LTC3704EMS#PBF

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Analog Devices

WIDE INPUT RANGE, NO RSENSE™POSITIVE-TO-NEGATIVE DC/DC CONTROLLER

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LTC3704EMS#PBF

Active

Analog Devices

WIDE INPUT RANGE, NO RSENSE™POSITIVE-TO-NEGATIVE DC/DC CONTROLLER

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DocumentsDatasheet R384 Reliability Data

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LTC3704EMS#PBF

Clock Sync	True
Control Features	Frequency Control, Enable
Duty Cycle (Max) [Max]	92 %
Frequency - Switching [Max]	1 MHz
Frequency - Switching [Min]	50 kHz
Function	Step-Up/Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Negative
Output Phases	1
Output Type	Transistor Driver
Package / Case	10-MSOP, 10-TFSOP
Package / Case [x]	3 mm
Package / Case [x]	0.118 in
Supplier Device Package	10-MSOP
Synchronous Rectifier	False
Topology	Cuk
Voltage - Supply (Vcc/Vdd) [Max]	36 V
Voltage - Supply (Vcc/Vdd) [Min]	2.5 V

LTC3704 Series

Wide Input Range, No RSENSE™Positive-to-Negative DC/DC Controller

Part	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Supplier Device Package	Duty Cycle (Max) [Max]	Frequency - Switching [Min]	Frequency - Switching [Max]	Function	Operating Temperature [Min]	Operating Temperature [Max]	Control Features	Number of Outputs	Mounting Type	Topology	Output Phases	Package / Case	Package / Case [x]	Package / Case [x]	Output Configuration	Output Type
Analog Devices LTC3704IMS#TRPBF	2.5 V	36 V	10-MSOP	92 %	50 kHz	1 MHz	Step-Up/Step-Down	-40 °C	125 ¯C	Enable Frequency Control	1	Surface Mount	Cuk	1	10-MSOP 10-TFSOP	3 mm	0.118 in	Negative	Transistor Driver
Analog Devices LTC3704IMS	2.5 V	36 V	10-MSOP	92 %	50 kHz	1 MHz	Step-Up/Step-Down	-40 °C	85 °C	Enable Frequency Control	1	Surface Mount	Cuk	1	10-MSOP 10-TFSOP	3 mm	0.118 in	Positive or Negative	Transistor Driver
Analog Devices LTC3704EMS#PBF	2.5 V	36 V	10-MSOP	92 %	50 kHz	1 MHz	Step-Up/Step-Down	-40 °C	85 °C	Enable Frequency Control	1	Surface Mount	Cuk	1	10-MSOP 10-TFSOP	3 mm	0.118 in	Negative	Transistor Driver

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	$ 7.79
		10	$ 5.33
		50	$ 4.30
		100	$ 3.98
		250	$ 3.64
		500	$ 3.43
		1000	$ 3.25
		2500	$ 3.10

Description

General part information

LTC3704 Series

The LTC3704 is a wide input range, current mode, positive-to-negative DC/DC controller that drives an N-channel power MOSFET and requires very few external components. Intended for low to high power applications, it eliminates the need for a current sense resistor by utilizing the power MOSFET’s on-resistance, thereby maximizing efficiency.The IC’s operating frequency can be set with an external resistor over a 50kHz to 1MHz range, and can be synchronized to an external clock using the MODE/SYNC pin. Burst Mode operation at light loads, a low minimum operating supply voltage of 2.5V and a low shutdown quiescent current of 10µA make the LTC3704 ideally suited for battery-operated systems.For applications requiring constant frequency operation, the Burst Mode operation feature can be defeated using the MODE/SYNC pin. Higher than 36V switch voltage applications are possible with the LTC3704 by connecting the SENSE pin to a resistor in the source of the power MOSFET.The LTC3704 is available in the 10-lead MSOP package.ApplicationsSLIC Power SuppliesTelecom Power SuppliesPortable Electronic EquipmentCable and DSL ModemsRouter Supplies