MP1541 – 1.3MHz BOOST CONVERTER
TYPICAL APPLICATION CIRCUITS
V
IN
5V
D1
MBR0520L
V
OUT
12V
200mA
5
OFF ON
4
2
IN
EN
GND
1
SW
C3
100pF
3
MP1541
FB
MP1541-F02-TBC01
Figure 2—V
IN
= 5V, V
OUT
= 12V, I
OUT
= 200mA Boost Circuit
V
IN
3V to 5.5V
D1
MBR0520
LED1
LED2
5
OFF ON
4
2
IN
EN
GND
1
SW
LED3
3
MP1541
FB
FLASH
Q1
ZXMN2A03E6TA
MP1541-F03-TAC01
Figure 3—Typical Application Circuit for Driving Flashlight LEDs
(20mA Torch Current, 100mA Flash Current)
MP1541Rev.1.3
3/20/2006
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