MP3011 Ver la hoja de datos (PDF) - Monolithic Power Systems
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MP3011 Datasheet PDF : 8 Pages
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TM
MP3011 – 1X, 1.5X, 2X AUTO-ADJUST CHARGE PUMP 2 WHITE LED DRIVER
TYPICAL PERFORMANCE CHARACTERISTICS
Voltage Ripple
in 1.5x Mode
2 x 40mA LEDs
VBATT
20mV/div.
VLEDC
20mV/div.
Startup in 1.5x Mode
2 x 40mA LEDs (40mA each)
VEN
5V/div.
400ns/div.
MP3011_TPC01
Startup in 1x Mode
2 x 40mA LEDs (40mA each)
VEN
5V/div.
IBATT
100mA/div.
MP3011_TPC02
Analog Dimming
Circuit of Figure 3, VBATT = 3.6V
32
28
24
20
16
12
8
4
0
0
1
2
3
DC VOLTAGE (V)
MP3011_TPC04
IBATT
100mA/div.
MP3011_TPC03
LED Current Matching
24
22
LED2
20
LED1
18
16
14
12
2.5
3.0 3.5 4.0 4.5
SUPPLY VOLTAGE (V)
MP3011_TPC05
MP3011 Rev. 1.1
www.MonolithicPower.com
3
10/31/2005
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
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