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See Technical Specifications

LTC1682IS8-3.3#PBF

Doubler Charge Pumps with Low Noise Linear Regulator

Manufacturer:

Analog Devices, Inc
Mfr.Part #:

LTC1682IS8-3.3#PBF
Datasheet:

LTC1682IS8-3.3#PBF Datasheet (PDF)
Mounting Style:

SMD/SMT
Output Voltage:

3.3 V
Output Current:

50 mA
Number of Outputs:

1 Output
EDA/CAD Models:

Request Free CAD Models for LTC1682IS8-3.3#PBF

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LTC1682IS8-3.3#PBF General Description

The LTC1682/LTC1682-3.3/LTC1682-5 are doubler charge pumps with an internal low noise, low dropout (LDO) linear regulator. These parts are designed to provide a low noise boosted supply voltage for powering noise sensitive devices such as high frequency VCOs in wireless applications.

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Key Features

Low Output Noise: 60µV_RMS (100kHz BW)
Adjustable or Fixed Boosted Output
Adjustable Output Voltage Range: 2.5V to 5.5V
Fixed Output Voltages: 3.3V, 5V
Wide Input Voltage Range: 1.8V to 4.4V
Uses Small Ceramic Capacitors
No Inductors Required
Output Current up to 50mA
550kHz Switching Frequency
Low Operating Current: 150µA
Low Shutdown Current: 1µA
Internal Thermal Shutdown and Current Limiting
Available in 8-Pin MSOP and SO Packages

Application

VCO Power Supplies in Cellular Phones
2-Way Pagers
Wireless PCMCIA Cards
Portable Medical Instruments
Low Power Data Acquisition
Remote Transmitters

Specifications

Product Category:	Switching Voltage Regulators	Mounting Style:	SMD/SMT
Output Voltage:	3.3 V	Output Current:	50 mA
Number of Outputs:	1 Output	Input Voltage MAX:	4.4 V
Topology:	Boost	Input Voltage MIN:	1.8 V
Switching Frequency:	550 kHz	Minimum Operating Temperature:	- 40 C
Maximum Operating Temperature:	+ 85 C	Series:	LTC1682
Packaging:	Tube	Height:	1.75 mm
Input Voltage:	3 V	Operating Temperature Range:	- 40 C to + 85 C
Type:	Doubler Charge Pump	Shutdown:	Shutdown
Development Kit:	DC249A-A, DC249A-B, DC249A-C, DC332A	Load Regulation:	10 mV
Operating Supply Current:	0.15 mA	Product Type:	Switching Voltage Regulators
Factory Pack Quantity:	100	Subcategory:	PMIC - Power Management ICs
Tags	LTC1682IS, LTC1682I, LTC1682, LTC168, LTC16, LTC1, LTC	Product Category	Switching Voltage Regulators
Output Voltage	3.3 V	Output Current	50 mA
Input Voltage, Max	4.4 V	Number of Outputs	1 Output
Topology	Boost	Mounting Style	SMD/SMT
Switching Frequency	550 kHz	Quiescent Current	1 uA
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
Series	LTC1682	Input Voltage, Min	1.8 V
Development Kit	DC249A-A, DC249A-B, DC249A-C, DC332A	Height	1.75 mm
Input Voltage	3 V	Load Regulation	10 mV
Operating Supply Current	150 uA	Product Type	Switching Voltage Regulators
Shutdown	Shutdown	Factory Pack Quantity	100
Subcategory	PMIC - Power Management ICs	Type	Doubler Charge Pump