LTC3872EDDB-1#TRPBF

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Analog Devices

NO RSENSECURRENT MODE BOOST DC/DC CONTROLLER

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LTC3872EDDB-1#TRPBF

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Analog Devices

NO RSENSECURRENT MODE BOOST DC/DC CONTROLLER

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Technical Specifications

Parameters and characteristics for this part

Specification	LTC3872EDDB-1#TRPBF

Clock Sync	False
Control Features	Current Limit, Soft Start, Enable
Frequency - Switching	550 kHz
Function	Step-Up
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Phases	1
Output Type	Transistor Driver
Package / Case	8-WFDFN Exposed Pad
Supplier Device Package	8-DFN (3x2)
Synchronous Rectifier	False
Topology	Boost
Voltage - Supply (Vcc/Vdd) [Max]	9.8 V
Voltage - Supply (Vcc/Vdd) [Min]	2.75 V

LTC3872-1 Series

No RSENSECurrent Mode Boost DC/DC Controller

Part	Topology	Mounting Type	Supplier Device Package	Operating Temperature [Max]	Operating Temperature [Min]	Frequency - Switching	Control Features	Output Type	Function	Number of Outputs	Package / Case	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Output Configuration	Output Phases
Analog Devices LTC3872HTS8#TRMPBF	Boost	Surface Mount	TSOT-23-8	150 °C	-40 °C	550 kHz	Current Limit Enable Soft Start	Transistor Driver	Step-Up	1	SOT-23-8 Thin TSOT-23-8	2.75 V	9.8 V	Positive	1
Analog Devices LTC3872HDDB#TRPBF	Boost	Surface Mount	8-DFN (3x2)	150 °C	-40 °C	550 kHz	Current Limit Enable Soft Start	Transistor Driver	Step-Up	1	8-WFDFN Exposed Pad	2.75 V	9.8 V	Positive	1
Analog Devices LTC3872HTS8-1#TRMPBF	Boost	Surface Mount	TSOT-23-8	150 °C	-40 °C	550 kHz	Current Limit Enable Soft Start	Transistor Driver	Step-Up	1	SOT-23-8 Thin TSOT-23-8	2.75 V	9.8 V	Positive	1
Analog Devices LTC3872ETS8#TRMPBF	Boost	Surface Mount	TSOT-23-8	85 °C	-40 °C	550 kHz	Current Limit Enable Soft Start	Transistor Driver	Step-Up	1	SOT-23-8 Thin TSOT-23-8	2.75 V	9.8 V	Positive	1
Analog Devices LTC3872ETS8-1#TRMPBF	Boost	Surface Mount	TSOT-23-8	85 °C	-40 °C	550 kHz	Current Limit Enable Soft Start	Transistor Driver	Step-Up	1	SOT-23-8 Thin TSOT-23-8	2.75 V	9.8 V	Positive	1
Analog Devices LTC3872EDDB#TRPBF	Boost	Surface Mount	8-DFN (3x2)	85 °C	-40 °C	550 kHz	Current Limit Enable Soft Start	Transistor Driver	Step-Up	1	8-WFDFN Exposed Pad	2.75 V	9.8 V	Positive	1
Analog Devices LTC3872EDDB-1#TRPBF	Boost	Surface Mount	8-DFN (3x2)	85 °C	-40 °C	550 kHz	Current Limit Enable Soft Start	Transistor Driver	Step-Up	1	8-WFDFN Exposed Pad	2.75 V	9.8 V	Positive	1
Analog Devices LTC3872IDDB#TRMPBF	Boost	Surface Mount	8-DFN (3x2)	125 ¯C	-40 °C	550 kHz	Current Limit Enable Soft Start	Transistor Driver	Step-Up	1	8-WFDFN Exposed Pad	2.75 V	9.8 V	Positive	1
Analog Devices LTC3872HDDB-1#TRMPBF	Boost	Surface Mount	8-DFN (3x2)	150 °C	-40 °C	550 kHz	Current Limit Enable Soft Start	Transistor Driver	Step-Up	1	8-WFDFN Exposed Pad	2.75 V	9.8 V	Positive	1
Analog Devices LTC3872EDDB-1#TRMPBF	Boost	Surface Mount	8-DFN (3x2)	85 °C	-40 °C	550 kHz	Current Limit Enable Soft Start	Transistor Driver	Step-Up	1	8-WFDFN Exposed Pad	2.75 V	9.8 V	Positive	1

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tape & Reel (TR)	2500	$ 2.73

Description

General part information

LTC3872-1 Series

The LTC3872-1 is a constant frequency current mode boost DC/DC controller that drives an N-channel power MOSFET and requires very few external components. The No RSENSE™architecture eliminates the need for a sense resistor, improves efficiency and saves board space.The LTC3872-1 provides excellent AC and DC load and line regulation with ±1.5% output voltage accuracy. It incorporates an undervoltage lockout feature that shuts down the device when the input voltage falls below 2.3V.LTC3872-1 has the same functionality as the standard LTC3872 except that it has no frequency foldback in current limit.High switching frequency of 550kHz allows the use of a small inductor. The LTC3872-1 is available in an 8-lead low profile (1mm) ThinSOT™package and 8-pin 2mm × 3mm DFN package.LTC3872LTC3872-1Frequency Foldback In Current LimitYesNoApplicationsTelecom Power Supplies42V Automotive Systems24V Industrial ControlsIP Phone Power Supplies

LTC3872EDDB-1#TRPBF

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LTC3872EDDB-1#TRPBF

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Technical Specifications

LTC3872-1 Series

Pricing

Description

LTC3872-1 Series

Documents

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LTC3872-1 Series