LTC3536_15 Datasheet, PDF (28/28 Pages) Linear Technology – 1A Low Noise, Buck-Boost DC/DC Converter

LTC3536
Typical Application
Backup Power Supply
V_SUPERCAP
1.8V TO 5.5V
4.7µH*
10µF
SW1
V_IN
SW2
V_OUT
MODE/SYNC
LTC3536
SHDN
FB
100k
RT
VC
GND
*COILCRAFT XFL4020
300mA FOR V_IN ≥ 1.8V
1A FOR V_IN ≥ 3V _VSYS
3.3V
MAIN POWER
12V
DC/DC
6.49k
47pF
330pF
49.9k
10pF
22µF
845k
R2
182k _866k
6.04k
V_CC
VH
UV
VL
OV
LTC2912-2
R1
DIS
GND TMR
C_RT
PWM BURST
0.1µF
20k
20k
3536 TA04
Related Parts
PART NUMBER DESCRIPTION
LTC3440
600mA (I_OUT) 2MHz Synchronous Buck-Boost DC/DC Converter
LTC3442
LTC3444
1.2A (I_OUT) 2MHz Synchronous Buck-Boost DC/DC Converter with
Programmable Burst Mode Operation
400mA (I_OUT) 2MHz Synchronous Buck-Boost DC/DC Converter
LTC3101
Wide V_IN, Multi-Output DC/DC Converter and PowerPath™ Controller
LTC3113
3A (I_OUT), 2MHz Synchronous Buck-Boost DC/DC Converter
LTC3533
2A (I_OUT), 2MHz Synchronous Buck-Boost DC/DC Converter
LTC3534
7V, 500mA (I_OUT), 1MHz Synchronous Buck-Boost DC/DC Converter
LTC3530
600mA (I_OUT), 2MHz Synchronous Buck-Boost DC/DC Converter
LTC3112
2.5A (I_OUT), 15V Synchronous Buck-Boost DC/DC Converter
LTC3127
1A (I_OUT), 1.2MHz Synchronous Buck-Boost DC/DC Converter with
Programmable Input Current Limit
LTC3780
High Efficiency, Synchronous, 4-Switch Buck-Boost Controller
LTC3785
LTC3789
10V, High Efficiency, Synchronous, No R_SENSE™ Buck-Boost
Controller
High Efficiency, Synchronous, 4-Switch Buck-Boost Controller
COMMENTS
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
V_IN: 2.4V to 5.5V, V_OUT: 2.4 to 5.25V, I_Q = 35µA, I_SD ≤ 1µA,
DFN Package
V_IN: 2.75V to 5.5V, V_OUT: 0.5 to 5V, I_Q = 35µA, I_SD ≤ 1µA, DFN
Package
V_IN: 1.8V to 5.5V, V_OUT: 1.5V to 5.25V, I_Q = 38µA, I_SD ≤ 15µA,
QFN Package
V_IN: 1.8V to 5.5V, V_OUT: 1.8V to 5.25V, I_Q = 30µA, I_SD < 1µA,
DFN and TSSOP Packages
V_IN: 1.8V to 5.5V, V_OUT: 1.8V to 5.25V, I_Q = 40µA, I_SD < 1QA,
DFN Package
94% Efficiency, V_IN: 2.4V to 7V, V_OUT: 1.8V to 7V, I_Q = 25µA,
I_SD < 1µA, DFN and GN Packages
V_IN: 1.8V to 5.5V, V_OUT: 1.8V to 5.25V, I_Q = 12µA, I_SD < 2µA,
QFN Package
V_IN: 2.7V to 15V, V_OUT: 2.5V to 14V, I_Q = 40µA, I_SD < 1µA,
DFN and TSSOP Packages
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
98% Efficiency, V_IN: 4V to 36V, V_OUT: 0.8V < V_OUT < 30V,
I_SD = 55µA, SSOP and QFN Packages
96% Efficiency, V_IN and V_OUT: 2.7V to 10V, I_SD = 15µA,
I_Q = 86µA, QFN Package
98% Efficiency, V_IN: 4V to 38V, V_OUT: 0.8V < V_OUT < 38V,
I_SD = 40µA, SSOP and QFN Packages
28 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3536fa
LT 1111 REV A • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2011