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ADP3000

Features: Operates at Supply Voltages from 2 V to 30 VWorks in Step-Up or Step-Down ModeVery Few External Components RequiredHigh Frequency Operation Up to 400 kHzLow Battery Detector on ChipUser Adjustable Current LimitFixed and Adjustable Output Voltage8-Pin DIP and SO-8 PackageSmall Inductors a...

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SeekIC No. : 004276412 Detail

ADP3000: Features: Operates at Supply Voltages from 2 V to 30 VWorks in Step-Up or Step-Down ModeVery Few External Components RequiredHigh Frequency Operation Up to 400 kHzLow Battery Detector on ChipUser Ad...

ADP3000 Data Sheet

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Part Number:
ADP3000
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:

Operates at Supply Voltages from 2 V to 30 V
Works in Step-Up or Step-Down Mode
Very Few External Components Required
High Frequency Operation Up to 400 kHz
Low Battery Detector on Chip
User Adjustable Current Limit
Fixed and Adjustable Output Voltage
8-Pin DIP and SO-8 Package
Small Inductors and Capacitors


Application

Notebook, Palmtop Computers
Cellular Telephones
Hard Disk Drives
Portable Instruments
Pagers


Pinout

Connection Diagram


Specifications

Input Supply Voltage, Step-Up Mode  . . . . . . . . . . . . . . . 15 V
Input Supply Voltage, Step-Down Mode  . . . . . . . . . . . . . 36 V
SW1 Pin Voltage  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 V
SW2 Pin Voltage  . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to VIN
Feedback Pin Voltage (ADP3000)  . . . . . . . . . . . . . . . . . .5.5 V
Switch Current  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5 A
Maximum Power Dissipation  . . . . . . . . . . . . . . . . . .  500 mW
Operating Temperature Range  . . . . . . . . . . . . 0°C to +70°C
Storage Temperature Range  . . . . . . . . . . .65°C to +150°C
Lead Temperature (Soldering, 10 sec)  . . . . . . . . . . .+300°C
Thermal Impedance
SO-8  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   170°C/W
N-8  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   120°C/W


Description

The ADP3000 is a versatile step-up/step-down switching regulator that operates from an input supply voltage of 2 V to 12 V in step-up mode and up to 30 V in step-down mode. The ADP3000 operates in Pulse Frequency Mode (PFM) and consumes only 500 µA, making it highly suitable for applications that require low quiescent current. It can deliver an output current of 100 mA at 3 V from a 5 V input in step-down configuration and 180 mA at 3.3 V from a 2 V input in step-up configuration.

The auxiliary gain amplifier can be used as a low battery detector, linear regulator undervoltage lockout or error amplifier. The ADP3000 operates at 400 kHz switching frequency. This allows the use of small external components (inductors and capacitors), making the device very suitable for space constrained designs.




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