LT3489EMS8E#PBF

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Analog Devices

2MHZ BOOST DC/DC CONVERTER WITH 2.5A SWITCH AND SOFT-START

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LT3489EMS8E#PBF

Active

Analog Devices

2MHZ BOOST DC/DC CONVERTER WITH 2.5A SWITCH AND SOFT-START

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DocumentsDatasheet R530 Reliability Data

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LT3489EMS8E#PBF

Current - Output	2.5 A
Frequency - Switching	2 MHz
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 Type	Adjustable
Package / Case	Exposed Pad, 8-TSSOP, 8-MSOP
Package / Case [custom]	0.118 in, 3 mm
Supplier Device Package	8-MSOP-EP
Synchronous Rectifier	False
Topology	Boost
Voltage - Input (Max) [Max]	16 V
Voltage - Input (Min) [Min]	2.6 V
Voltage - Output (Max) [Max]	40 V
Voltage - Output (Min/Fixed)	2.6 V

LT3489 Series

2MHz Boost DC/DC Converter with 2.5A Switch and Soft-Start

Part	Number of Outputs	Synchronous Rectifier	Current - Output	Voltage - Output (Min/Fixed)	Output Type	Output Configuration	Topology	Package / Case	Package / Case [custom]	Function	Voltage - Input (Max) [Max]	Supplier Device Package	Voltage - Input (Min) [Min]	Frequency - Switching	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Voltage - Output (Max) [Max]
Analog Devices LT3489EMS8E#TRPBF	1		2.5 A	2.6 V	Adjustable	Positive	Boost	8-MSOP 8-TSSOP Exposed Pad	0.118 in 3 mm	Step-Up	16 V	8-MSOP-EP	2.6 V	2 MHz	85 °C	-40 °C	Surface Mount	40 V
Analog Devices LT3489EMS8E#PBF	1		2.5 A	2.6 V	Adjustable	Positive	Boost	8-MSOP 8-TSSOP Exposed Pad	0.118 in 3 mm	Step-Up	16 V	8-MSOP-EP	2.6 V	2 MHz	85 °C	-40 °C	Surface Mount	40 V

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 7.50
		10	$ 5.12
		25	$ 4.50
		100	$ 3.81
		250	$ 3.48
		500	$ 3.28
		1000	$ 3.11
		2500	$ 2.95

Description

General part information

LT3489 Series

The LT3489 is a ﬁxed frequency step-up DC/DC converter containing an internal 2.5A, 40V switch. The LT3489 is ideal for large TFT-LCD panel power supplies. The LT3489 switches at 2MHz, allowing the use of tiny, low proﬁle inductors and low value ceramic capacitors. Loop compensation can be either internal or external, giving the user ﬂexibility in setting loop compensation and allowing optimized transient response with low ESR ceramic output capacitors. Soft-start is controlled with an external capacitor, which determines the input current ramp rate during start-up.The 8-lead MS8E package and high switching frequency ensure a low proﬁle overall solution less than 1.1mm high.ApplicationsTFT-LCD Bias SuppliesGPS ReceiversDSL ModemsLocal Power Supply