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LT1913

Features: ` Wide Input Range: 3.6V to 25V` 3.5A Maximum Output Current` Adjustable Switching Frequency: 200kHz to 2.4MHz` Low Shutdown Current: IQ < 1A` Integrated Boost Diode` Synchronizable Between 250kHz to 2MHz` Power Good Flag` Saturating Switch Design: 95m On-Resistance` 0.790V Feedback R...

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SeekIC No. : 004400908 Detail

LT1913: Features: ` Wide Input Range: 3.6V to 25V` 3.5A Maximum Output Current` Adjustable Switching Frequency: 200kHz to 2.4MHz` Low Shutdown Current: IQ < 1A` Integrated Boost Diode` Synchronizable Bet...

LT1913 Data Sheet

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Part Number:
LT1913
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:

` Wide Input Range: 3.6V to 25V
` 3.5A Maximum Output Current
` Adjustable Switching Frequency: 200kHz to 2.4MHz
` Low Shutdown Current: IQ < 1A
` Integrated Boost Diode
` Synchronizable Between 250kHz to 2MHz
` Power Good Flag
` Saturating Switch Design: 95m On-Resistance
` 0.790V Feedback Reference Voltage
` Output Voltage: 0.79V to 25V
` Thermal Protection
` Soft-Start Capability
` Small 10-Pin (3mm * 3mm) DFN Packages


Application

· Automotive Battery Regulation
· Power for Portable Products
· Distributed Supply Regulation
· Industrial Supplies
· Wall Transformer Regulation


Pinout

Connection Diagram


Specifications

VIN, RUN/SS Voltage ...................................................25V
BOOST Pin Voltage .....................................................50V
BOOST Pin Above SW Pin ............................................25V
FB, RT, VC Voltage ........................................................5V
PG, BD Voltage ...........................................................25V
SYNC Voltage .............................................................20V
Operating Junction Temperature Range (Note 2)
LT1913E .................................................. 40 to 125
LT1913I .................................................... 40to 125
Storage Temperature Range ................... 65 to 150


Description

The LT®1913 is an adjustable frequency (200kHz to 2.4MHz) monolithic buck switching regulator that accepts input voltages up to 25V. A high effi ciency 95m switch is included on the die along with a boost Schottky diode and the necessary oscillator, control, and logic circuitry. Current mode topology is used for fast transient response and good loop stability. Shutdown reduces input supply current to less than 1A while a resistor and capacitor on the RUN/SS pin provide a controlled output voltage ramp (soft-start). A power good fl ag signals when VOUT reaches 91% of the programmed output voltage. The LT1913 is available in 10-Pin 3mm * 3mm DFN packages with exposed pads for low thermal resistance.




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