LTC1430A Linear Technology, LTC1430A Datasheet - Page 24

• Manufacturer Part Number: LTC1430A
• Description: High Power Step-Down Switching Regulator Controller
• Manufacturer: Linear Technology

RELATED PARTS
PART NUMBER
LTC1142
LTC1148
LTC1149
LTC1159
LTC1266
LTC1267
LTC1649
LTC1430A
TYPICAL
24
SHDN
0.068 F
C1
0.1 F
C3
220pF
C11
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
R7
15k
R10
3.3k
A
R8
130k
DESCRIPTION
Current Mode Dual Step-Down Switching Regulator Controller
Current Mode Step-Down Switching Regulator Controller
Current Mode Step-Down Switching Regulator Controller
Current Mode Step-Down Switching Regulator Controller
Current Mode Step-Up/Down Switching Regulator Controller
Current Mode Dual Step-Down Switching Regulator Controller
3.3V Input Synchronous Switching Regulator Controller
PPLICATI
22 F
C6
0.01 F
35V
C8
+
R4
51
C7
0.1 F
O
U
15
14
11
12
10
8
9
4
PV
V
FSET
I
SHDN
COMP
SS
SGND
10k
R6
MAX
CC
CC2
LTC1430A
– SENSE
+SENSE
PV
PGND
CC1
G1
I
G2
FB
FB
2
1
13
16
3
5
7
6
GTL Terminator
C10
1 F
3
MBR0530T1
R2
3
R3
D1
R1
1k
Si4410
C16
0.1 F
Q2
Q1
Si4410
D2
MBRS340T3
2.7 H
680pF
L1
COMMENTS
Dual Version of LTC1148
Synchronous, V
Synchronous, V
Synchronous, V
Synchronous N- or P-Channel FETs, Comparator/
Low-Battery Detector
Dual Version of LTC1159
3.3V Input
C2
D1
MBRS340T3
+
C4
330
6.3V
OSCON
R5
16.5k
1%
R9
88.7k
1%
1430af, 1430afs LT/TP 0898 4K • PRINTED IN USA
+
IN
IN
IN
+
LINEAR TECHNOLOGY CORPORATION 1998
OSCON
20V
48V, For Standard Threshold FETs
40V, For Logic Threshold FETs
C5
330
6.3V
OSCON
C12
330
6.3V
OSCON
6.3V
C13
330
+
+
5V
330
6.3V
TANT
1.5V OUT
ADDITIONAL
DECOUPLING
AT THE LOAD
+
1430 TA03
330
6.3V
TANT