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LTC1516

Features: Ultralow Power: Typical Operating ICC = 12µA Short Circuit/Thermal Protection Regulated 5V ±4% Output 2V to 5V Input Range No Inductors ICC in Shutdown: <1µA Output Current:20mA (VIN > 2V)50mA (VIN > 3V)Shutdown Disconnects Load from VIN Internal Oscillator: 600kHz ...

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SeekIC No. : 004401647 Detail

LTC1516: Features: Ultralow Power: Typical Operating ICC = 12µA Short Circuit/Thermal Protection Regulated 5V ±4% Output 2V to 5V Input Range No Inductors ICC in Shutdown: <1µA Output Current...

LTC1516 Data Sheet

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Part Number:
LTC1516
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:

Ultralow Power: Typical Operating ICC = 12µA
Short Circuit/Thermal Protection
Regulated 5V ±4% Output
2V to 5V Input Range
No Inductors
ICC in Shutdown: <1µA
Output Current:20mA (VIN > 2V)50mA (VIN > 3V)
Shutdown Disconnects Load from VIN
Internal Oscillator: 600kHz
Compact Application Circuit (0.1 in2)
8-Pin SO Package


Application

2-Cell to 5V Conversion
Li-Ion Battery Backup Supplies
Local 3V to 5V Conversion
5V Flash Memory Programmer
Smart Card Readers


Pinout

Connection Diagram


Specifications

VIN to GND.................................................... 0.3V to 6V
VOUT to GND ................................................ 0.3V to 6V
SHDN to GND ............................................... 0.3V to 6V
VOUT Short-Circuit Duration ............................. Indefinite
Operating Temperature Range
Commercial ............................................... 0°C to 70°C
Industrial ............................................ 40°C to 85°C
Storage Temperature Range ..............65°C to 150°C
Lead Temperature (Soldering, 10 sec)..................300°C


Description

The LTC®1516 is a micropower charge pump DC/DCconverter that produces a regulated 5V output from a 2Vto 5V supply. Extremely low supply current (12µA typicalwith no load, < 1µA in shutdown) and low external partscount (two 0.22µF flying capacitors and two 10µF capaci-tors at VIN and VOUT) make the LTC1516 ideally suited forsmall, light load battery-powered applications. Typicalefficiency (VIN = 3V) exceeds 70% with load currentsbetween 50µA and 50mA. Modulating the SHDN pin keepsthe typical efficiency above 70% with load currents all theway down to 10µA.

The LTC1516 operates as either a doubler or a triplerdepending on VIN and output load conditions to improveoverall efficiency. The part has thermal shutdown and cansurvive a continuous short from VOUT to GND. In shut-down the load is disconnected from VIN.

The LTC1516 is available in an 8-pin SO package in bothcommercial and industrial temperature grades.




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