lt3505ems8e-trpbf Linear Technology Corporation, lt3505ems8e-trpbf Datasheet - Page 22

• Manufacturer Part Number: lt3505ems8e-trpbf
• Description: 1.2a, Step-down Switching Regulator In 3mm X 3mm Dfn
• Manufacturer: Linear Technology Corporation

LT3505
TYPICAL APPLICATIONS
22
13.5V TO 36V
4.2V TO 36V
ON OFF
ON OFF
3.3µF
V
V
IN
IN
1µF
*FOR CONTINUOUS OPERATION ABOVE 30V,
USE TWO 2k, 0.25W RESISTORS IN PARALLEL
V
SHDN
R
IN
T
V
SHDN
R
54.9k
IN
T
75.0k
LT3505
BOOST
GND
LT3505
750kHz, 3.3V Step-Down Converter
GND
1MHz, 12V Step-Down Converter
0.1µF
SW
BOOST
V
FB
C
100k
SW
FB
V
22pF
C
69.8k
70pF
CMDZ5235B
MBRM140
0.25W
15µH
1k*
0.1µF 10µH
6V
MBRM140
1N4148
71.5k
4.99k
1N4148
36.5k
11.3k
22pF
3505 TA05
68pF
10µF
V
12V
1A, V
1.1A, V
OUT
IN
3505 TA04
IN
> 16.5V
10µF
V
3.3V
1.1A, V
1.2A, V
> 20.5V
OUT
IN
IN
> 5V
> 8V
3505fc