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LTC3246 Datasheet(PDF) 20 Page - Linear Technology

Part # LTC3246
Description  Wide VIN Range Buck-Boost Charge Pump with Watchdog Timer
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3246 Datasheet(HTML) 20 Page - Linear Technology

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LTC3246
20
3246fa
For more information www.linear.com/LTC3246
ANALOG DEVICES, INC. 2016
LT 1217 REV A • PRINTED IN USA
www.linear.com/LTC3246
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER
DESCRIPTION
COMMENTS
LTC3204-3.3/
LTC3204B-3.3/
LTC3204-5/
LTC3204B-5
Low Noise, Regulated Charge Pumps
in (2mm × 2mm) DFN Package
VIN: 1.8V to 4.5V (LTC3204B-3.3), 2.7V to 5.5V (LTC3204B-5), IQ = 48µA, B Version without
Burst Mode Operation, 6-Lead (2mm × 2mm) DFN Package
LTC3440
600mA (IOUT) 2MHz Synchronous
Buck-Boost DC/DC Converter
95% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN) = 2.5V, IQ = 25µA, ISD ≤ 1µA, 10-Lead MS
Package
LTC3441
High Current Micropower 1MHz
Synchronous Buck-Boost DC/DC
Converter
95% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN) = 2.5V, IQ = 25µA, ISD ≤ 1µA, DFN Package
LTC3443
High Current Micropower 600kHz
Synchronous Buck-Boost DC/DC
Converter
96% Efficiency, VIN: 2.4V to 5.5V, VOUT(MIN) = 2.4V, IQ = 28µA, ISD < 1µA, DFN Package
LTC3240-3.3/
LTC3240-2.5
3.3V/2.5V Step-Up/Step-Down Charge
Pump DC/DC Converter
VIN: 1.8V to 5.5V, VOUT(MAX) = 3.3V/2.5V, IQ = 65µA, ISD < 1µA, 2mm × 2mm DFN Package
LTC3260
Low Noise Dual Supply Inverting
Charge Pump
VIN Range: 4.5V to 32V, IQ = 100µA, 100mA Charge Pump, 50mA Positive LDO, 50mA
Negative LDO
LTC3261
High Voltage Low IQ Inverting Charge
Pump
VIN Range: 4.5V to 32V, IQ = 60µA, 100mA Charge Pump
LTC3245
High Voltage, Low Noise 250mA
Buck-Boost Charge Pump
VIN Range: 2.7V to 38V, VOUT Range: 2.5V to 5V, IQ = 18µA, ISD = 4µA, 3mm × 4mm DFN and
12-Pin MSE Packages
LTC3255
Wide VIN Range Fault Protected 50mA
Step-Down Charge Pump
VIN Range: 4V to 48V, VOUT Range: 2.4V to 15V, IQ = 20µA, 10-Pin 3mm × 3mm DFN and
MSE Packages
LTC3256
Wide VIN Range Dual Output 350mA
Step-Down Charge Pump with WDT
VIN Range: 5.5V to 38V, VOUT Range: 5V/3.3V, IQ = 18µA, 16-Pin MSE Package
LTC3246
3246 TA03
VIN
SEL2
SEL1
BIAS
RT
WT
WDI
C+
C–
VOUT
OUTS/ADJ
RST
RSTI
1µF
22µF
10µF
500k
2.2µF
VIN = 2.7V TO 38V
VOUT = 3.3V
IOUT UP TO 500mA
GND
RST
Reduced Ripple 3.3V Output with Watchdog Timing Disabled



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