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LT3693

Features: ` Wide Input Range: 3.6V to 36V` 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. : 004401143 Detail

LT3693: Features: ` Wide Input Range: 3.6V to 36V` 3.5A Maximum Output Current` Adjustable Switching Frequency: 200kHz to 2.4MHz` Low Shutdown Current: IQ < 1A` Integrated Boost Diode` Synchronizable Bet...

LT3693 Data Sheet

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Part Number:
LT3693
Supply Ability:
5000

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

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Upload time: 2024/5/31

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Product Details

Description



Features:

` Wide Input Range: 3.6V to 36V
` 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 30V
` Thermal Protection
` Soft-Start Capability
` Small 10-Pin Thermally Enhanced MSOP and (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 ..................................................36V
BOOST Pin Voltage .....................................................56V
BOOST Pin Above SW Pin ...........................................30V
FB, RT, VC Voltage ........................................................5V
PG, BD Voltage ...........................................................30V
SYNC Voltage .............................................................20V
Operating Junction Temperature Range (Note 2)
LT3693E .................................................. 40 to 125
LT3693I.................................................... 40 to 125
Storage Temperature Range ................... 65 to 150
Lead Temperature (Soldering, 10 sec)
(MSE Only) ............................................................. 300


Description

The LT®3693 is an adjustable frequency (200kHz to 2.4MHz) monolithic buck switching regulator that accepts input voltages up to 36V. 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 LT3693 is available in 10-Pin MSOP and 3mm * 3mm DFN packages with exposed pads for low thermal resistance.




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