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LTC3104
20
3104f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
?/DIV>
 FAX: (408) 434-0507
 ?
 www.linear.com
?LINEAR TECHNOLOGY CORPORATION 2011
LT 1011 " PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
12V to 5V/300mA Regulator with High Efficiency, Ultralow I
Q
(2.8礎 with V
OUT
 in Regulation, No Load) and 1.8V/10mA LDO
V
IN
C
BST
22nF
BST
12V
RUN
SW
RUNLDO
MODE
V
CC
PGOOD
FBLDO
V
INLDO
V
LDO
FB
LTC3104
GND
R3
1.05M
L1: SUMIDA CDRH4D16FB/NP-100M
L1
10礖
5V
300mA
1.8V
10mA
R2
1.87M
3104 TA05
C
OUT
47礔
C
LDO
4.7礔
C1
1礔
C
IN
10礔
R4
2.1M
R1
255k
C
FF
10pF
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
 = 1.8礎, I
SD
 = 1礎,
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
 = 12礎, I
SD
 < 1礎,
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
 = 12礎, I
SD
 < 1礎,
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
 = 12礎, I
SD
 < 1礎,
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
 = 6礎,
I
SD
 < 1礎, 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
 = 7礎,
I
SD
 < 1礎, 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
 = 10礎, I
SD
 < 1礎, 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
 = 24礎, I
SD
 = 10礎,
3mm ?3mm DFN-10, MSOP-12
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