EVAL-LT3964-1-AZ

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Analog Devices

EVAL BOARD FOR LT3964-1

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EVAL-LT3964-1-AZ

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Analog Devices

EVAL BOARD FOR LT3964-1

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	EVAL-LT3964-1-AZ

Current - Output / Channel [custom]	1 A
Features	Dimmable
Outputs and Type	2 Non-Isolated Outputs
Supplied Contents	Board(s)
Utilized IC / Part	LT3964-1
Voltage - Input [Max]	36 V
Voltage - Input [Min]	9 VDC
Voltage - Output [Max]	7.7 V
Voltage - Output [Min]	2.5 V

LT3964 Series

Dual 36V Synchronous 1.6A Buck LED Driver with I2C

Part	Voltage - Output [Min]	Voltage - Output [Max]	Outputs and Type	Utilized IC / Part	Supplied Contents	Current - Output / Channel [custom]	Voltage - Input [Max]	Voltage - Input [Min]	Features	Grade	Type	Current - Output / Channel	Topology	Number of Outputs	Mounting Type	Package / Case	Voltage - Supply (Min) [Min]	Supplier Device Package	Frequency	Internal Switch(s)	Dimming	Voltage - Supply (Max) [Max]	Applications	Operating Temperature [Min]	Operating Temperature [Max]
Analog Devices EVAL-LT3964-1-AZ	2.5 V	7.7 V	2 Non-Isolated Outputs	LT3964-1	Board(s)	1 A	36 V	9 VDC	Dimmable
Analog Devices LT3964IUHE#PBF										Automotive	DC DC Controller	1.6 A	Step-Down (Buck)	2	Surface Mount	36-WFQFN Exposed Pad	4 V	36-QFN (5x6)	2 MHz		I2C PWM	36 V	General Purpose Industrial Medical	-40 °C	125 ¯C

Pricing

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

Distributor	Package	Quantity	$

Digikey	Box	1	$ 163.45

Description

General part information

LT3964 Series

The LT3964 is a dual synchronous step-down DC/DC converter with I2C interface designed to operate as a constant-current and constant-voltage source and is ideal for driving LEDs. The fixed frequency and peak current mode topology result in stable operation over a wide range of supply and output voltages. The ground referred voltage FB pin serves as the input for several LED protection features, and also allows the converter to operate as a constant-voltage source. The maximum output current is set by an external resistor, and the output current amplifier has a rail-to-rail common mode range. LT3964 uses an I2C interface to communicate with a microcontroller to read LED faults, write PWM and analog dimming registers and set fault masking. The I2C PWM input provides LED dimming ratios up to 8192:1. The I2C programmable CTRL register sets the gain of the external CTRL pin, and maximum current sense threshold, providing additional analog dimming capability.ApplicationsGeneral Purpose, Industrial, Medical and Automotive LightingConstant-Current, Constant-Voltage Source

Documents

Technical documentation and resources