Related Parts - Linear Technology LTC1736 Datasheet

LTC1736
TYPICAL APPLICATIO
12A Converter with FCB Tied to PGOOD for CPU Power; Optimized for Output Voltages of 1.3V to 1.6V
C
OSC
47pF PGOOD
C 01.µF
SS
R 33k
C 330pF
C C1
C 47pF
C2
100k
INTV
CC
1000pF
47pF
C : 4-180µF/4V PANASONIC EEFUEOG181R (AS SHOWN)
OUT
3-470µF/6.3V KEMIT T51CX447M006AS (ALTERNATE)
1-820µF/4V SANYO 4SP820M + 1-180µF/4V PANASONIC EEFUE0G181R (ALTERNATE)
C : SANYO OS-CON 305C22M
IN
L1: PANASONIC ETQP6RZ1RZ0HFA

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Adaptive Power and No R are trademarks of Linear Technology Corporaton.
SENSE
Linear Technology Corporation
28
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear-tech.com
1 24
C TG
OSC
2
23
RUN/SS BOOST
3 22
I SW
TH
4 21
FCB LTC1736 V
IN
5
20
SGND INTV
CC
6 19
PGOOD BG
7
18
–
SENSE PGND
8 17
+
SENSE EXTV
CC
9 16
V VIDV
FB CC
10 15
V VID4
OSENSE
11 14
VID0 VID3
12
13
VID1 VID2
10Ω
10Ω
TM
Current Mode Synchronous Step-Down Controllers
SENSE
M1 +
FDS6680A
C 0.22µF
B
L1
1.2µH
D
B
CMDSH-3
+
1µF
M2
4.7µF
FDS6680A
× 2
OPTIONAL:
CONNECT
TO 5V
OUTPUT VOLTAGE
PROGRAMMING
V
IN
4.75V TO 24V
C
IN
22µF/30V
× 2
OS-CON
R
SENSE
0.004Ω V
1.35V TO 1.6V
12A
+
C
OUT
180µF/4V
D1
× 4
MBRS340T3
SGND
1736 TA02
COMMENTS
100% DC, Burst Mode Operation, SO-8
100% DC, Burst Mode Operation, V
100% DC, Std Threshold MOSFETs, V
100% DC, Logic Level MOSFETs, V
100% DC, Burst Mode Operation, 14-Pin SO
High Efficiency, Constant Frequency, SO-8
Burst Mode Operation, 16-Pin Narrow SO
TM
Mode, 20-Pin/24-Pin SSOP
I = 10µA, 100% DC, 8-Pin MSOP
Q
Up to 97% Efficiency, Burst Mode Operation,
16-Pin SSOP
Antiphase Drive, 28-Pin SSOP Package
5-Bit, Mobile VID On Output 1, No R
Burst Mode Operation, 16-Pin Narrow SSOP
Output Fault Protection, 16-Pin SSOP and SO-8
1736f LT/TP 1299 4K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1999
OUT
< 20V
IN
< 48V
IN
< 40V
IN
SENSE