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

LINEAR TECHNOLOGY LTC3707EGN#PBF
Manufacturer Part No:
LTC3707EGN#PBF
Order Code:
1273948
Technical Datasheet:
See all Technical Docs

Image is for illustrative purposes only. Please refer to product description.

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

Product Information

Supply Voltage Min:
4.5V
Supply Voltage Max:
28V
No. of Outputs:
2 Output
Duty Cycle (%):
99.4%
Controller IC Case Style:
SSOP
No. of Pins:
28Pins
Switching Frequency:
360kHz
Topology:
Synchronous Buck (Step Down)
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Packaging:
Cut Tape
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Communications & Networking
  • Power Management
  • Portable Devices

Legislation and Environmental

Country of Origin:
United States

Country in which last significant manufacturing process was carried out

RoHS Compliant:
Yes
Tariff No:
85423990
Weight (kg):
.000426

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