LTC3114-1_15 Datasheet, PDF (34/34 Pages) Linear Technology – 40V, 1A Synchronous Buck-Boost DC/DC Converter with Programmable Output Current

LTC3114-1
TYPICAL APPLICATION
Wide V_IN Range 5V, 1A Regulator with Bootstrapped LDO and Custom UVLO Threshold
68nF
V_IN
3.75V TO 40V
ON: V_IN > 4V
OFF: V_IN < 3.75V
10µF _1.4M
604k
10nF
20k
6.8µH
SW1
SW2
BST1
BST2
LTC3114-1
V_IN
PV_OUT
PV_IN
LDO
RUN
PLDO
68nF
4.7µF
IMPROVES
EFFICIENCY
AT HIGH V_IN
BAT54
2M
V_OUT
5V AT 1A
30µF ^{VIN > 5V}
PROG
MODE
GND
FB
VC
PGND
4700pF
27.4k
499k
10pF
31141 TA06
INDUCTOR: WÜRTH 744 065 0068
RELATED PARTS
PART
NUMBER
LTC3534
LTC3112
LTC3115-1
LTC3785
LTC3789
LTM^®4605
LTC3129
LTC3129-1
DESCRIPTION
COMMENTS
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
2.5A (I_OUT), 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
40V, 2A Synchronous Buck-Boost DC/DC Converter
V_IN, V_OUT: 2.7V to 40V, I_Q = 30µA, I_SD = 3µA, DFN and TSSOP Packages
≤10A (I_OUT), High Efficiency, 1MHz Synchronous, No R_SENSE™ V_IN: 2.7V to 10V, V_OUT: 2.7V to 10V, I_Q = 86µA, I_SD < 15µA, QFN Package
Buck-Boost DC/DC Controller
Buck-Boost DC/DC Controller
96% Efficiency, V_IN: 4.5V to 38V, V_OUT: 0.8V to 38V, 4mm × 5mm QFN and
SSOP Packages
4.5V to 20V, 10A Buck-Boost µModule^® Regulator
High Power Buck-Boost µModule Regulator
15.75V, 200mA Buck-Boost DC/DC Converter with 1.3µA I_Q
V_IN: 2.42V to 15.75V, V_OUT: 1.4V to 15V, I_Q = 1.3µA, I_SD = 10nA, DFN and
MS Packages
15.75V, 200mA Buck-Boost DC/DC Converter with 1.3µA I_Q
and Programmable Output Voltages
V_IN: 2.42V to 15.75V, V_OUT: Pin Programmable 2.5V to 15V, I_Q = 1.3µA,
I_SD = 10nA, DFN and MS Packages
34 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95_Fo0_r3_m5-_o7_re41_in7_{formation www.linear.com/LTC3114-1}
[phone] ^● FAX: [phone] ^● www.linear.com/LTC3114-1
31141fa
LT 1114 REV A • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2014