MP1519 MPS, MP1519 Datasheet - Page 3

• Manufacturer Part Number: MP1519
• Description: High Efficiency Charge Pump 4 White LED Driver
• Manufacturer: MPS

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