LTC1435A Linear Technology, LTC1435A Datasheet - Page 17

• Manufacturer Part Number: LTC1435A
• Description: High Efficiency Low Noise Synchronous Step-Down Switching Regulator
• Manufacturer: Linear Technology

TYPICAL APPLICATIONS
100pF
10k
R
C
51pF
C
C2
100pF
10k
R
1000pF
C
51pF
C
0.1 F
C2
C
SS
11.3k
1%
C
470pF
C
68pF
C1
OSC
1000pF
0.1 F
C
SS
INTV
C
330pF
C
68pF
C1
OSC
CC
1
2
3
4
5
6
7
8
C
RUN/SS
I
SFB
SGND
V
SENSE
SENSE
1
2
3
4
5
6
7
8
TH
100k
OSC
OSENSE
1%
C
RUN/SS
I
SFB
SGND
V
SENSE
SENSE
TH
OSC
OSENSE
–
+
LTC1435A
U
–
+
100
100
LTC1435A
3.3V/4.5A Converter with Foldback Current Limiting
Dual Output 5V and Synchronous 12V Application
T1: DALE LPE6562-A236
EXTV
INTV
BOOST
PGND
SW
EXTV
V
BOOST
INTV
TG
BG
CC
CC
IN
PGND
SW
V
BG
TG
CC
CC
IN
16
15
14
13
12
11
10
9
16
15
14
13
12
11
10
9
+
OPTIONAL:
CONNECT TO 5V
CMDSH-3
+
4.7 F
CMDSH-3
4.7 F
0.1 F
0.1 F
5.4V TO 28V
4.5V TO 28V
V
V
IN
IN
M1
Si4412DY
M2
Si4412DY
M1
Si4410DY
M2
Si4410DY
+
10 H
+
L1
MBRS140T3
1:1.42
10 H
MBRS140T3
T1
C
22 F
35V
C
22 F
35V
IN
IN
2
2
R
0.033
SENSE
R
0.025
100pF
SENSE
+
0.01 F
1435A TA01
R1
35.7k
1%
R2
20k
1%
4.7k
R1
35.7k
1%
R2
20k
1%
C
3.3 F
35V
IN4148
SEC
SGND
+
(PIN 5)
SGND
IRLL014
+
C
100 F
10V
V
5V/3.5A
1435A TA04
OUT
OUT
2
LTC1435A
C
100 F
10V
V
3.3V/4.5A
I
OUT
TH
OUT
2
PIN 3
V
12V
120mA
OUT2
17