LTC3104
22
3104fa
For more information www.linear.com/LTC3104
LINEAR TECHNOLOGY CORPORATION 2011
LT 0716 REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC3104
RELATED PARTS
TYPICAL APPLICATION
12V to 5V/300mA Regulator with High Efficiency, Ultralow I
Q
(2.8µA with V
OUT
in Regulation, No Load) and 1.8V/10mA LDO
V
IN
C
BST
22nF
BST
RUN
SW
RUNLDO
MODE
V
CC
PGOOD
FBLDO
V
INLDO
V
LDO
FB
LTC3104
GND
R3
1.05M
L1: SUMIDA CDRH4D16FB/NP-100M
L1
10µH
5V
300mA
1.8V
10mA
R2
1.87M
3104 TA05
C
OUT
47µF
C
LDO
4.7µF
C1
1µF
C
IN
10µF
R4
2.1M
R1
255k
C
FF
27pF
PART NUMBER DESCRIPTION COMMENTS
LTC3103 15V, 300mA Synchronous Step-Down DC/DC Converter
with Ultralow Quiescent Current
V
IN
: 2.5V to 15V, V
OUT(MIN)
= 0.6V, I
Q
= 1.8µA, I
SD
= 1µA,
3mm × 3mm DFN-10, MSOP-10
LTC3642 45V (Transient to 60V) 50mA Synchronous Step-Down
DC/DC Converter
V
IN
: 4.5V to 45V, V
OUT(MIN)
= 0.8V, I
Q
= 12µA, I
SD
< 1µA,
3mm × 3mm DFN-8, MSOP-8
LTC3631 45V (Transient to 60V) 100mA Synchronous Step-Down
DC/DC Converter
V
IN
: 4.5V to 45V, V
OUT(MIN)
= 0.8V, I
Q
= 12µA, I
SD
< 1µA,
3mm × 3mm DFN-8, MSOP-8
LTC3632 50V (Transient to
60V) 20mA Synchronous Step-Down
DC/DC Converter
V
IN
: 4.5V to 50V, V
OUT(MIN)
= 0.8V, I
Q
= 12µA, I
SD
< 1µA,
3mm × 3mm DFN-8, MSOP-8
LTC3388-1/LTC3388-3 20V, 50mA High Efficiency Nano Power Step-Down
Regulators
V
IN
: 2.7V to 20V, V
OUT(MIN)
Fixed 1.1V to 5.5V, I
Q
= 720nA,
I
SD
= 400nA, 3mm × 3mm DFN-10, MSOP-10
LTC3108/LTC3108-1 Ultralow Voltage Step-Up Converter and Power Managers V
IN
: 0.02V to 1V, V
OUT(MIN)
Fixed 2.35V to 5V, I
Q
= 6µA,
I
SD
< 1µA, 3mm × 4mm DFN-12, SSOP-16
LTC3109 Auto-Polarity, Ultralow Voltage Step-Up Converter
and Power Manager
V
IN
: 0.03V to 1V, V
OUT(MIN)
Fixed 2.35V to 5V, I
Q
= 7µA,
I
SD
< 1µA, 4mm × 4mm QFN-20, SSOP-20
LTC4071 Li-Ion/Polymer Shunt Battery Charger System with Low
Battery Disconnect
Charger Plus Pack Protection in One IC Low Operating Current
(550nA), 50mA Internal Shunt Current, Pin Selectable Float
Voltages (4.0V, 4.1V, 4.2V), 8-Lead, 2mm × 3mm, DFN and MSOP
Packages
LTC4070 Li-Ion/Polymer Low Current Shunt Battery Charger System Selectable V
FLOAT
= 4.0V, 4.1V, 4.2V, Max Shunt Current = 50mA,
I
CCQ
= 450nA to 1.04mA, I
CCQLB
= 300nA, 2mm × 3mm DFN-8,
MSOP-8
LTC1877 10V, 600mA High Efficiency Synchronous Step-Down
DC/DC Converter
V
IN
: 2.65V to 10V, V
OUT(MIN)
= 0.8V, I
Q
= 10µA, I
SD
< 1µA, MSOP-8
LTC3105 5V,
400mA, MPPC Step-Down Converter with 250mV
Start-Up
V
IN
: 0.225V to 5V, V
OUT(MAX)
= 5.25V, I
Q
= 24µA, I
SD
= 10µA,
3mm × 3mm DFN-10, MSOP-12
