LT3682
24
3682f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2008
LT 1208 • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT1766 60V, 1.2A (I
OUT
), 200kHz, High Effi ciency Step-Down DC/DC
Converter
V
IN
= 5.5V to 60V, V
OUT(MIN)
= 1.2V, I
Q
= 2.5mA, I
SD
= 25µA,
TSSOP16E Package
LT1767 25V, 1.2A (I
OUT
), 1.2MHz High Effi ciency Step-Down DC/DC
Converter
V
IN
= 3V to 25V, V
OUT(MIN)
= 1.2V, I
Q
= 1mA, I
SD
< 6µA,
MS8E Package
LT1933 500mA (I
OUT
), 500kHz Step-Down DC/DC Converter V
IN
= 3.6V to 36V, V
OUT(MIN)
= 1.2V, I
Q
= 1.6mA, I
SD
< 1µA,
ThinSOT
TM
Package
LT1936 36V, 1.4A (I
OUT
), 500kHz High Effi ciency Step-Down DC/DC
Converter
V
IN
= 3.6V to 36V, V
OUT(MIN)
= 1.2V, I
Q
= 1.9mA, I
SD
< 1µA,
MS8E Package
LT1940 Dual 25A, 1.4A (I
OUT
), 1.1MHz, High Effi ciency Step-Down
DC/DC Converter
V
IN
= 3.6V to 25V, V
OUT(MIN)
= 1.2V, I
Q
= 3.8mA, I
SD
< 30µA,
TSSOP16E Package
LT1976/LT1967 60V, 1.2A (I
OUT
), 200kHz/500kHz, High Effi ciency Step-Down
DC/DC Converters with Burst Mode Operation
V
IN
= 3.3V to 60V, V
OUT(MIN)
= 1.2V, I
Q
= 100µA, I
SD
< 1µA,
TSSOP16E Package
LT3434/LT3435 60V, 2.4A (I
OUT
), 200kHz/500kHz, High Effi ciency Step-Down
DC/DC Converters with Burst Mode Operation
V
IN
= 3.3V to 60V, V
OUT(MIN)
= 1.2V, I
Q
= 100µA, I
SD
< 1µA,
TSSOP16 Package
LT3437 60V, 400mA (I
OUT
), Micropower Step-Down DC/DC Converter
with Burst Mode Operation
V
IN
= 3.3V to 60V, V
OUT(MIN)
= 1.25V, I
Q
= 100µA, I
SD
< 1µA,
3mm × 3mm DFN10 and TSSOP16E Packages
LT3480 36V with Transient Protection to 60V, 2A (I
OUT
), 2.4MHz, High
Effi ciency Step-Down DC/DC Converter with Burst Mode Operation
V
IN
= 3.6V to 38V, V
OUT(MIN)
= 0.78V, I
Q
= 70µA, I
SD
< 1µA,
3mm × 3mm DFN10 and MSOP10E Packages
LT3481 34V with Transient Protection to 36V, 2A (I
OUT
), 2.8MHz, High
Effi ciency Step-Down DC/DC Converter with Burst Mode Operation
V
IN
= 3.6V to 34V, V
OUT(MIN)
= 1.26V, I
Q
= 50µA, I
SD
< 1µA,
3mm × 3mm DFN10 and MSOP10E Packages
LT3493 36V, 1.4A (I
OUT
), 750kHz High Effi ciency Step-Down
DC/DC Converter
V
IN
= 3.6V to 36V, V
OUT(MIN)
= 0.8V, I
Q
= 1.9mA, I
SD
< 1µA,
2mm × 3mm DFN8 and MSOP8E Packages
LT3505 36V with Transient Protection to 40V, 1.4A (I
OUT
), 3MHz,
High Effi ciency Step-Down DC/DC Converter
V
IN
= 3.6V to 34V, V
OUT(MIN)
= 0.78V, I
Q
= 2mA, I
SD
= 2µA,
3mm × 3mm DFN6 Package
LT3508 36V with Transient Protection to 40V, Dual 1.4A (I
OUT
), 3MHz,
High Effi ciency Step-Down DC/DC Converter
V
IN
= 3.7V to 37V, V
OUT(MIN)
= 0.8V, I
Q
= 4.6mA, I
SD
= 1µA,
4mm × 4mm QFN24 and TSSOP16E Packages
LT3684 34V with Transient Protection to 36V, 2A (I
OUT
), 2.8MHz,
High Effi ciency Step-Down DC/DC Converter
V
IN
= 3.6V to 34V, V
OUT(MIN)
= 1.26V, I
Q
= 850mA, I
SD
< 1µA,
3mm × 3mm DFN10 and MSOP10E Packages
LT3685 36V with Transient Protection to 60V, Dual 2A (I
OUT
), 2.4MHz,
High Effi ciency Step-Down DC/DC Converter
V
IN
= 3.6V to 38V, V
OUT(MIN)
= 0.78V, I
Q
= 70mA, I
SD
< 1µA,
3mm × 3mm DFN10 and MSOP10E Packages
ThinSOT is a trademark of Linear Technology Corporation.
3682 TA05
LT3682
V
IN
V
C
0.22µF
10µF
536k
102k
L
4.7µH
V
OUT
5V
0.9A
V
IN
10V TO 16.5V
TRANSIENT TO 36V
2.2µF
13.3k
9.76k
680pF
BD
SW
RUN/SS BOOST
OFFON
R
T
PG
SYNC
DA
FB
GND PGND
D1
B140
f = 2MHz
5V, 2MHz Step-Down Converter
TYPICAL APPLICATIONS
