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AAT3157

High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications

Analog Technology Inc 

AAT3157

High Efficiency 1X/1.5X/2X Charge Pump

For White LED Applications

Absolute Maximum Ratings1

Symbol

VIN

VEN/SET

IOUT2

TJ

TLEAD

Description

Input Voltage to GND

EN/SET Voltage to GND

Maximum DC Output Current

Operating Junction Temperature Range

Maximum Soldering Temperature (at leads, 10 sec)

Value

-0.3 to 6

-0.3 to VIN + 0.3

150

-40 to 150

300

Units

V

V

mA

°C

°C

Thermal Information3

Symbol

PD

θJA

Description

Maximum Power Dissipation4

Maximum Thermal Resistance

Value

0.625

160

Units

W

°C/W

1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at condi-

tions other than the operating conditions specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.

2. Based on long-term current density limitation.

3. Mounted on an FR4 board.

4. Derate 6.25mW/°C above 25°C.

3157.2006.05.1.2

3

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