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AT1729

Features: • Low input voltage: 2.5V to 7V• 3-Channels PWM Control: 2 Boost Controller(CH1,CH2) 1 Inverting Controller (CH3)• Adjustable Soft start time and maximum duty cycle• Built-in timer latch for short circuit protection: Delay time=216/(Switching frequency) • Bu...

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SeekIC No. : 004289276 Detail

AT1729: Features: • Low input voltage: 2.5V to 7V• 3-Channels PWM Control: 2 Boost Controller(CH1,CH2) 1 Inverting Controller (CH3)• Adjustable Soft start time and maximum duty cycle•...

AT1729 Data Sheet

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Part Number:
AT1729
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Low input voltage: 2.5V to 7V
• 3-Channels PWM Control:
  2 Boost Controller(CH1,CH2)
  1 Inverting Controller (CH3)
• Adjustable Soft start time and maximum duty cycle
• Built-in timer latch for short circuit protection: Delay time=216/(Switching frequency)
• Built-in under-voltage lockout, thermal shutdown.
• High operating frequency: 100kHz to 1MHz



Application

• LCD Displays Bias
• Power Supply for general equipment


Pinout

Connection Diagram Connection Diagram


Specifications

Parameter
Condition
Rated Value
Unit
Min.
Max.
Power supply voltage
-
-
+8
V
Source Average Current of OUT1, OUT2, OUT3
-
-50
mA
Sink Average Current of OUT1,OUT2, OUT3
-
-
50
mA
Input Voltage to Error Amplifier
-
-
6.5
V
Continuous power dissipation
TSSOP16(Ta=+25)
-
500
mW
Operating temperature
-
-30
+85
Junction temperature
-
-
+125
Storage temperature
-
-40
+150
Lead temperature
-
-
+300



Description

The AT1729 is a PWM DC/DC converter control IC with 3 channel outputs that can directly drive power MOSFET. This IC ia suitable for very small DC/DC converters because of their small and thin package(1.1 mm max.), and high ope-ration frequency (up to 1.0 MHz). 


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