LTC3527EUD#PBF

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Analog Devices

DUAL 800MA/400MA, 1.2MHZ/2.2MHZ SYNCHRONOUS STEP-UP DC/DC CONVERTERS

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LTC3527EUD#PBF

Active

Analog Devices

DUAL 800MA/400MA, 1.2MHZ/2.2MHZ SYNCHRONOUS STEP-UP DC/DC CONVERTERS

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LTC3527EUD#PBF

Current - Output	400 mA, 800 mA
Function	Step-Up
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	16-WFQFN Exposed Pad
Supplier Device Package	16-QFN (3x3)
Synchronous Rectifier	True
Topology	Boost
Voltage - Input (Max) [Max]	5 V
Voltage - Input (Min) [Min]	0.88 V
Voltage - Output (Max) [Max]	5.25 V
Voltage - Output (Min/Fixed)	1.6 V

LTC3527 Series

Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters

Part	Voltage - Input (Max) [Max]	Output Configuration	Voltage - Output (Max) [Max]	Function	Package / Case	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Input (Min) [Min]	Mounting Type	Supplier Device Package	Topology	Current - Output	Voltage - Output (Min/Fixed)	Number of Outputs	Output Type
Analog Devices LTC3527EUD#PBF	5 V	Positive	5.25 V	Step-Up	16-WFQFN Exposed Pad	85 °C	-40 °C	0.88 V	Surface Mount	16-QFN (3x3)	Boost	400 mA 800 mA	1.6 V	2	Adjustable
Analog Devices LTC3527EUD-1#PBF	5 V	Positive	5.25 V	Step-Up	16-WFQFN Exposed Pad	85 °C	-40 °C	0.88 V	Surface Mount	16-QFN (3x3)	Boost	400 mA 800 mA	1.6 V	2	Adjustable
Analog Devices LTC3527EUD-1#PBF	5 V	Positive	5.25 V	Step-Up	16-WFQFN Exposed Pad	85 °C	-40 °C	0.88 V	Surface Mount	16-QFN (3x3)	Boost	400 mA 800 mA	1.6 V	2	Adjustable
Analog Devices LTC3527EUD#TRPBF	5 V	Positive	5.25 V	Step-Up	16-WFQFN Exposed Pad	85 °C	-40 °C	0.88 V	Surface Mount	16-QFN (3x3)	Boost	400 mA 800 mA	1.6 V	2	Adjustable
Analog Devices LTC3527EUD-1#TRPBF	5 V	Positive	5.25 V	Step-Up	16-WFQFN Exposed Pad	85 °C	-40 °C	0.88 V	Surface Mount	16-QFN (3x3)	Boost	400 mA 800 mA	1.6 V	2	Adjustable

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	$ 9.50
		10	$ 6.58
		25	$ 5.83
		100	$ 4.99
		250	$ 4.58
		500	$ 4.33
		1000	$ 4.12

Description

General part information

LTC3527 Series

The LTC3527/LTC3527-1 are dual high efficiency, step-up DC/DC converters in a space saving 16-lead 3mm × 3mm QFN package. Battery life is maximized with a 700mV startup voltage and operation down to 500mV once started. TheSHDNand PGOOD pins enable the converters to be sequenced or started together.The LTC3527/LTC3527-1 limit inrush current during startup. Selectable 1.2MHz or 2.2MHz operation provides a choice between the highest efficiency or smallest solution footprint. The current mode PWM design is internally compensated reducing external parts count. Burst Mode operation or fixed frequency operation is selectable via the MODE pin. Anti-ring circuitry reduces EMI in discontinuous mode. This device also features thermal shutdown.True output disconnect allows the output to be completely open in shutdown. The LTC3527-1 actively discharges VOUT1or VOUT2when its respectiveSHDNgoes low. Quiescent current in shutdown is less than 2μA.ApplicationsMP3/Personal Media PlayersNoise Canceling/Bluetooth HeadsetsWireless MicePortable Medical Instruments