LTC3528BEDDB-2#TRMPBF

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Analog Devices Inc./Maxim Integrated

1A, 2MHZ SYNCHRONOUS STEP-UP DC/DC CONVERTER IN 2MM × 3MM DFN

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LTC3528BEDDB-2#TRMPBF

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Analog Devices Inc./Maxim Integrated

1A, 2MHZ SYNCHRONOUS STEP-UP DC/DC CONVERTER IN 2MM × 3MM DFN

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Description Specifications Series Pricing CAD Documents

Description

General part information

LTC3528B-2 Series

The LTC3528B-2 is a synchronous, ﬁxed frequency step-up DC/DC converter with output disconnect. High efficiency synchronous rectification, in addition to a 700mV start-up voltage and operation down to 500mV once started, provides longer run-time for single or multiple cell battery-powered products.A switching frequency of 2MHz minimizes solution foot- print by allowing the use of tiny, low proﬁle inductors and ceramic capacitors. The current mode PWM is internally compensated, simplifying the design process. The LTC3528B-2 features continuous switching at light loads. Anti-ringing circuitry reduces EMI by damping the inductor in discontinuous mode. Additional features include a low shutdown current, open-drain power good output, short- circuit protection and thermal overload protection.The LTC3528B-2 is offered in an 8-lead 2mm × 3mm × 0.75mm DFN package.FrequencyFeaturesLTC35281MHzYesLTC3528B1MHzNoLTC3528-22MHzYesLTC3528B-22MHzNoApplicationsMedical InstrumentsFlash-Based MP3 PlayersNoise Canceling HeadphonesWireless MiceBluetooth Headsets

Technical Specifications

Parameters and characteristics for this part

Specification	LTC3528BEDDB-2#TRMPBF

Current - Output	1 A
Frequency - Switching	2 MHz
Function	Step-Up
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	8-WFDFN Exposed Pad
Package Length	3 mm
Package Name	8-DFN
Package Width	2 mm
Synchronous Rectifier	Yes
Topology	Boost
Voltage - Input (Max)	5.5 V
Voltage - Input (Min)	0.88 V
Voltage - Output (Max)	5.25 V
Voltage - Output (Min/Fixed)	1.6 V

LTC3528B-2 Series

1A, 2MHz Synchronous Step-Up DC/DC Converter in 2mm × 3mm DFN

Part	Synchronous Rectifier	Function	Package / Case	Operating Temperature (Max)	Operating Temperature (Min)	Topology	Number of Outputs	Voltage - Output (Max)	Voltage - Output (Min/Fixed)	Mounting Type	Current - Output	Voltage - Input (Min)	Output Configuration	Voltage - Input (Max)	Output Type	Package Width	Package Name	Package Length	Frequency - Switching
Analog Devices Inc./Maxim Integrated LTC3528BEDDB-2#TRMPBF	Yes	Step-Up	8-WFDFN Exposed Pad	125 °C	-40 °C	Boost	1	5.25 V	1.6 V	Surface Mount	1 A	0.88 V	Positive	5.5 V	Adjustable	2 mm	8-DFN	3 mm	2 MHz

Pricing

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CAD

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Documents

Technical documentation and resources

R457 Reliability Data

LTC3528BEDDB-2#TRMPBF | Datasheet