Datasheet

LTC3536
28
3536fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2011
LT 1111 REV A • PRINTED IN USA
relaTeD parTs
Typical applicaTion
Backup Power Supply
SW1
V
IN
SW2
V
OUT
FB
10µF
V
SUPERCAP
1.8V TO 5.5V
VC
LTC3536
4.7µH*
49.9k
866k
100k
330pF
10pF
MODE/SYNC
SHDN
RT
182k
6.04k
*COILCRAFT XFL4020
PWM BURST
6.49k
845k R2
R1
20k
20k
GND
VH UV
OV
VL
DIS
LTC2912-2
GND TMR
V
CC
22µF
V
SYS
3.3V
300mA FOR V
IN
≥ 1.8V
1A FOR V
IN
≥ 3V
0.1µF
47pF
C
RT
3536 TA04
MAIN POWER
12V
DC/DC
PART NUMBER DESCRIPTION COMMENTS
LTC3440 600mA (I
OUT
) 2MHz Synchronous Buck-Boost DC/DC Converter 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 2.5V, I
Q
= 25µA,
I
SD
≤ 1µA, 10-Lead MSOP and DFN Packages
LTC3442 1.2A (I
OUT
) 2MHz Synchronous Buck-Boost DC/DC Converter with
Programmable Burst Mode Operation
V
IN
: 2.4V to 5.5V, V
OUT
: 2.4 to 5.25V, I
Q
= 35µA, I
SD
≤ 1µA,
DFN Package
LTC3444 400mA (I
OUT
) 2MHz Synchronous Buck-Boost DC/DC Converter V
IN
: 2.75V to 5.5V, V
OUT
: 0.5 to 5V, I
Q
= 35µA, I
SD
≤ 1µA, DFN
Package
LTC3101 Wide V
IN
, Multi-Output DC/DC Converter and PowerPath™ Controller V
IN
: 1.8V to 5.5V, V
OUT
: 1.5V to 5.25V, I
Q
= 38µA, I
SD
≤ 15µA,
QFN Package
LTC3113 3A (I
OUT
), 2MHz Synchronous Buck-Boost DC/DC Converter V
IN
: 1.8V to 5.5V, V
OUT
: 1.8V to 5.25V, I
Q
= 30µA, I
SD
< 1µA,
DFN and TSSOP Packages
LTC3533 2A (I
OUT
), 2MHz Synchronous Buck-Boost DC/DC Converter V
IN
: 1.8V to 5.5V, V
OUT
: 1.8V to 5.25V, I
Q
= 40µA, I
SD
< 1QA,
DFN Package
LTC3534 7V, 500mA (I
OUT
), 1MHz Synchronous Buck-Boost DC/DC Converter 94% Efficiency, V
IN
: 2.4V to 7V, V
OUT
: 1.8V to 7V, I
Q
= 25µA,
I
SD
< 1µA, DFN and GN Packages
LTC3530 600mA (I
OUT
), 2MHz Synchronous Buck-Boost DC/DC Converter V
IN
: 1.8V to 5.5V, V
OUT
: 1.8V to 5.25V, I
Q
= 12µA, I
SD
< 2µA,
QFN Package
LTC3112 2.5A (I
OUT
), 15V Synchronous Buck-Boost DC/DC Converter V
IN
: 2.7V to 15V, V
OUT
: 2.5V to 14V, I
Q
= 40µA, I
SD
< 1µA,
DFN and TSSOP Packages
LTC3127 1A (I
OUT
), 1.2MHz Synchronous Buck-Boost DC/DC Converter with
Programmable Input Current Limit
96% Efficiency, V
IN
: 1.8V to 5.5V, V
OUT
: 1.8V to 5.25V, I
Q
= 30µA,
I
SD
< 4µA, DFN and MSOP Packages
LTC3780 High Efficiency, Synchronous, 4-Switch Buck-Boost Controller 98% Efficiency, V
IN
: 4V to 36V, V
OUT
: 0.8V < V
OUT
< 30V,
I
SD
= 55µA, SSOP and QFN Packages
LTC3785 10V, High Efficiency, Synchronous, No R
SENSE
™ Buck-Boost
Controller
96% Efficiency, V
IN
and V
OUT
: 2.7V to 10V, I
SD
= 15µA,
I
Q
= 86µA, QFN Package
LTC3789 High Efficiency, Synchronous, 4-Switch Buck-Boost Controller 98% Efficiency, V
IN
: 4V to 38V, V
OUT
: 0.8V < V
OUT
< 38V,
I
SD
= 40µA, SSOP and QFN Packages