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AIC1550COTR

Features: ` 95% Efficiency or up` 800mA Guaranteed Output Current.` Adjustable Output Voltage from 0.75V to VIN of a range from +2.5V to 6.5V.` Very Low Quiescent Current: 35A (Typ.).` Fixed- 500KHz or Adjustable Frequency Synchronous PWM Operation.` Synchronizable external Switching Frequen...

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SeekIC No. : 004279011 Detail

AIC1550COTR: Features: ` 95% Efficiency or up` 800mA Guaranteed Output Current.` Adjustable Output Voltage from 0.75V to VIN of a range from +2.5V to 6.5V.` Very Low Quiescent Current: 35A (Typ.).` Fixed- 5...

AIC1550COTR Data Sheet

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Part Number:
AIC1550COTR
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:

` 95% Efficiency or up
` 800mA Guaranteed Output Current.
` Adjustable Output Voltage from 0.75V to VIN of a range from +2.5V to 6.5V.
` Very Low Quiescent Current: 35A (Typ.).
` Fixed- 500KHz or Adjustable Frequency Synchronous PWM Operation.
` Synchronizable external Switching Frequency up to 1MHz.
` Accurate Reference: 0.75V (±2%).
` 100% Duty Cycle in Dropout.
` Low Profile 8-Pin MSOP Package.


Application

· PDAs.
· Digital Still Cameras.
· Handy-Terminals.
· Cellular Phones.
· CPU I/O Supplies.
· Cordless Phones.
· Notebook Chipset Supplies.
· Battery-Operated Devices (4 NiMH/ NiCd or 1 Li-ion Cells).


Pinout

Connection Diagram


Specifications

VIN, BP, SHDN, SYNC/MODE, RT to GND .........-0.3 to +7V
BP to VIN ......................................................-0.3 to 0.3V
LX to GND ............................................-0.3 ~ (VIN+0.3V)
FB to GND........................................... -0.3 ~ (VBP+0.3V)
Operating Temperature Range ..................-40°C ~ 85°C
Junction Temperatrue ............................................125°C
Storage Temperature Range ..................- 65°C ~ 150°C
Lead Temperature (Soldering. 10 sec) ..................260°C


Description

The AIC1550 is a low-noise pulse-width-modulated (PWM) DC-DC step-down converter. It powers logic circuits in PDAs and small wireless systems such as cellular phones, handy-terminals.

The device features an internal synchronous rectifier for high conversion efficiency. Excellent noise characteristics and fixed-frequency operation provide easy post-filtering. The AIC1550 is ideally suited for Li-ion battery applications. It is also suitable for +3V or +5V fixed input applications. The device can operate in either one of the following four modes.




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