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ADP1110

Features: Operates at Supply Voltages From 1.0 V to 30 VStep-Up or Step-Down ModeMinimal External Components RequiredLow-Battery DetectorUser-Adjustable Current LimitingFixed or Adjustable Output Voltage Versions8-Pin DIP or SO-8 PackageApplicationCellular TelephonesSingle-Cell to 5 V ConvertersLa...

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SeekIC No. : 004276261 Detail

ADP1110: Features: Operates at Supply Voltages From 1.0 V to 30 VStep-Up or Step-Down ModeMinimal External Components RequiredLow-Battery DetectorUser-Adjustable Current LimitingFixed or Adjustable Output Vo...

ADP1110 Data Sheet

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Part Number:
ADP1110
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 1.0 V to 30 V
Step-Up or Step-Down Mode
Minimal External Components Required
Low-Battery Detector
User-Adjustable Current Limiting
Fixed or Adjustable Output Voltage Versions
8-Pin DIP or SO-8 Package


Application

Cellular Telephones
Single-Cell to 5 V Converters
Laptop and Palmtop Computers
Pagers
Cameras
Battery Backup Supplies
Portable Instruments
Laser Diode Drivers
Hand-Held Inventory Computers


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 (ADP1110)  . . . . . . . . . . . . . . . . . . 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


Description

The ADP1110 is part of a family of step-up/step-down switching regulators that operate from an input voltage supply as little as 1.0 V. This very low input voltage allows the product to be used in applications that use a single cell as the primary power source. The ADP1110 can be configured to operate in either step-up or step-down mode, but for input voltages greater than 3 V, the ADP1111 would be a more effective solution. An auxiliary gain amplifier can serve as a low battery detector or as a linear regulator.

The quiescent current of 300 µA makes the ADP1110 useful in remote or battery powered applications.The 70 kHz frequency operation also allows for the use of surface-mount external capacitors and inductors. Battery protection circuitry limits the effect of reverse current to safe levels at reverse voltages up to 1.6 V.




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