LTC3114-1_15 Datasheet, PDF (28/34 Pages) Linear Technology – 40V, 1A Synchronous Buck-Boost DC/DC Converter with Programmable Output Current

LTC3114-1
TYPICAL APPLICATIONS
6V to 40V V_IN to 24V V_OUT Regulator
15µH
68nF
V_IN
6V TO 40V
10µF
33nF 20k
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 39.2k
INDUCTOR: WÜRTH 744 066 150
2M
86.6k
31141 TA03a
V_OUT
24V AT 1A, V_IN > 24V
22µF ^{24V AT 0.2A, VIN = 6V}
Efficiency vs Load Current
95
90 ^{VIN = 12V}
85
80
75
70
65
60
55
50
45
40
0.1
1
10
100
LOAD CURRENT (mA)
1000
31141 TA03b
12V V_IN Synchronous Boost Operation with Inrush Current
Limiting at Start-Up and Output Disconnect in Shutdown
RUN PIN
2V/DIV
INPUT CURRENT
1A/DIV
V_OUT
10V/DIV
10ms/DIV
31141 TA03c
28
For more information www.linear.com/LTC3114-1
31141fa