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MP1519 Datasheet(PDF) 3 Page - Monolithic Power Systems

Part No. MP1519
Description  1x, 1.5x, 2x High Efficiency Charge Pump 4 White LED Driver
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Maker  MPS [Monolithic Power Systems]
Homepage  http://www.monolithicpower.com
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MP1519 Datasheet(HTML) 3 Page - Monolithic Power Systems

   
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MP1519 – 1X, 1.5X, 2X CHARGE PUMP 4 WHITE LED DRIVER
MP1519 Rev. 1.9
www.MonolithicPower.com
3
7/27/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
TM
TYPICAL PERFORMANCE CHARACTERISTICS
VBATT
20mV/div.
VLEDC
20mV/div.
400ns/div.
Voltage Ripple
in 1.5x Mode
4 x 10mA LEDs
VEN
5V/div.
IBATT
100mA/div.
Startup in 1.5x Mode
4 x 10mA LEDs
Analog Dimming
Circuit of Figure 3, VBATT = 3.6V
VEN
5V/div.
IBATT
100mA/div.
Startup in 1x Mode
4 x 10mA LEDs
16
14
12
10
8
6
4
2
0
0123
DC VOLTAGE (V)
12
11
10
9
8
7
6
2.5
3.0
3.5
4.0
4.5
SUPPLY VOLTAGE (V)
LED Current Matching
LED1
LED2
LED3
LED4


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