Datasheet

LTC3105
18
3105fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2010
LT 0211 REV A • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
LTC3108/LTC3108-1 Ultralow Voltage Step-Up Converter and Power
Manager
V
IN
: 0.02V to 1V; V
OUT
= 2.2V, 2.35V, 3.3V, 4.1V, 5V; I
Q
= 6μA; 4mm × 3mm
DFN-12, SSOP-16 Packages; LTC3108-1 V
OUT
= 2.2V, 2.5V, 3V, 3.7V, 4.5V
LTC3109 Auto-Polarity, Ultralow Voltage Step-Up
Converter and Power Manager
|V
IN
|: 0.03V to 1V; V
OUT
= 2.2V, 2.35V, 3.3V, 4.1V, 5V; I
Q
= 7μA; 4mm × 4mm
QFN-20, SSOP-20 Packages
LTC4070 Li-Ion/Polymer Shunt Battery Charger System 450nA I
Q
; 1% Float Voltage Accuracy; 50mA Shunt Current 4.0V/4.1V/4.2V
LTC4071 Li-Ion/Polymer Shunt Battery Charger System
with Low Battery Disconnect
550nA I
Q
; 1% Float Voltage Accuracy; <10nA Low Battery Disconnect;
4.0V/4.1V/4.2V; 8-Lead 2mm × 3mm DFN and MSOP Packages
LTC3588-1/LTC3588-2 Piezoelectric Energy Harvesting Power Supply < 1µA I
Q
in Regulation; 2.7V to 20V Input Range; Integrated Bridge Rectifier
LTC3388-1/LTC3388-3 20V High Efficiency Nanopower Step-Down
Regulator
860nA I
Q
in Sleep; 2.7V to 20V Input; V
OUT
: 1.2V to 5V; Enable and
Standby Pins
LTC3225/LTC3225-1 150mA Super Capacitor Charger Programmable Charge Current Up to 150mA; Constant-Frequency Charging
of Two Series Supercapacitors; No Inductors; 2mm × 3mm DFN Package
LTC3525-3/LTC3525-3.3/
LTC3525-5/LTC3525L-3
400mA Micropower Synchronous Step-Up
DC/DC Converter with Output Disconnect
95% Efficiency; V
IN
: 1V to 4.5V; V
OUT
= 3V, 3.3V or 5V; I
Q
= 7μA;
I
SD
< 1μA; SC70 Package; LTC3525L-3 V
IN
: 0.7V to 4.5V
LTC3526L/LTC3526L-2/
LTC3526LB/LTC3526LB-2
550mA, 1MHz/2MHz Synchronous Boost
Converter
95% Efficiency; V
IN
: 0.7V to 5.5V; V
OUT(MAX)
= 5.25V; I
Q
= 9μA;
I
SD
< 1μA; 2mm × 2mm DFN Package
LTC3527 Dual 2.2MHz 800mA/400mA Synchronous Step-
Up DC/DC Converters
V
IN
: 0.5V to 5V; V
OUT
: 1.6V to 5.25V; I
Q
= 12μA; I
SD
< 1μA;
3mm × 3mm QFN Package
LTC3528/LTC3528-2/
LTC3528B/LTC3528B-2
1A (I
SW
), 1MHz/2MHz Synchronous Step-Up
DC/DC Converter with Output Disconnect
94% Efficiency; V
IN
: 0.7V to 5.5V; V
OUT(MAX)
= 5.25V; I
Q
= 12μA;
I
SD
< 1μA; 2mm × 3mm DFN-8 Package
LTC3537 2.2MHz, 600mA Synchronous Step-Up DC/DC
Converter and 100mA LDO
V
IN
: 0.68V to 5V; V
OUT
: 1.5V to 5.25V; 3mm × 3mm QFN Package
LTC3539/LTC3539-2 2A (I
SW
), 1MHz/2MHz Synchronous Step-Up
DC/DC Converter with Output Disconnect
94% Efficiency; V
IN
: 0.7V to 5V; V
OUT(MAX)
= 5.25V; I
Q
= 10μA;
I
SD
< 1μA; 2mm × 3mm DFN Package
Single-Cell Powered Remote Wireless Sensor
3105 TA07
R1
2.32M
V
OUT
3.3V
R2
1.02M
FB
PGOOD
LDO
A/D
I/O
XMTR
SENSOR
µC
FBLDO
MPPC
EN
SHDN
AUX
SW
C
LDO
4.7µF
2.2V
R
MPPC
40.2k
R
PG
499k
C
AUX
1µF
C
IN
10µF
L1*
10µH
LTC3105
GND
GND
C
OUT
100µF
V
DD
GPIO
* COILCRAFT MSS5131-103MX
2N7000
ON
OFF
V
IN
V
OUT
+
–