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LTC3723-1

Features: High Efficiency Synchronous Push-Pull PWM 1.5A Sink, 1A Source Output Drivers Supports Push-Pull, Full-Bridge, Half-Bridge, and Forward Topologies Adjustable Push-Pull Dead-Time and Synchronous Timing Adjustable System Undervoltage Lockout and Hysteresis Adjustable Leading Edge Blanking...

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SeekIC No. : 004402318 Detail

LTC3723-1: Features: High Efficiency Synchronous Push-Pull PWM 1.5A Sink, 1A Source Output Drivers Supports Push-Pull, Full-Bridge, Half-Bridge, and Forward Topologies Adjustable Push-Pull Dead-Time and Synch...

LTC3723-1 Data Sheet

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Part Number:
LTC3723-1
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

High Efficiency Synchronous Push-Pull PWM
1.5A Sink, 1A Source Output Drivers
Supports Push-Pull, Full-Bridge, Half-Bridge, and Forward Topologies
Adjustable Push-Pull Dead-Time and Synchronous Timing
Adjustable System Undervoltage Lockout and Hysteresis
Adjustable Leading Edge Blanking
Low Start-Up and Quiescent Currents
Current Mode (LTC3723-1) or Voltage Mode (LTC3723-2) Operation
Single Resistor Slope Compensation
VCC UVLO and 25mA Shunt Regulator
Programmable Fixed Frequency Operation to 1MHz
50mA Synchronous Output Drivers
Soft-Start, Cycle-by-Cycle Current Limiting and Hiccup Mode Short-Circuit Protection
5V, 15mA Low Dropout Regulator
Available in 16-Pin SSOP Package


Application

Telecommunications, Infrastructure Power Systems
Distributed Power Architectures


Pinout

Connection Diagram


Specifications

VCC to GND (Low Impedance Source) .......0.3V to 10V
(Chip Self-Regulates at 10.3V)
UVLO to GND............................................. 0.3V to VCC
All Other Pins to GND
(Low Impedance Source) .........................0.3V to 5.5V
VCC (Current Fed) ............................................... 40mA
VREF Output Current ............................. Self-Regulated
Operating Temperature (Notes 5,6)
LTC3723E ................................................ 40 to 85
Storage Temperature Range ................. 65 to 125
Lead Temperature (Soldering, 10sec)................... 300


Description

The LTC®3723-1/LTC3723-2 synchronous push-pull PWM controllers provide all of the control and protection functions necessary for compact and highly efficient, isolated power converters. High integration minimizes external component count, while preserving design flexibility.

The robust push-pull output stages switch at half the oscillator frequency. Dead-time is independently programmed with an external resistor. Synchronous rectifier timing is adjustable to optimize efficiency. A UVLO program input provides precise system turn-on and turn off voltages. The LTC3723-1 features peak current mode control with programmable slope compensation and leading edge blanking, while the LTC3723-2 employs voltage mode control with voltage feedforward capability.

The LTC3723-1/LTC3723-2 feature extremely low operating and start-up currents. Both devices provide reliable short-circuit and overtemperature protection. The LTC3723-1/LTC3723-2 are offered in a 16-pin SSOP package.




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