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AAT1403A

Features: Complete PWM Power Control Circuitry Input Voltage Range: 1.4V to 6.5V Low Start-Up Voltage: 1.4V (CH6) Separate On/Off Control for CH1~CH6 Supports Synchronous Boost Rectification (CH6) Supports Synchronous Buck Rectification (CH1, 5) Supports Boost Conversion (CH2, 4) Supports White L...

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SeekIC No. : 004261060 Detail

AAT1403A: Features: Complete PWM Power Control Circuitry Input Voltage Range: 1.4V to 6.5V Low Start-Up Voltage: 1.4V (CH6) Separate On/Off Control for CH1~CH6 Supports Synchronous Boost Rectification (CH6) ...

AAT1403A Data Sheet

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Part Number:
AAT1403A
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: 2024/5/27

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Product Details

Description



Features:

Complete PWM Power Control Circuitry
Input Voltage Range: 1.4V to 6.5V
Low Start-Up Voltage: 1.4V (CH6)
Separate On/Off Control for CH1~CH6
Supports Synchronous Boost Rectification (CH6)
Supports Synchronous Buck Rectification (CH1, 5)
Supports Boost Conversion (CH2, 4)
Supports White LED Driver (CH4)
Supports Inverting Conversion (CH3)
Totem Pole Output
Short Circuit Protection
VQFN40 and LQFP48 Package
Oscillator Frequency: 500 kHz (±15%)




Application

Digital Cameras
CCD Imaging Devices
Camcorders




Pinout

Connection Diagram




Specifications

Parameter Symbol
Value
 Unit
Supply Voltage
VDD
7
V
Input Voltage ( IE − , DTC − ,SD − )
VI
VDD
V
Output Voltage
VO
VDD + 0.3
V
Output Current
IO
+20
mA
Output Peak Current tw 2s, Duty5%)
Iopeak
+200
mA
Operating Temperature Range
TC
−20 to + 85
Storage Temperature Range
Tstorage
−45 to + 125





Description

The AAT1403A provides an integrated six-channel pulse-width-modulation (PWM) solution for the power supply of DC-DC converter; this device offers systemengineer flexibility to tailor-make the power supply circuitry for specific applications. Each channel contains its own error amplifier, PWM comparator, dead-time control and output driver. The under-voltage protection, oscillator, short circuit protection and voltage reference circuit are the common features for the six channels.

In addition to two boost conversions and one inverting conversion, AAT1403A also has three synchronous rectifiers.






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