lt3505ems8e-trpbf Linear Technology Corporation, lt3505ems8e-trpbf Datasheet - Page 21

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

TYPICAL APPLICATIONS
3.6V TO 25V
CMPZ5240B
CMPZ5242B
6V TO 36V
ON OFF
ON OFF
10V
12V
V
V
IN
IN
2.2µF
1.5M
698k
1µF
V
SHDN
R
V
SHDN
R
IN
T
IN
T
44.2k
20.0k
LT3505
BAT54
LT3505
GND
GND
BOOST
BOOST
SW
FB
V
SW
FB
V
C
C
60.4k
100k
120pF
22pF
0.1µF 4.7µH
0.1µF 3.3µH
MBRM140
MBRM140
2.2MHz, 3.3V Step-Down Converter
1.2MHz, 1.8V Step-Down Converter
1N4148
26.1k
20.0k
36.5k
11.3k
22pF
68pF
3505 TA02
3505 TA03
10µF
22µF
V
3.3V
V
1.8V
1.2A
OUT
OUT
2.50
2.25
2.00
1.75
1.50
1.25
0.75
0.50
0.25
0.00
1.40
1.20
0.80
0.60
0.40
0.00
1.60
1.00
0.20
1.0
0
5
10
5
15
Switching
Frequency
Maximum
Load Current
INPUT VOLTAGE (V)
Input Voltage [V]
10
20
25
15
LT3505
Switching
Frequency
Maximum
Load Current
30
20
LTC3505 • TA02b
21
LT3505 • TA03b
35
3505fc
40
25