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See Technical Specifications

LTC1682IMS8#TRPBF

Charge Pump Switching Regulator IC Positive Adjustable 2.5V 1 Output 50mA 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Manufacturer:

Analog Devices Inc.
Mfr.Part #:

LTC1682IMS8#TRPBF
Datasheet:

LTC1682IMS8#TRPBF Datasheet (PDF)
Output Voltage:

2.5 V to 5.5 V
Output Current:

50 mA
Input Voltage, Max:

4.4 V
Number of Outputs:

1 Output
EDA/CAD Models:

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LTC1682IMS8#TRPBF 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.

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	Output Voltage	2.5 V to 5.5 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
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
Series	LTC1682	Input Voltage, Min	1.8 V
Input Voltage	1.8 V to 4.4 V	Load Regulation	10 mV
Operating Supply Current	150 uA	Product Type	Switching Voltage Regulators
Shutdown	Shutdown	Factory Pack Quantity	2500
Subcategory	PMIC - Power Management ICs	Type	Doubler Charge Pump