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AIC1553

Features: 􀁺 Tiny 5-Lead SOT-23 package􀁺 Uses Tiny Capacitors and Inductor􀁺 High Frequency Operation: 500KHz􀁺 High Output Current: 500mA􀁺 Low RDS(ON) Internal Switch: 0.6􀁺 High Efficiency: Up to 90%􀁺 Current Mode Operation for Excellent...

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SeekIC No. : 004279012 Detail

AIC1553: Features: 􀁺 Tiny 5-Lead SOT-23 package􀁺 Uses Tiny Capacitors and Inductor􀁺 High Frequency Operation: 500KHz􀁺 High Output Current: 500mA􀁺 Low RDS(ON) Inte...

AIC1553 Data Sheet

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Part Number:
AIC1553
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:

􀁺 Tiny 5-Lead SOT-23 package
􀁺 Uses Tiny Capacitors and Inductor
􀁺 High Frequency Operation: 500KHz
􀁺 High Output Current: 500mA
􀁺 Low RDS(ON) Internal Switch: 0.6
􀁺 High Efficiency: Up to 90%
􀁺 Current Mode Operation for Excellent Line and Load Transient Response
􀁺 Short-Circuit Protected
􀁺 Low Quiescent Current: 22A
􀁺 Low Dropout Operation: 100% Duty Cycle
􀁺 Ultralow Shutdown Current: IQ < 1A
􀁺 Peak Inductor Current Independent of Inductor Value
􀁺 Low Output Voltages: Down to 0.75V


Application

􀁺 Cellular Phones.
􀁺 PDAs and Handy-Terminals.
􀁺 CPU I/O Supplies.
􀁺 Cordless Phones.
􀁺 Notebook Chipset Supplies.
􀁺 Handheld Equipment


Pinout

Connection Diagram


Specifications

(Voltage Referred to GND Pin)
VIN Pin Voltage ..................................................................................................... - 0.3 to + 6V
SD Voltage (Pin 4) ..................................................................................................- 0.3 to + 6V
VFB Voltage (Pin 3) .................................................................................................- 0.3 to + 6V
VIN SW (Max Switch Voltage) ............................................................................7.0V to - 0.3V
Operating Temperature Range .............................................................................-40°C ~ 85°C
Junction Temperature Range .............................................................................................125°C
Storage Temperature Range.............................................................................. - 65°C ~ 150°C


Description

The AIC1553 is a step-down, current mode,DC/DC converter. It operates from 2.5V to 5.5V input voltage range and switches at 500KHz,allowing the use of tiny, low cost capacitors and inductors. The output voltage is adjustable from 0.75V to 5V. A built-in 0.6 switch allows up to 0.5A of output current at high efficiency.The AIC1553 operates continuously to very low load currents to provide low ripple at the expense of light load efficiency. With no load,it draws only 22A. In shutdown mode, it draws less than 1A, making it ideal for current sensitive applications.The tiny 5-lead SOT-23 package makes it easy to save the layout area.




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