LTC1174
LTC1174-3.3/LTC1174-5
U
TYPICAL APPLICATIO
Battery Charger
INPUT VOLTAGE
8V TO 12.5V
V
(V)
I
8
9
10
11
12
(mA)
IN
OUT MAX
320
+
22µF*
20V
* AVX TAJD226K020
** AVX TAJD107K010
D1,D2 = MBRS140T3
(SURFACE MOUNT)
1N5818
6
0.1µF
325
V
IN
×2
8
1
5
330
7
I
SHUTDOWN
PGM
335
335
† L1 SELECTION
3
2
LB
LB
V
FB
IN
D2
MANUFACTURER
PART NO.
TYPE
LTC1174
V
OUT
TO
SW
COILTRONICS
COILCRAFT
SUMIDA
CTX50-2P
DT3316-473
CD54-470
GA10-472K
SURFACE MOUNT
SURFACE MOUNT
SURFACE MOUNT
THROUGH HOLE
OUT
4 NiCAD BATTERY
L1†
50µH
150k
GND
4
+
100µF**
10V
GOWANDA
D1
33k
1174 TA15
RELATED PARTS
PART NUMBER
LT®1074/LT1076
LTC1147
DESCRIPTION
Step-Down Switching Regulator
High Efficiency Step-Down DC/DC Controller
COMMENTS
100kHz, 5A (LT1074) or 2A (LT1076) Monolithic
8-Pin Controller
LTC1265
1.2A High Efficiency Step-Down DC/DC Regulator
1.5A 500kHz Step-Down Switching Regulator
High Efficiency Step-Down DC/DC Regulator
Inverting 1.4MHz Switching Regulator in SOT-23
1MHz Step-Down DC/DC Converter in SOT-23
High Efficiency Synchronous Step-Down Regulator
Burst Mode Operation, Monolithic
High Frequency Small Inductor
LTC1174 with Internal Schottky Diode
LT1375/LT1376
LTC1574
LT1611
–5V at 150mA from 5V Input, 1mV Output Ripple, SOT-23 Package
P-P
LTC1701
V
V
= 2.5V to 5.5V, I = 135µA, V
= 5V to 1.25V
OUT
IN
Q
LTC1707
= 2.85 to 8.5V, Selectable Burst Mode Operation,
IN
600mA Output Current, SO-8 Package
LTC1877
High Efficiency Synchronous Step-Down Regulator
600mA at V = 5V, 2.65V to 10V = V , I = 10µA
IN
IN Q
1174fe
LT 1006 REV E • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
20
●
●
© LINEAR TECHNOLOGY CORPORATION 1994
(408) 432-1900 FAX: (408) 434-0507 www.linear.com