Datasheet

LTC3129
30
3129fa
For more information www.linear.com/LTC3129
 LINEAR TECHNOLOGY CORPORATION 2013
LT 0514 REV A • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com/3129
relaTeD parTs
Typical applicaTion
Dual V
IN
Application, Using the LTC4412 PowerPath™ Controller
PART NUMBER DESCRIPTION COMMENTS
LTC3103 15V, 300mA Synchronous Step-Down DC/DC Converter with
Ultralow Quiescent Current
V
IN(MIN)
= 2.2V, V
IN(MAX)
= 15V, V
OUT(MIN)
= 0.8V, I
Q
= 1.8µA,
I
SD
<1µA, 3mm × 3mm DFN-10, MSOP-10 Packages
LTC3104 15V, 300mA Synchronous Step-Down DC/DC Converter with
Ultralow Quiescent Current and 10mA LDO
V
IN(MIN)
= 2.2V, V
IN(MAX)
= 15V, V
OUT(MIN)
= 0.8V, I
Q
= 2.8µA,
I
SD
<1µA, 4mm × 3mm DFN-14, MSOP-16 Packages
LTC3105 400mA Step-up Converter with MPPC and 250mV Start-Up V
IN(MIN)
= 0.2V, V
IN(MAX)
= 5V, V
OUT(MIN)
= 0 5.25V
MAX
, I
Q
= 22µA,
I
SD
<1µA, 3mm × 3mm DFN-10/MSOP-12 Packages
LTC3112 15V, 2.5A, 750kHz Monolithic Synch Buck/Boost V
IN(MIN)
= 2.7V, V
IN(MAX)
= 15V, V
OUT(MIN)
= 2.7V to 14V, I
Q
= 50µA,
I
SD
<1µA, 4mm × 5mm DFN-16 TSSOP-20E Packages
LTC3115-1 40V, 2A, 2MHz Monolithic Synch Buck/Boost V
IN(MIN)
= 2.7V, V
IN(MAX)
= 40V, V
OUT(MIN)
= 2.7V to 40V, I
Q
= 50µA,
I
SD
<1µA, 4mm × 5mm DFN-16 and TSSOP-20E Packages
LTC3531 5.5V, 200mA, 600kHz Monolithic Synch Buck/Boost V
IN(MIN)
= 1.8V, V
IN(MAX)
= 5.5V, V
OUT(MIN)
= 2V to 5V, I
Q
= 16µA,
I
SD
<1µA, 3mm × 3mm DFN-8 and ThinSOT Packages
LTC3388-1/
LTC3388-3
20V, 50mA High Efficiency Nano Power Step-Down Regulator V
IN(MIN)
= 2.7V, V
IN(MAX)
=20V, V
OUT(MIN)
= Fixed 1.1V to 5.5V,
I
Q
= 720nA, I
SD
= 400nA, 3mm × 3mm DFN-10, MSOP-10 Packages
LTC3108/
LTC3108-1
Ultralow Voltage Step-Up Converter and Power Manager V
IN(MIN)
= 0.02V, V
IN(MAX)
= 1V, V
OUT(MIN)
= Fixed 2.35V to 5V,
I
Q
= 6µA, I
SD
<1µA, 3mm × 4mm DFN-12, SSOP-16 Packages
LTC3109 Auto-Polarity, Ultralow Voltage Step-Up Converter and Power
Manager
V
IN(MIN)
= 0.03V, V
IN(MAX)
= 1V, V
OUT(MIN)
= Fixed 2.35V to 5V,
I
Q
= 7µA, I
SD
<1µA, 4mm × 4mm QFN-20, SSOP-20 Packages
LTC3588-1 Piezo Electric Energy Harvesting Power Supply V
IN(MIN)
= 2.7V, V
IN(MAX)
= 20V, V
OUT(MIN)
= Fixed 1.8V to 3.6V,
I
Q
= 950nA, I
SD
450nA, 3mm × 3mm DFN-10, MSOP-10E Packages
LTC4070 Li-Ion/Polymer Low Current Shunt Battery Charger System V
IN(MIN)
= 450nA to 50mA, V
FLOAT
+ 4.0V, 4.1V, 4.2V, I
Q
= 300nA,
2mm × 3mm DFN-8, MSOP-8 Packages
BST1
V
OUT
V
OUT
12V
SW1 SW2
LTC3129
22nF
BST2
PGOOD
FB
GND
V
CC
V
CC
V
IN
RUN
MPPC
PWM
NC
NC
22nF
MBR0520
FDN338
BSS314
10µH
10µF
12V WALL ADAPTER INPUT
10µF
25V
3.01M
2.2µF
3129 TA08
PGND
V
IN
= 12V, I
OUT
= 200mA
V
IN
= 3.6V, I
OUT
= 50mA
324k
LTC4412
GND
V
IN
CTL
Li-Ion
+
GATE
STAT
SENSE
10pF