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LTC3707 - 2-Phase Synchronous Step-Down Switching Regulator

General Description

The LTC®3707 is a high performance dual step-down switching regulator controller that drives N-channel synchronous power MOSFET stages.

A constant frequency current mode architecture allows adjustment of the frequency up to 300kHz.

Key Features

  • 180° Phased Dual Controllers Reduce Required Input Capacitance and Power Supply Induced Noise.
  • OPTI-LOOP® Compensation Minimizes COUT.
  • ±1.5% Output Voltage Accuracy over Temperature.
  • Dual N-Channel MOSFET Synchronous Drive.
  • Power Good Output Voltage Monitor.
  • DC Programmed Fixed Frequency 150kHz to 300kHz.
  • Wide VIN Range: 4.5V to 28V Operation.
  • Very Low Dropout Operation: 99% Duty Cycle.
  • Adjustable Soft-Start Current Ramping.
  • Foldback Output Curr.

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC3700 Constant Frequency Step-Down DC/DC Controller
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
FEATURES ■ 180° Phased Dual Controllers Reduce Required Input Capacitance and Power Supply Induced Noise ■ OPTI-LOOP® Compensation Minimizes COUT ■ ±1.5% Output Voltage Accuracy over Temperature ■ Dual N-Channel MOSFET Synchronous Drive ■ Power Good Output Voltage Monitor ■ DC Programmed Fixed Frequency 150kHz to 300kHz ■ Wide VIN Range: 4.5V to 28V Operation ■ Very Low Dropout Operation: 99% Duty Cycle ■ Adjustable Soft-Start Current Ramping ■ Foldback Output Current Limiting ■ Latched Short-Circuit Shutdown with Defeat Option ■ Output Overvoltage Protection ■ Remote Output Voltage Sense ■ Low Shutdown IQ: 20μA ■ 5V and 3.