lt3503edcb-trpbf Linear Technology Corporation, lt3503edcb-trpbf Datasheet - Page 18

• Manufacturer Part Number: lt3503edcb-trpbf
• Description: 1a, 2.2mhz Step-down Switching Regulator In 2mm X 3mm Dfn
• Manufacturer: Linear Technology Corporation

LT3503
TYPICAL APPLICATIO S
18
3.6V TO 10V
20V MAX
ON OFF
3.6V TO 7.6V
20V MAX
V
ON OFF
3.6V TO 4V
IN
20V MAX
ON OFF
V
U
IN
V
IN
1µF
V
SHDN
IN
1µF
V
SHDN
LT3503
1µF
IN
GND
V
SHDN
IN
LT3503
BOOST
0.78V Step-Down Converter
GND
BAT54
1.8V Step-Down Converter
2.5V Step-Down Converter
LT3503
SW
GND
BAT54
FB
BOOST
BOOST
SW
FB
SW
FB
0.47µF 1.8µH
MBRM140
0.1µF 1.5µH
BAT54
MBRM140
0.1µF 1.0µH
MBRM140
22.1k
10k
26.1k
20k
22pF
120pF
3503 TA02
47µF
3503 TA04
10µF
V
0.78V
1.2A
V
2.5V
1A, V
1.2A, V
OUT
OUT
3503 TA03
22µF
IN
V
1.8V
1.2A
IN
> 4.5V
OUT
> 8.1V
3503f