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LTC1514-5

Features: 3.3V or 5V Output Voltages2V to 10V Input Voltage RangeUp to 50mA Output CurrentOnly Three External Capacitors RequiredSoft Start Limits Inrush Current at Turn-OnLow Operating Current: 60ALow Shutdown Current: 10AShutdown Disconnects Load from VINShort-Circuit and Overtemperature Protect...

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LTC1514-5: Features: 3.3V or 5V Output Voltages2V to 10V Input Voltage RangeUp to 50mA Output CurrentOnly Three External Capacitors RequiredSoft Start Limits Inrush Current at Turn-OnLow Operating Current: 60A...

LTC1514-5 Data Sheet

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Part Number:
LTC1514-5
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:

3.3V or 5V Output Voltages
2V to 10V Input Voltage Range
Up to 50mA Output Current
Only Three External Capacitors Required
Soft Start Limits Inrush Current at Turn-On
Low Operating Current: 60A
Low Shutdown Current: 10A
Shutdown Disconnects Load from VIN
Short-Circuit and Overtemperature Protected
650kHz Switching Frequency
Low-Battery Comparator Active in Shutdown
Available in SO-8 Package


Application

Battery-Operated Equipment
Smart Card Readers
Local Power Supplies
Handheld Instruments
Battery Backup Supplies


Pinout

Connection Diagram


Specifications

VIN to GND................................................ 0.3V to 12V
VOUT to GND............................................. 0.3V to 12V
SHDN, LBI, LBO to GND ........................... 0.3V to 12V
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(R) 1514-3.3/LTC1514-5 are micropower switched capacitor DC/DC converters that produce a regulated output voltage by either stepping up or stepping down the input voltage. Output voltage is fixed at either 3.3V(LTC1514-3.3) or 5V (LTC1514-5) by an internal resistor divider.

A unique architecture of  LTC(R) 1514-3.3/LTC1514-5 allows the parts to accommodate a wide input voltage range (2V to 10V) while maintaining ±4% regulation. Additional circuitry prevents excessive inrush current and output voltage ripple when large VINto VOUT differentials are present.

An internal uncommitted comparator is kept active in shutdown. The comparator has an open-drain output for flexible interfacing.

The parts are short-circuit and overtemperature pro- tected. Battery life is maximized by very low operating currents (ICC = 60A typ, 10A in shutdown). Both parts are available in an SO-8 package.


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