LT3995
24
3995f
For more information www.linear.com/LT3995
LINEAR TECHNOLOGY CORPORATION 2013
LT 0513 • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
LT3975 42V, 2.5A, 2MHz High Efficiency Micropower Step-Down DC/DC
Converter with I
Q
= 2.7µA
V
IN
: 4.3V to 40V, V
OUT(MIN)
= 1.2V, I
Q
= 2.8µA, I
SD
< 1µA,
MSOP-16E Package
LT3976 40V, 5A, 2MHz High Efficiency Micropower Step-Down DC/DC
Converter with I
Q
= 3.3µA
V
IN
: 4.3V to 40V, V
OUT(MIN)
= 1.2V, I
Q
= 2.8µA, I
SD
< 1µA,
MSOP-16E Package
LT3970 40V, 350mA, 2.2MHz High Efficiency Micropower Step-Down
DC/DC Converter with I
Q
= 2.5µA
V
IN
: 4.2V to 40V, V
OUT(MIN)
= 1.21V, I
Q
= 2.5µA, I
SD
< 1µA,
3mm × 2mm DFN-10, MSOP-10 Packages
LT3990 62V, 350mA, 2.2MHz High Efficiency Micropower Step-Down
DC/DC Converter with I
Q
= 2.5µA
V
IN
: 4.2V to 62V, V
OUT(MIN)
= 1.21V, I
Q
= 2.5µA, I
SD
< 1µA,
3mm × 2mm DFN-10, MSOP-10 Packages
LT3971 38V, 1.2A, 2.2MHz High Efficiency Micropower Step-Down
DC/DC Converter with I
Q
= 2.8µA
V
IN
: 4.3V to 38V, V
OUT(MIN)
= 1.2V, I
Q
= 2.8µA, I
SD
< 1µA,
3mm × 3mm DFN-10, MSOP-10E Packages
LT3991 55V, 1.2A, 2.2MHz High Efficiency Micropower Step-Down
DC/DC Converter with I
Q
= 2.8µA
V
IN
: 4.3V to 55V, V
OUT(MIN)
= 1.2V, I
Q
= 2.8µA, I
SD
< 1µA,
3mm × 3mm DFN-10, MSOP-10E Packages
LT8611 42V, 2.5A, 96% Efficiency, 2.2MHz Synchronous Micropower
Step-Down DC/DC Converter with I
Q
= 2.5µA and Input/Output
Current Limit/Monitor
V
IN
: 3.4V to 42V, V
OUT(MIN)
= 0.985V, I
Q
= 2.5µA, I
SD
< 1µA,
3mm × 5mm QFN-24 Package
LT8610 42V, 2.5A, 96% Efficiency, 2.2MHz Synchronous Micropower
Step-Down DC/DC Converter with I
Q
= 2.5µA and Input/Output
Current Limit/Monitor
V
IN
: 3.4V to 42V, V
OUT(MIN)
= 0.985V, I
Q
= 2.5µA, I
SD
< 1µA,
MSOP-16E Package
LT3480 36V with Transient Protection to 60V, 2A (I
OUT
), 2.4MHz, High
Efficiency Step-Down DC/DC Converter with Burst Mode Operation
V
IN
: 3.6V to 36V Transient to 60V, V
OUT(MIN)
= 0.78V, I
Q
= 70µA,
I
SD
< 1µA, 3mm × 3mm DFN-10, MSOP-10E Packages
LT3980 58V with Transient Protection to 80V, 2A (I
OUT
), 2.4MHz, High
Efficiency Step-Down DC/DC Converter with Burst Mode Operation
V
IN
: 3.6V to 58V Transient to 80V, V
OUT(MIN)
= 0.78V, I
Q
= 85µA,
I
SD
< 1µA, 3mm × 4mm DFN-16, MSOP-16E Packages
5V, 2MHz Step-Down Converter with Power Good
V
IN
EN
BOOST
OFF ON
V
IN
5.9V TO 16V
TRANSIENT
TO 60V)
0.47µF
47µF
1210
3995 TA04
10nF
4.7µF
316k
150k
f = 2MHz
14.7k
V
OUT
5V
3A
PGOOD
2.2µH
LT3995
SS
RT
SW
OUT
PG
FB
SYNC GND
1M
10pF
PDS360
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT3995