LTC3255IMSE#PBF

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Analog Devices Inc./Maxim Integrated

CHARGE PUMP STPDN 2.4V TO 12.5V 50MA 10-PIN MSOP EP TUBE

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LTC3255IMSE#PBF

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Analog Devices Inc./Maxim Integrated

CHARGE PUMP STPDN 2.4V TO 12.5V 50MA 10-PIN MSOP EP TUBE

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Description Specifications Series Pricing CAD Documents

Description

General part information

LTC3255 Series

The LTC3255 is a switched-capacitor step-down DC/DC converter that produces a regulated output (2.4V to 12.5V adjustable) from a 4V to 48V input. In applications where the input voltage exceeds twice the output voltage, 2:1 capacitive charge pumping extends output current capability beyond input supply current limits. At no load, Burst Mode®operation cuts VINquiescent current to 16μA.With its integrated VINshunt regulator, the LTC3255 excels in 4mA to 20mA current loop applications. The device enables current multiplication; a 4mA input current can power a 7.4mA load continuously. Alternatively, the LTC3255 serves as a higher efficiency replacement for linear regulators and provides a space-saving inductorfree alternative to buck DC/DC converters.The LTC3255 withstands reverse-polarity input supplies and output short-circuits without damage. Safety features including current limit and overtemperature protection further enhance robustness. The LTC3255 is available in thermally enhanced 10-lead MSOP and low profile 3mm × 3mm 10-lead DFN packages.ApplicationsIndustrial Control, Factory Automation, Sensors, and SCADA SystemsHousekeeping Power SuppliesCurrent-Boosting Voltage Regulators for 4mA to 20mA Current Loops

Technical Specifications

Parameters and characteristics for this part

Specification	LTC3255IMSE#PBF

Current - Output	50 mA
Frequency - Switching	500 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	150 °C
Operating Temperature (Min)	-55 °C
Output Configuration	Positive
Output Type	Adjustable
Package Features	Exposed Pad
Package Length	0.118 in
Package Name	10-MSOP, 10-MSOP-EP
Package Width	3 mm
Synchronous Rectifier	No
Topology	Charge Pump
Voltage - Input (Max)	48 V
Voltage - Input (Min)	4 V
Voltage - Output (Max)	12.5 V
Voltage - Output (Min/Fixed)	2.4 V

LTC3255 Series

Part	Synchronous Rectifier	Operating Temperature (Min)	Operating Temperature (Max)	Output Configuration	Voltage - Output (Max)	Mounting Type	Number of Outputs	Function	Frequency - Switching	Topology	Voltage - Output (Min/Fixed)	Package Length	Package Name	Package Width	Voltage - Input (Max)	Voltage - Input (Min)	Package / Case	Output Type	Current - Output	Package Features
Analog Devices Inc./Maxim Integrated LTC3255MPDD#TRPBF	No	-55 °C	150 °C	Positive	12.5 V	Surface Mount	1	Step-Down	500 kHz	Charge Pump	2.4 V	3 mm	10-DFN	3 mm	48 V	4 V	10-WFDFN Exposed Pad	Adjustable	50 mA
Analog Devices Inc./Maxim Integrated LTC3255MPDD#PBF	No	-55 °C	150 °C	Positive	12.5 V	Surface Mount	1	Step-Down	500 kHz	Charge Pump	2.4 V	3 mm	10-DFN	3 mm	48 V	4 V	10-WFDFN Exposed Pad	Adjustable	50 mA
Analog Devices Inc./Maxim Integrated LTC3255IMSE#TRPBF	No	-55 °C	150 °C	Positive	12.5 V	Surface Mount	1	Step-Down	500 kHz	Charge Pump	2.4 V	0.118 in	10-MSOP 10-MSOP-EP	3 mm	48 V	4 V		Adjustable	50 mA	Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3255HMSE#PBF	No	-55 °C	150 °C	Positive	12.5 V	Surface Mount	1	Step-Down	500 kHz	Charge Pump	2.4 V	0.118 in	10-MSOP 10-MSOP-EP	3 mm	48 V	4 V		Adjustable	50 mA	Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3255MPMSE#TRPBF	No	-55 °C	150 °C	Positive	12.5 V	Surface Mount	1	Step-Down	500 kHz	Charge Pump	2.4 V	0.118 in	10-MSOP 10-MSOP-EP	3 mm	48 V	4 V		Adjustable	50 mA	Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3255EDD#TRPBF	No	-55 °C	150 °C	Positive	12.5 V	Surface Mount	1	Step-Down	500 kHz	Charge Pump	2.4 V	3 mm	10-DFN	3 mm	48 V	4 V	10-WFDFN Exposed Pad	Adjustable	50 mA
Analog Devices Inc./Maxim Integrated LTC3255HMSE#TRPBF	No	-55 °C	150 °C	Positive	12.5 V	Surface Mount	1	Step-Down	500 kHz	Charge Pump	2.4 V	0.118 in	10-MSOP 10-MSOP-EP	3 mm	48 V	4 V		Adjustable	50 mA	Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3255MPMSE#PBF	No	-55 °C	150 °C	Positive	12.5 V	Surface Mount	1	Step-Down	500 kHz	Charge Pump	2.4 V	0.118 in	10-MSOP 10-MSOP-EP	3 mm	48 V	4 V		Adjustable	50 mA	Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3255EMSE#TRPBF	No	-55 °C	150 °C	Positive	12.5 V	Surface Mount	1	Step-Down	500 kHz	Charge Pump	2.4 V	0.118 in	10-MSOP 10-MSOP-EP	3 mm	48 V	4 V		Adjustable	50 mA	Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3255HDD#TRPBF	No	-55 °C	150 °C	Positive	12.5 V	Surface Mount	1	Step-Down	500 kHz	Charge Pump	2.4 V	3 mm	10-DFN	3 mm	48 V	4 V	10-WFDFN Exposed Pad	Adjustable	50 mA

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

LTC3255IMSE#PBF | Datasheet

R526 Reliability Data