A.
  • Fixed Frequency Oscillator (72kHz) with On-Chip Timing.
  • Provides 5.05V Output without External Resistor Divider.
  • Precision 2% Reference.
  • 0% ~ 95% Output Duty Cycle.
  • Cycle-by-Cycle Current Limiting.
  • Undervoltage Lockout with Hysteresis.
  • Internal Thermal Shutdown.
  • Operation from 7.5V ~ 40V.
  • Standby Mode Reduces Power Supply Current to 36μA.

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Other Datasheets by UTC

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    UNISONIC TECHNOLOGIES CO., LTD UMC33167 5.0A, STEP-UP/DOWN/ INVERTING SWITCHING REGULATORS LINEAR INTEGRATED CIRCUIT 1 1  DESCRIPTION The UTC UMC33167 series are high performance fixed frequency power switching regulators that contain the primary functions required for dc-to-dc converters. This series was specifically designed to be incorporated in step-down and voltage-inverting configurations with a minimum number of external components and can also be used cost effectively in step-up applications. These devices consist of an internal temperature compensated reference, fixed frequency oscillator with on-chip timing components, latching pulse width modulator for single pulse metering, high gain error amplifier, and a high current output switch.
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