20
LTC1435
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX
: (408) 434-0507
●
TELEX
: 499-3977
LT/GP 0896 7K • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1996
TYPICAL APPLICATION
U
Low Dropout 2.9V/3A Converter
PART NUMBER DESCRIPTION COMMENTS
LTC1142HV/LTC1142 Dual High Efficiency Synchronous Step-Down Switching Regulators Dual Synchronous, V
IN
≤ 20V
LTC1148HV/LTC1148 High Efficiency Sychronous Step-Down Switching Synchronous, V
IN
≤ 20V
Regulator Controllers
LTC1159 High Efficiency Synchronous Step-Down Switching Regulator Synchronous, V
IN
≤ 40V, For Logic Threshold FETs
LT
®
1375/LT1376 1.5A, 500kHz Step-Down Switching Regulators High Frequency, Small Inductor, High Efficiency
Switchers, 1.5A Switch
LTC1430 High Power Step-Down Switching Regulator Controller High Efficiency 5V to 3.3V Conversion at Up to 15A
LTC1436/LTC1436-PLL/ High Efficiency Low Noise Synchronous Step-Down Full-Featured Single Controller
LTC1437 Switching Regulators
LTC1438/LTC1439 Dual High Efficiency, Low Noise, Synchronous Step-Down Full-Featured Dual Controllers
Switching Regulators
LT1510 Constant-Voltage/ Constant-Current Battery Charger 1.3A, Li-Ion, NiCd, NiMH, Pb-Acid Charger
LTC1538-AUX Dual High Efficiency, Low Noise, Synchronous Step-Down 5V Standby in Shutdown
Switching Regulator
LTC1539 Dual High Efficiency, Low Noise, Synchronous Step-Down 5V Standby in Shutdown
Switching Regulator
RELATED PARTS
C
OSC
RUN/SS
I
TH
SFB
SGND
V
OSENSE
SENSE
–
SENSE
+
TG
BOOST
SW
V
IN
INTV
CC
BG
PGND
EXTV
CC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LTC1435
1000pF
C
C1
330pF
C
C2
51pF
100pF
R
C
10k
C
OSC
68pF
C
SS
0.1µF
+
4.7µF
CMDSH-3
0.1µF
M1
1/2 Si9925DY
M2
1/2 Si9925DY
LTC1435 • TA03
INTV
CC
+
C
IN
22µF
35V
× 2
MBRS140T3
L1
10µH
OPTIONAL:
CONNECT TO 5V
L1: SUMIDA CDRH125-10
R
SENSE
0.033Ω
R1
35.7k
1%
R2
24.9k
1%
+
C
OUT
100µF
10V
× 2
SGND
V
OUT
2.9V/3A
V
IN
3.5V TO 25V
100pF
