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參數(shù)資料
| 型號： | MP1519L |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1x, 1.5x, 2x High Efficiency Charge Pump 3 White LED Driver |
| 中文描述： | 1倍，1.5倍，2倍高效充電泵白光LED驅動器3 |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 249K |
| 代理商： | MP1519L |
MP1519L – 1X, 1.5X, 2X CHARGE PUMP 3 WHITE LED DRIVER
MP1519L Rev. 1.3
7/27/2006
www.MonolithicPower.com
7
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
LEDC
Do not drive or force LEDC as it may be
shorted to ground or may be pumped down by
the controller in the MP1519L at any time.
Excessive capacitance on the LEDC node can
cause the internal controller to time out before
the charge pump can be ready. Missing the
timeouts will cause excessive pumping and a
loss of efficiency. The MP1519L requires C1
and C2 be of the same value and type.
TYPICAL APPLICATION CIRCUIT
MP1519L
C1A
C1B
C2A
C2B
LED1
LED2
LED3
BATT
EN
RADJ
GND
LEDC
GND
ENABLE
BATT
LED3
LED2
LED1
V
DC
0V to 3V
4
7
6
9
14
15
16
5, 13
12
11
3, 10
8
Figure 3—Analog Dimming Circuit
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