LTC1435 Linear Technology, LTC1435 Datasheet - Page 17

• Manufacturer Part Number: LTC1435
• Description: High Efficiency Low Noise Synchronous Step-Down Switching Regulator
• Manufacturer: Linear Technology

TYPICAL APPLICATIONS
100pF
10k
R
C
51pF
100pF
C
C2
10k
R
C
51pF
C
C2
1000pF
T1: DALE LPE6562-A092
0.1 F
C
SS
10k
1000pF
C
510pF
C
68pF
0.1 F
C1
C
OSC
SS
INTV
C
330pF
C
68pF
C1
OSC
CC
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
C
RUN/SS
I
SFB
SGND
V
SENSE
SENSE
90.9k
TH
OSC
OSENSE
C
RUN/SS
I
SFB
SGND
V
SENSE
SENSE
TH
OSC
OSENSE
–
+
–
+
U
LTC1435
LTC1435
100
100
3.3V/4.5A Converter with Foldback Current Limiting
EXTV
INTV
BOOST
EXTV
PGND
INTV
BOOST
PGND
Dual Output 5V and 12V Application
SW
V
TG
BG
CC
CC
IN
SW
V
TG
BG
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
CMDSH-3
4.7 F
4.7 F
0.1 F
5.4V TO 28V
0.1 F
4.5V TO 28V
V
IN
V
IN
M1
IRF7403
M2
IRF7403
M1
Si4410DY
M2
Si4410DY
10 H
1:2.2
T1
10 H
+
MBRS140T3
L1
MBRS1100T3
MBRS140T3
C
22 F
35V
IN
+
2
C
22 F
35V
R
0.033
IN
2
SENSE
R
0.025
100pF
SENSE
+
R1
35.7k
1%
R2
20k
1%
R1
35.7k
1%
R2
20k
1%
C
3.3 F
25V
IN4148
SEC
SGND
+
(PIN 5)
SGND
LTC1435 • TA02
+
C
100 F
10V
V
5V/3.5A
OUT
OUT
2
LTC1435 • TA01
24V
LTC1435
C
100 F
10V
V
3.3V/4.5A
I
TH
OUT
OUT
2
PIN 3
V
12V
OUT2
17