LT8631
26
8631fa
For more information www.linear.com/LT8631
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LINEAR TECHNOLOGY CORPORATION 2015
LT 1116 REV A • PRINTED IN USA
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT8631
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
LT8620 65V, 2A, Synchronous Step-Down DC/DC,
Converter
V
IN
: 3.4V to 65V, V
OUT(MIN)
= 0.97V, I
Q
= 2.5μA, I
SD
< 1mA, MSOP-16E and
3mm × 5mm QFN Packages
LT3991 55V, 1.2A, Micropower Step-Down DC/DC,
Converter with I
Q
= 2.8μA
V
IN
: 4.2V to 55V, V
OUT(MIN)
= 1.20V, I
Q
= 2.8μA, I
SD
< 1μA, 3mm × 3mm DFN-10
and MSOP-10E Packages
LT8610 42V, 2.5A, Synchronous Micropower Step-Down
DC/DC, Converter with I
Q
= 2.5μA
V
IN
: 3.4V to 42V, V
OUT(MIN)
= 0.97V, I
Q
: 2.5µA, I
SD
: <1µA, TSSOP16E
LT8614 42V, 4A, Synchronous Micropower Step-Down DC/
DC, Converter with I
Q
= 1.7μA
V
IN
: 3.4V to 42V, V
OUT(MIN)
= 0.97V, I
Q
: 1.7µA, I
SD
: <1µA, QFN-18
LTC
®
3630A 76V, 500mA Synchronous Step-Down DC/DC
Converter
V
IN
: 4V to 76V, V
OUT(MIN)
= 0.8V, I
Q
= 12μA, I
SD
= 3μA, 3mm × 5mm DFN-16,
MSOP-16(12)E
LTC3637 76V, 1A Nonsynchronous Step-Down DC/DC
Converter
V
IN
: 4V to 76V, V
OUT(MIN)
= 0.8V, I
Q
= 12μA, I
SD
= 3μA, 3mm × 5mm DFN-16,
MSOP-16(12)E
LTC3638 140V, 250mA Synchronous Step-Down DC/DC
Converter
V
IN
: 4V to 140V, V
OUT(MIN)
= 0.8V, I
Q
= 12μA, I
SD
< 1mA, MSOP-16E Package
LTC3639 150V, 100mA Synchronous Step-Down Regulator V
IN
: 4V to 150V, V
OUT(MIN)
= 0.8V, I
Q
= 12μA, I
SD
= 1.4μA, MSOP-16(12)E
12V, 1A, Step-Down Converter
V
IN
LT8631
V
IN
V
OUT
2.2µF
47µH
1M
71.5k
0.1µF
10pF
2.2µF
19.6k
F
SW
= 500kHz
8631 TA10
EN/UV
PG
INTV
CC
RT
SYNC/MODE
BST
SW
IND
V
OUT
FB
TR/SS
47µF
1210
0.1µF
GND
