LTC3109 Linear Technology, LTC3109 Datasheet - Page 20

• Manufacturer Part Number: LTC3109
• Description: Ultralow Voltage Step-Up Converter and Power Manager
• Manufacturer: Linear Technology

LTC3109
Typical applicaTions
0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
FERROTEC 9500/127/100B
C1 = 33nF
T1 = COILCRAFT LPR6235-123QML
1:50 RATIO
V
Typical P
OUT
1
= 3.3V
FERROTEC 9500/127/100B
2
THERMOELECTIC
3
VOUT
Configuration
300mV RMS
GENERATOR
50mV TO
T1, T2: COILCRAFT
LPR6235-752SML
4
AC
dT (°K)
vs dT for Unipolar
5
+
–
60Hz
6
•
•
1:100
1:100
Li-Ion Battery Charger and LDO Operates from a Low Level AC Input
T1
T2
7
47µF
T1: COILCRAFT
LPR6235-123QML
•
•
8
•
3109 TA06b
1:50
9
T1
470pF
470pF
Unipolar Energy Harvester Charges Battery Backup
1nF
1nF
10
•
C1A
C2A
SWA
V
C1B
C2B
SWB
V
VS1
VS2
33nF
330k
1nF
INA
INB
LTC3109
GND
V
VSTORE
OUT2_EN
PG00D
V
VLDO
VAUX
V
OUT2
OUT
C1A
C2A
SWA
V
C1B
C2B
SWB
V
VS1
VS2
INA
INB
LTC3109
2.2V
GND
3109 TA03
V
VSTORE
OUT2_EN
PG00D
2.2µF
V
VLDO
VAUX
V
OUT2
VLDO
OUT
1µF
FAIRCHILD
FDG328P
2.2V
2.2µF
*THE LTC4070 IS A PRECISION BATTERY
CHARGER OFFERING UNDERVOLTAGE
PROTECTION, WITH A TYPICAL SUPPLY
CURRENT OF ONLY 0.45µA
+
1µF
VLDO
PGOOD
+
4.1V
Li-Ion
BATTERY
TO LOAD
+
4.1V
Li-Ion
BATTERY
FAIRCHILD
FDG328P
NC
330µF
4V
NC
LBO
NTC
V
ADJ
CC
V
3.3V
LTC4070*
OUT
LBO
NTC
V
ADJ
GND
CC
NTCBIAS
LTC4070
GND
HBO
DRV
NTCBIAS
3109 TA06a
HBO
DRV
NC
NC
NC
www.DataSheet4U.com
NC
NC
NC
3109f