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LTC1144

Features: Wide Operating Supply Voltage Range: 2V to 18VBoost Pin (Pin 1) for Higher Switching FrequencySimple Conversion of 15V to 15V SupplyLow Output Resistance: 120 MaximumPower Shutdown to 8A with SHDN PinOpen Circuit Voltage Conversion Efficiency:99.9% TypicalPower Conversion Efficiency: 93%...

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SeekIC No. : 004401389 Detail

LTC1144: Features: Wide Operating Supply Voltage Range: 2V to 18VBoost Pin (Pin 1) for Higher Switching FrequencySimple Conversion of 15V to 15V SupplyLow Output Resistance: 120 MaximumPower Shutdown to 8A w...

LTC1144 Data Sheet

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Part Number:
LTC1144
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Wide Operating Supply Voltage Range: 2V to 18V
Boost Pin (Pin 1) for Higher Switching Frequency
Simple Conversion of 15V to 15V Supply
Low Output Resistance: 120 Maximum
Power Shutdown to 8A with SHDN Pin
Open Circuit Voltage Conversion Efficiency:
99.9% Typical
Power Conversion Efficiency: 93% Typical
Easy to Use


Application

Conversion of 15V to ±15V Supplies
Inexpensive Negative Supplies
Data Acquisition Systems
High Voltage Upgrade to LTC1044 or 7660
Voltage Division and Multiplications
Automotive Applications
Battery Systems with Wall Adapter/Charger


Pinout

Connection Diagram


Specifications

Supply Voltage (V+ ) (Transient) .............................. 20V
Supply Voltage (V+ ) (Operating).............................  18V
Input Voltage on Pins 1, 6, 7
(Note 2)............................ 0.3V < VIN < (V+ ) + 0.3V
Output Short-Circuit Duration
V+  10V .................................................... Indefinite
V+ 15V ........................................................  30 sec
V+ 20V ............................................. Not Protected
Power Dissipation............................................. 500mW
Operating Temperature Range
LTC1144C................................................0 to 70
LTC1144I............................................ 40 to 85
Storage Temperature Range................. 65 to 150
Lead Temperature (Soldering, 10 sec)..................300



Description

The LTC1144 is a monolithic CMOS switched-capacitor voltage converter. It performs supply voltage conversion from positive to negative from an input range of 2V to 18V,resulting in complementary output voltages of 2V to18V. Only two noncritical external capacitors are needed for the charge pump and charge reservoir functions.


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