Datasheet

LT3692
36
3692fa
For more information www.linear.com/3692
 LINEAR TECHNOLOGY CORPORATION 2011
LT 0313 REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com/3692
relaTeD parTs
Typical applicaTion
1.2MHz, 12V to 3.3V at 3A, 5V at 3A
BST1
SW1
V
OUT1
CMPI1
CMPO1
SS1
ILIM1
V
C1
RT/SYNC
DIV
FB1
IND1
SW2
V
OUT2
CMPI2
CMPO2
SS2
ILIM2
V
C2
CLKOUT
T
J
FB2
IND2
0.22µF
4.7µF
4.7µF
47µF
24.9k100pF
0.1µF
33pF
330pF 330pF
0.1µF
8.06k
8.06k
100pF 22µF
PG
42.2k24.9k
33pF
0.1µF
3692 TA09
30.1k49.9k
CLOCKOUT
1.2MHz
120k120k
V
IN
12V
V
OUT1
3.3V 3A
1.2MHz
PG1
2.2µH
BST2
SHDN1 SHDN2
V
IN1
LT3692
GND
V
IN2
0.22µF
42.2k
100k100k
V
OUT2
5V 3A
1.2MHz
2.2µH
PART DESCRIPTION COMMENTS
LT3507 36V, Triple 2.4A, 1.4A and 1.4A (I
OUT
), 2.5MHz, High Efficiency Step-Down
DC/DC Converter with LDO Controller
V
IN
: 4V to 36V, V
OUT(MIN)
= 0.8V, I
Q
= 7mA, I
SD
= 1µA,
(5mm × 7mm) QFN-38
LT3508 36V with T
ransient Protection to 40V, Dual 1.4A (I
OUT
), 3MHz, High Efficiency
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) QFN-24, TSSOP-16E
LT3680 36V
, 3A, 2.4MHz High Efficiency Micropower Step-Down DC/DC Converter V
IN
: 3.6V to 36V, V
OUT(MIN)
= 0.8V, I
Q
= 75µA, I
SD
< 1µA,
(3mm × 3mm) DFN-10, MSOP-10E
LT3693 36V
, 3A, 2.4MHz High Efficiency Step-Down DC/DC Converter V
IN
: 3.6V to 36V, V
OUT(MIN)
= 0.8V, I
Q
= 1.3mA, I
SD
< 1µA,
(3mm × 3mm) DFN-10, MSOP-10E
LT3480 36V with T
ransient Protection to 60V, 2A (I
OUT
), 2.4MHz, High Efficiency
Step-Down DC/DC Converter with Burst Mode
®
Operation
V
IN
: 3.6V to 38V, Transients to 60V, V
OUT(MIN)
= 0.78V,
I
Q
= 70µA, I
SD
< 1µA, (3mm × 3mm) DFN-10, MSOP-10E
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, Transients to 80V, V
OUT(MIN)
= 0.79V,
I
Q
= 75µA, I
SD
< 1µA, (3mm × 4mm) DFN-16, MSOP-16E
LT3971 38V, 1.2A (I
OUT
), 2MHz, High Efficiency Step-Down DC/DC Converter with
Only 2.8µA of Quiescent Current
V
IN
: 4.2V to 38V, V
OUT(MIN)
= 1.2V, I
Q
= 2.8µA, I
SD
< 1µA,
(3mm × 3mm) DFN-10, MSOP-10E
LT3991 55V
, 1.2A (I
OUT
), 2MHz, High Efficiency Step-Down DC/DC Converter with
Only 2.8µA of Quiescent Current
V
IN
: 4.2V to 55V, V
OUT(MIN)
= 1.2V, I
Q
= 2.8µA, I
SD
< 1µA,
(3mm × 3mm) DFN-10, MSOP-10E