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LTC3114HDHC-1#PBF
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P34
L
TC3114-1
28
31141fb
For more information
www
.linear
.com/L
TC3114-1
Typical applicaTions
6V to 40V V
IN
to 24V V
OUT
Regulator
Efficiency vs Load Current
12V V
IN
Synchronous Boost Operation with Inrush Current
Limiting at Start-Up and Output Disconnect in Shutdown
15µH
SW1
SW2
GND
PGND
BST1
68nF
4.7µF
10nF
10pF
33nF
INDUCTOR: WÜR
TH 744 066 150
D1: ON SEMI MBRS260T3G
39.2k
20k
86.6k
31141 TA03a
2M
68nF
BST2
V
IN
PV
OUT
PV
IN
LDO
PLDO
FB
RUN
10µF
V
IN
6V TO 40V
VC
PROG
MODE
22µF
V
OUT
24V A
T 1A, V
IN
> 24V
24V A
T 0.2A, V
IN
= 6V
L
TC3114-1
D1
OP
TIONAL
LOAD CURRENT (mA)
0.1
60
EFFICIENCY (%)
65
70
75
80
1
10
1000
100
31141 TA03b
55
50
45
40
85
95
90
V
IN
= 12V
INPUT CURRENT
1A/DIV
RUN PIN
2V/DIV
V
OUT
10V/DIV
10ms/DIV
31141 TA03c
L
TC3114-1
29
31141fb
For more information
www
.linear
.com/L
TC3114-1
Constant Current/Constant Voltage Lead-Acid Battery Charger
6.8µH
SW1
SW2
GND
PGND
BST1
68nF
D1
4.7µF
10nF
56.2k
164k
NTC: VISHA
Y NTCS0603E3683 HT 68k NOMINAL AT 25°C
INDUCTOR: COILCRAF
T MSS1048-682NL
D1, D2: ON SEMI MBRS260T3G
TEMPERA
TURE
COMPENSA
TION
1A CONST
ANT CHARGING
CURRENT WHEN BELOW
FLOA
T LEVEL
220k
NTC
68k
31141 TA04a
2M
24.9k
33nF
68nF
BST2
V
IN
PV
OUT
PV
IN
LDO
PLDO
FB
RUN
10µF
V
IN
2.7V TO 40V
VC
PROG
MODE
44µF
6-CELL
LEAD-ACID
BA
TTER
Y
L
TC3114-1
+
–30°C
0°C
25°C
50°C
14.5V
14.03V
13.8V
13.48V
V
B
AT
T
FLOA
T LEVEL
D2
OP
TIONAL
Typical applicaTions
L
TC3114-1
30
31141fb
For more information
www
.linear
.com/L
TC3114-1
Typical applicaTions
Constant Current High Brightness LED Driver
Efficiency vs Input Voltage, 350mA Drive Current
15µH
SW1
SW2
GND
PGND
BST1
68nF
D1
4.7µF
0.47µF
31.6k
71.5k
31141 TA05a
1M
R1
71.5k
3.3nF
68nF
BST2
V
IN
PV
OUT
PV
IN
LDO
PLDO
FB
RUN
10µF
V
IN
9V TO 40V
500mA: R1 = 49.9k
350mA: R1 = 71.5k
ADJUST R1 FOR DIMMING
VC
PROG
MODE
44µF
CONST
ANT CURRENT DOWN
TO 2V
VOL
T
AGE DIVIDER LIMITS V
OUT
TO 15V IN CASE OF OPEN LED
500mA CONST
ANT CURRENT
, V
IN
> 11V
350mA CONST
ANT CURRENT
, V
IN
> 9V
L
TC3114-1
INDUCTOR: WÜR
TH 744 066 150
D1, D2: ON SEMI MBRS260T3G
D2
OP
TIONAL
INPUT VOLTAGE (V)
8
85
EFFICIENCY (%)
86
88
89
90
95
92
16
24
28
31141 TA05b
87
93
94
91
12
20
32
36
40
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P34
LTC3114HDHC-1#PBF
Mfr. #:
Buy LTC3114HDHC-1#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 40V, 1A Sync. Buck-Boost Converter with Programmable Current Limit
Lifecycle:
New from this manufacturer.
Delivery:
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