LTC3331_15 Datasheet, PDF (34/34 Pages) Linear Technology – Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Charger

LTC3331
TYPICAL APPLICATION
UPS System for Wireless Mesh Networks with Output Supercapacitor Energy Storage
MIDE V25W
22µF
25V
1µF
6.3V
4.7µF
6.3V
UVLO RISING = 12V*
UVLO FALLING = 11V
IPEAK_BB = 50mA
AC2
V_IN
CAP
V_IN2
UV3
UV2
UV1
UV0
LTC3331
AC1
SWA
SWB
SW
V_OUT
SCAP
BAL
PGVOUT
EH_ON
3.45V
V_IN3
+
LiFePO₄
BAT_IN
1µF
6.3V
IPK2
IPK1
CHARGE
130k
BAT_OUT
IPK0
OUT2
OUT1
BB_IN
OUT0
22µF
6.3V
FLOAT1 FLOAT0
LBSEL SHIP GND
100µH
22µH
V_OUT = 3.6V FOR EH_ON = 1
V_OUT = 2.5V FOR EH_ON = 0
1F
22µF
2.7V
6.3V
1F
2.7V
V_SUPPLY
PGOOD
T_X
EHORBAT
GND
3331 TA02
0.1µF
6.3V
LINEAR TECHNOLOGY DC9003A-AB
DUST MOTE FOR WIRELESS MESH NETWORKS
*FOR PEAK POWER TRANSFER, CENTER THE UVLO WINDOW
AT HALF THE RECTIFIED OPEN CIRCUIT VOLTAGE OF THE PIEZO
RELATED PARTS
PART NUMBER
LTC3330
LTC3588-1/
LTC3588-2
LT1389
LTC1540
LT3009
LTC3105
LTC3108
LTC3109
LTC3388-1/
LTC3388-3
LTC4070
LTC4071
LTC3129/
LTC3129-1
DESCRIPTION
Nanopower Buck-Boost DC/DC with Energy
Harvesting Battery Life Extender
Nanopower Energy Harvesting Power Supply with
Up to 100mA of Output Current
Nanopower Precision Shunt Voltage Reference
Nanopower Comparator with Reference
3μA I_Q, 20mA Low Dropout Linear Regulator
400mA Step-Up Converter with MPPC and 250mV
Start-Up
Ultralow Voltage Step-Up Converter and Power
Manager
Auto-Polarity, Ultralow Voltage Step-Up Converter
and Power Manager
20V, 50mA High Efficiency Nanopower
Step-Down Regulator
50mA Micropower Shunt Li-Ion Charger
50mA Micropower Shunt Li-Ion Charger with
PowerPath™ Control
Micropower 200mA Synchronous Buck-Boost
DC/DC Converter
COMMENTS
V_IN: 3.0V to 19V; BAT: 1.8V to 5.5V, 750nA I_Q
5mm × 5mm QFN-32 Package
V_IN: 2.7V to 20V; V_OUT: Fixed 1.8V to 5V; I_Q = 950nA; I_SD = 450nA;
MSOP-10, 3mm × 3mm DFN-10 Packages
V_REF: 1.25V, 2.25V, 4.096V; I_Q = 800nA; I_SD < 1µA; SO-8 Package
V_IN: 2V to 11V; I_Q = 0.3µA; I_SD < 1µA; 3mm × 3mm DFN-8 Package
V_IN: 1.6V to 20V; V_OUT: 0.6V, Fixed 1.2V to 5V; I_Q = 3µA; I_SD < 1µA;
SC-70-8, 2mm × 2mm DFN-8 Packages
V_IN: 0.2V to 5V; V_OUT: Max 5.25V; I_Q = 22µA; I_SD < 1µA; 3mm × 3mm DFN-10,
MSOP-12 Package
V_IN: 0.02V to 1V; V_OUT: Fixed 2.35V to 5V; I_Q = 7µA; I_SD < 1µA;
TSSOP-16, 3mm × 4mm DFN-12 Packages
V_IN: 0.03V to 1V; V_OUT: Fixed 2.35V to 5V; I_Q = 7µA; I_SD < 1µA;
SSOP-20, 4mm × 4mm QFN-20 Packages
V_IN: 2.7V to 20V; V_OUT: Fixed 1.1V to 5.5V; I_Q = 720nA; I_SD = 400nA;
MSOP-10, 3mm × 3mm DFN-10 Packages
V_OUT(MIN): 4V, 4.1V, 4.2V; I_Q = 450nA; I_SD = 45nA; MSOP-8, 2mm × 3mm DFN-8
Packages
V_OUT(MIN): 4V, 4.1V, 4.2V; I_Q = 450nA; I_SD = 45nA; MSOP-8, 2mm × 3mm DFN-8
Packages
V_IN: 2.42V to 15V; V_OUT: 1.4V to 15V; I_Q = 1.3µA; I_SD = 10nA;
MSOP-16E, 3mm × 3mm QFN-16 Packages
34 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950_Fo3_r5_m-7_o4_re1_i7_{nformation www.linear.com/LTC3331}
[phone] ^● FAX: [phone] ^● www.linear.com/LTC3331
3331fb
LT 1114 REV B • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2014