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LTC3824

Features: ` Wide Input Range: 4V to 60V` Current Mode Constant Frequency PWM` Very Low Dropout Operation: 100% Duty Cycle` Programmable Switching Frequency:200kHz to 600kHz` Selectable High Effi cient Burst Mode® Operation:40A Quiescent Current` Easy Synchronization` 8V, 2A Gate Drive (VCC >...

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SeekIC No. : 004402370 Detail

LTC3824: Features: ` Wide Input Range: 4V to 60V` Current Mode Constant Frequency PWM` Very Low Dropout Operation: 100% Duty Cycle` Programmable Switching Frequency:200kHz to 600kHz` Selectable High Effi cie...

LTC3824 Data Sheet

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Part Number:
LTC3824
Supply Ability:
5000

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

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Product Details

Description



Features:

`  Wide Input Range: 4V to 60V
`  Current Mode Constant Frequency PWM
`  Very Low Dropout Operation: 100% Duty Cycle
`  Programmable Switching Frequency:
200kHz to 600kHz
`  Selectable High Effi cient Burst Mode® Operation:
40A Quiescent Current
`  Easy Synchronization
`  8V, 2A Gate Drive (VCC > 10V) for Industrial High Voltage P-channel MOSFET
`  Programmable Soft-Start
`  Programmable Current Limit
`  Available i`  a Small 10-Pi`  Thermally Enhanced MSE Package


Application

·  Industrial and Automotive Power Supplies
·  Telecom Power Supplies
·  Distributed Power Systems


Pinout

Connection Diagram


Specifications

VCC .........................................................................65V
SS, RSET, VFB ............................................................4V
VC ............................................................................3V
SYNC/MODE .............................................................6V
VCC VSENSE ........................................................1V
Maximum Temperatures (Note 2)
LTC3824E .............................................40 to 85
LTC3824I............................................ 40 to 125
Storage Temperature Range ..............65° to 150
Lead Temperature (Soldering, 10 sec)  ............. 300




Description

The LTC®3824 is a step-down DC/DC controller designed to drive an external P-channel MOSFET. With a wide input range of 4V to 60V and a high voltage gate driver, the LTC3824 is suitable for many industrial and automotive high power applications. Constant frequency current mode operation provides excellent performance.

The LTC3824 can be confi gured for Burst Mode operation. Burst Mode operation enhances low current effi ciency (only 40A quiescent current) and extends battery run time. The switching frequency can be programmed up to 600kHz and is easily synchronizable.

Other features include current limit, soft-start, micropower shutdown, and Burst Mode disable.

The LTC3824 is available in a 10-lead MSE power package.




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