mp1517dr MPS, mp1517dr Datasheet - Page 10

• Manufacturer Part Number: mp1517dr
• Description: 3a, 25v, 1.1mhz Step-up Converter
• Manufacturer: MPS

MP1517 Rev. 1.4
9/21/2007
2.6V to 20V
OFF ON
V
IN
2.6V to 6V
OFF ON
Figure 3—Flash Circuit Driving 4 White LEDs (150mA Flash Current)
V
SS
10nF
IN
C4
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
10nF
C5
Figure 2—Driving 3 Strings of 6 White LEDs
15
4
3
15
4
3
SS
EN
BP
SGND
EN
SS
BP
SGND
MP1517
5, 13
© 2007 MPS. All Rights Reserved.
MP1517
5, 13
IN
www.MonolithicPower.com
8
IN
PGND
8
COMP
PGND
OLS
11, 12
SW
COMP
FB
11, 12
OLS
SW
FB
MP1517 – 3A, 25V, 1.1MHz STEP-UP CONVERTER
9, 10
16
1
7
9, 10
16
1
7
C3
47nF
MBR0540
C3
10nF
MBR0540
D1
ZXMN6A08E6TA
LEDs PER
UP TO 6
STRING
NMOS
Q1
MP1517_F03
V
GATE
OUT
MP1517_F02
10