LTC1174CS8#TRPBF

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Analog Devices

HIGH EFFICIENCY STEP-DOWN AND INVERTING DC/DC CONVERTER

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LTC1174CS8#TRPBF

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Analog Devices

HIGH EFFICIENCY STEP-DOWN AND INVERTING DC/DC CONVERTER

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Technical Specifications

Parameters and characteristics for this part

Specification	LTC1174CS8#TRPBF

Current - Output	340 mA, 600 mA
Frequency - Switching	200 kHz
Function	Step-Up, Step-Up/Step-Down, Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Output Configuration	Positive or Negative
Output Type	Adjustable
Package / Case	8-SOIC
Package / Case [x]	0.154 in
Package / Case [y]	3.9 mm
Supplier Device Package	8-SO
Synchronous Rectifier	False
Topology	Buck-Boost, Buck
Voltage - Input (Max) [Max]	13.5 V
Voltage - Input (Min) [Min]	4 V
Voltage - Output (Max) [Max]	13 V
Voltage - Output (Min/Fixed)	1.25 V

LTC1174 Series

High Efficiency Step-Down and Inverting DC/DC Converter

Part	Supplier Device Package	Voltage - Input (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Frequency - Switching	Topology	Function	Output Configuration	Voltage - Input (Min) [Min]	Package / Case	Package / Case	Package / Case	Voltage - Output (Min/Fixed)	Number of Outputs	Current - Output	Mounting Type	Output Type	Package / Case [y]	Package / Case [x]	Voltage - Output (Max) [Max]	Output Type
Analog Devices LTC1174CN8-3.3#PBF	8-PDIP	13.5 V	70 °C	0 °C	200 kHz	Buck Buck-Boost	Step-Down Step-Up Step-Up/Step-Down	Positive or Negative	4 V	0.3 in	8-DIP	7.62 mm	3.3 V	1	340 mA 600 mA	Through Hole	1.81 mOhm
Analog Devices LTC1174CN8-5#PBF	8-PDIP	13.5 V	70 °C	0 °C	200 kHz	Buck Buck-Boost	Step-Down Step-Up Step-Up/Step-Down	Positive or Negative	4 V	0.3 in	8-DIP	7.62 mm	5 V	1	340 mA 600 mA	Through Hole	1.81 mOhm
Analog Devices LTC1174CS8#PBF	8-SO	13.5 V	70 °C	0 °C	200 kHz	Buck Buck-Boost	Step-Down Step-Up Step-Up/Step-Down	Positive or Negative	4 V		8-SOIC		1.25 V	1	340 mA 600 mA	Surface Mount		3.9 mm	0.154 in	13 V	Adjustable
Analog Devices LTC1174HVCN8-5#PBF	8-PDIP	18.5 V	70 °C	0 °C	200 kHz	Buck Buck-Boost	Step-Down Step-Up Step-Up/Step-Down	Positive or Negative	4 V	0.3 in	8-DIP	7.62 mm	5 V	1	340 mA 600 mA	Through Hole	1.81 mOhm
Analog Devices LTC1174HVCS8-5#PBF	8-SO	18.5 V	70 °C	0 °C	200 kHz	Buck Buck-Boost	Step-Down Step-Up Step-Up/Step-Down	Positive or Negative	4 V		8-SOIC		5 V	1	340 mA 600 mA	Surface Mount	1.81 mOhm	3.9 mm	0.154 in
Analog Devices LTC1174IS8#TRPBF	8-SO	18.5 V	85 °C	-40 °C	200 kHz	Buck Buck-Boost	Step-Down Step-Up Step-Up/Step-Down	Positive or Negative	4 V		8-SOIC		1.25 V	1	340 mA 600 mA	Surface Mount		3.9 mm	0.154 in	13 V	Adjustable
Analog Devices LTC1174HVCN8-3.3#PBF	8-PDIP	18.5 V	70 °C	0 °C	200 kHz	Buck Buck-Boost	Step-Down Step-Up Step-Up/Step-Down	Positive or Negative	4 V	0.3 in	8-DIP	7.62 mm	3.3 V	1	340 mA 600 mA	Through Hole	1.81 mOhm
Analog Devices LTC1174HVIS8#TRPBF	8-SO	18.5 V	85 °C	-40 °C	200 kHz	Buck Buck-Boost	Step-Down Step-Up Step-Up/Step-Down	Positive or Negative	4 V		8-SOIC		1.25 V	1	340 mA 600 mA	Surface Mount		3.9 mm	0.154 in	18 V	Adjustable
Analog Devices LTC1174HVIS8#PBF	8-SO	18.5 V	85 °C	-40 °C	200 kHz	Buck Buck-Boost	Step-Down Step-Up Step-Up/Step-Down	Positive or Negative	4 V		8-SOIC		1.25 V	1	340 mA 600 mA	Surface Mount		3.9 mm	0.154 in	18 V	Adjustable
Analog Devices LTC1174CS8#TRPBF	8-SO	13.5 V	70 °C	0 °C	200 kHz	Buck Buck-Boost	Step-Down Step-Up Step-Up/Step-Down	Positive or Negative	4 V		8-SOIC		1.25 V	1	340 mA 600 mA	Surface Mount		3.9 mm	0.154 in	13 V	Adjustable

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tape & Reel (TR)	2500	$ 6.92

Description

General part information

LTC1174 Series

The LTC1174 is a simple current mode DC/DC converter ideally suited for 9V to 5V, 5V to 3.3V or 5V to –5V operation. With an internal 0.9Ω switch (at a supply voltage of 9V), the LTC1174 requires only four external components to construct a complete high efficiency DC/DC converter.Under a no load condition the LTC1174 draws only 130μA. In shutdown, it draws a mere 1μA making this converter ideal for current sensitive applications. In dropout, the internal P-channel MOSFET switch is turned on continuously allowing the user to maximize the life of the battery source.The maximum inductor current of the LTC1174 family is pin selectable to either 340mA or 600mA, optimizing efficiency for a wide range of applications. Operation up to 200kHz permits the use of small surface mount inductors and capacitors.For applications requiring higher output current or ultrahigh efficiency, see the LTC1148 data sheet.ApplicationsDistributed Power SystemsStep-Down ConvertersInverting ConvertersMemory Backup SupplyPortable InstrumentsBattery-Powered Equipment

LTC1174CS8#TRPBF

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LTC1174CS8#TRPBF

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Technical Specifications

LTC1174 Series

Pricing

Description

LTC1174 Series

Documents

R245 Reliability Data

Datasheet

Tape and Reel Packaging

LTC1174 Series