DC/DC Controller, High Efficiency, 4.5V to 28V, 2 Outputs, Synchronous Buck, 360kHz, SSOP-28

LTC3707EGN#PBF - DC/DC Controller, High Efficiency, 4.5V to 28V, 2 Outputs, Synchronous Buck, 360kHz, SSOP-28

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Product Overview

The LTC3707EGN#PBF is a high-performance dual step-down Switching Regulator Controller that drives N-channel synchronous power MOSFET stages. The constant frequency current-mode architecture allows adjustment of the frequency up to 300kHz. Power loss and noise due to the ESR of the input capacitors are minimized by operating the two controller output stages out of phase. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. The precision 0.8V reference and power good output indicator are compatible with future microprocessor generations and a wide 3.5 to 30V input supply range encompasses all battery chemistries. A RUN/SS pin for each controller provides both soft-start and optional timed, short-circuit shutdown. Current foldback limits MOSFET dissipation during short-circuit conditions when overcurrent latch-off is disabled.
  • 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
  • Adjustable soft-start current ramping
  • Foldback output current limiting
  • Output overvoltage protection
  • Remote output voltage sense
  • Selectable constant frequency, burst mode operation or PWM operation


Communications & Networking, Power Management, Portable Devices

Product Information

2 Output
Synchronous Buck (Step Down)
Cut Tape
MSL 1 - Unlimited
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