LTC3114-1_15 Datasheet, PDF (27/34 Pages) Linear Technology – 40V, 1A Synchronous Buck-Boost DC/DC Converter with Programmable Output Current

LTC3114-1
TYPICAL APPLICATIONS
9V to 36V V_IN to 12V V_OUT Regulator
68nF
V_IN
9V TO 36V
10µF
33nF 20k
10µH
SW1
SW2
BST1
BST2
LTC3114-1
V_IN
PV_OUT
PV_IN
LDO
RUN
PLDO
PROG
MODE
GND
FB
VC
PGND
68nF
4.7µF
10nF
10pF 56.2k
INDUCTOR: WÜRTH 744 065 100
2M
182k
31141 TA02a
V_OUT
12V AT 1A, V_IN > 12V
44µF ^{12V AT 0.7A, VIN > 9V}
Efficiency vs Input Voltage
95
I_LOAD = 350mA
94
93
92
91
90
89
88
87
86
85
8 12 16 20 24 28 32 36 40
INPUT VOLTAGE (V)
31141 TA02b
Load Step Response
LOAD CURRENT
500mA/DIV
V_OUT
200mV/DIV
V_IN = 15V
100mA to 700mA
1ms/DIV
31141 TA02c
For more information www.linear.com/LTC3114-1
31141fa
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