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LTC3104IDE#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22
LTC3104
16
3104fa
For more information www.linear.com/LTC3104
TYPICAL APPLICATIONS
Dual Lithium-Ion to 2.5V/300mA Regulator with 1.8V /10mA LDO
V
IN
C
BST
22nF
C
FF
22pF
BST
5V TO 9V
ON
OFF
RUN
SW
RUNLDO
MODE
V
CC
PGOOD
FBLDO
V
INLDO
V
LDO
FB
LTC3104
GND
R3
412k
L1: TDK VLCF4018T
L1
6.8µH
2.5V
300mA
1.8V
10mA
R2
931k
3104 TA02a
C
OUT
47µF
C
LDO
4.7µF
C1
1µF
C
IN
10µF
R4
825k
R1
294k
ON
OFF
Efficiency vs Output Current
LOAD CURRENT (A)
80
EFFICIENCY (%)
90
100
70
85
95
0.0001 0.01 0.1
1
3104 TA02b
60
75
65
0.001
V
IN
= 5V
V
IN
= 9V
LTC3104
17
3104fa
For more information www.linear.com/LTC3104
12V to 3.3V/300mA Regulator with Accurate 5V UVLO,
Forced Continuous Operation and Independently Powered LDO
Start-Up with Ramped Input
Power into 100mA Load on V
OUT
V
IN
C
BST
22nF
BST
V
IN
12V
RUN
SW
RUNLDO
MODE
V
CC
PGOOD
PGOOD
FBLDO
V
INLDO
V
LDO
FB
LTC3104
GND
R3
665k
L1: WÜRTH 744031100
L1
10µH
3.3V
300mA
2.2V
10mA
V
INLDO
2.5V TO 12V
R2
2M
3104 TA03a
C
OUT
10µF
C
LDO
4.7µF
C2
10µF
C1
1µF
C
IN
10µF
R4
1.78M
1M
R1
442k
R6
1.47M
R5
280k
ON
OFF
C
FF
10pF
V
LDO
3V/DIV
V
OUT
2V/DIV
V
IN
20V/DIV
I
L
100mA/DIV
1ms/DIV
3104 TA03b
SOFT-START
FOLDBACK PERIOD
TYPICAL APPLICATIONS
LTC3104
18
3104fa
For more information www.linear.com/LTC3104
TYPICAL APPLICATIONS
Solar-Powered 2.2V Supply and 1.8V LDO with Li Battery Backup and Run Threshold Set to Battery Minimum Voltage
V
IN
C
BST
22nF
BST
RUN
3.2V RUN
THRESHOLD
SW
RUNLDO
MODE
V
CC
PGOOD
FBLDO
V
INLDO
V
LDO
FB
LTC3104
GND
R3
412k
L1: COILCRAFT LPS4018
L1
15µH
2.2V
1.8V
R2
1.78M
C
FF1
22pF
3104 TA04a
C
OUT
47µF
C
LDO
4.7µF
C1
1µF
C
IN
10µF
R4
825k
R7
1.78M
R1
665k
R6
3.09M
SDM20E40C
R5
715k
C
BULK
100µF
3.6V TADIRAN
AA LITHIUM
BATTERY
4.8V, 0.6W
SOLAR PANEL
MPT4.8-150
(6.5VOC)
+
+
+
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LTC3104IDE#PBF

Mfr. #:
Buy LTC3104IDE#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 300mA, 15V Step-Down DC/DC Converter with Ultralow Quiescent Current and 10mA LDO
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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