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AT1369

Features: • High efficiency (min. 90% On IO=300mA ~600mA)• Using external P and N channel MOSFET• Maximum Duty 100%• Oscillation frequency 300KHz or 600KHz• Soft Start by an external capacity• Output voltage accuracy ±2%• Built-in ON/OFF Function• Bu...

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SeekIC No. : 004289254 Detail

AT1369: Features: • High efficiency (min. 90% On IO=300mA ~600mA)• Using external P and N channel MOSFET• Maximum Duty 100%• Oscillation frequency 300KHz or 600KHz• Soft Start ...

AT1369 Data Sheet

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Part Number:
AT1369
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:

• High efficiency (min. 90% On IO=300mA ~600mA)
• Using external P and N channel MOSFET
• Maximum Duty 100%
• Oscillation frequency 300KHz or 600KHz
• Soft Start by an external capacity
• Output voltage accuracy ±2%
• Built-in ON/OFF Function
• Built-in Short-circuit Protection
• Stand-by current max. 10µA
• Quiescent Current 1.5mA
• Built-in Power Good reset circuit
• Input voltage: 2.5V ~7.0V


Application

• Slim-Type CD-ROM/DVD-ROM/CD-RW
• Power Supply for portable devices


Pinout

Connection Diagram


Specifications

Parameter
Condition
Rated Value
Unit
Min.
Max.
Power Supply Voltage
Source Average Current of PDRV1,NDRV1 PDRV2,NDRV2
Sink Average Current of PDRV1,NDRV1, PDRV2,NDRV2
Source Peak Current of PDRV1,NDRV1, PDRV2,NDRV2
Sink Peak Current of PDRV1,NDRV1, PDRV2,NDRV2
Input Voltage to Error Amplifier
Continuous power dissipation
Operating temperature
Storage temperature
-
-
-
-
-
-
SSOP20(Ta=+25)
-
-
-
-
-
-
-
-
-
-30
-55
+8
-50
50
-200
200
6.5
560
+85
+125
V
mA
mA
mA
mA
V
mW




Description

The AT1369 provides complete control and protection for a DC/DC converter optimized for high-performance microprocessor applications. It is designed to drive one P-Channel and one NChannel MOSFETs in a synchronous-rectified buck topology. The AT1369 integrates all of the control, output adjustment, monitoring and protection functions into a single package. The output voltage of the converter AT1369 can be precisely regulated with a maximum tolerance of ±2% over temperature and line voltage variations. The AT1369 is a family of low-noise synchronous stepdown DC/DC converters that is ideally suited for systems powered from a 1-cell Li-ion battery or from a 3-cell to 4-cell NiCd, NiMH, or alkaline battery. AT1369 can also be used to USB-Based power system.




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