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AT1387A

Features: • Wide supply voltage range from 2.5V to 6.5V (CH1~6)• High speed operation is possible: Maximum 1 MHz• Supports for up, flyback and up/down SEPIC conversion (CH3,4,5,6)• Supports for down and up/down Zeta conversion (CH1,2)• Synchronized rectification on CH...

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SeekIC No. : 004289257 Detail

AT1387A: Features: • Wide supply voltage range from 2.5V to 6.5V (CH1~6)• High speed operation is possible: Maximum 1 MHz• Supports for up, flyback and up/down SEPIC conversion (CH3,4,5,6)&...

AT1387A Data Sheet

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Part Number:
AT1387A
Supply Ability:
5000

Price Break

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

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Upload time: 2024/7/15

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Product Details

Description



Features:

• Wide supply voltage range from 2.5V to 6.5V (CH1~6)
• High speed operation is possible: Maximum 1 MHz
• Supports for up, flyback and up/down SEPIC conversion (CH3,4,5,6)
• Supports for down and up/down Zeta conversion (CH1,2)
• Synchronized rectification on CH1,CH2
• Supports for negative voltage feedback CH5
• Built-in On/Off function
• Built-in Soft-Start Function
• Built-in Short-Circuit Protection.


Application

• Digital Cameras
• CCD Imaging Devices
• Camcorders


Pinout

Connection Diagram


Specifications

Parameter
Symbol
 Condition Rating
Unit
Min Max
Power supply voltage
VCC
 - - 6.5
V
Output current
IO
 Output pin - 30
mA
Output peak current
IO
 Output pin, Duty5% - 200
mA
Power dissipation
PD
 Ta25 (LQFP-48P) - 860
mW
Operating temperature
Topr
 - -30 85
Storage temperature
Tstg
 - -55 125

*Semiconductor devices can be permanently damaged by application of stress in excess of absolute ratings. Do not
exceed these ratings




Description

The AT1387A is a 6-channel PWM DC/DC control IC for low voltage applications with a soft start function and short circuit detection function. This IC AT1387A is ideal for up conversion, down conversion,and up/down conversion (using a step-up/stepdown SEPIC ,Zeta system with free input and output settings). 6 channels can be built in the LQFP48 package, each channel be controlled, and soft-start.

The AT1387A include one comparator to generate low-battery warning outputs. It also contains two high efficiency topology by using synchronous rectification PWM(It can be disable by floating OUT1_2,OUT2_2.)




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