Integrated Circuits (ICs)

LT1268BCT#PBF

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Analog Devices

3.5V~30V 7.5A 1.244V~60V TO-220-5 DC-DC CONVERTERS ROHS

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Integrated Circuits (ICs)

LT1268BCT#PBF

Active

Analog Devices

3.5V~30V 7.5A 1.244V~60V TO-220-5 DC-DC CONVERTERS ROHS

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LT1268BCT#PBF

Function	Step-Up, Step-Up/Step-Down, Step-Down
Mounting Type	Through Hole
Number of Outputs	1
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	0 °C
Output Configuration	Positive or Negative
Output Type	Adjustable
Package / Case	TO-220-5
Supplier Device Package	TO-220-5
Synchronous Rectifier	False
Topology	Boost, Flyback, Buck
Voltage - Input (Max) [Max]	30 V
Voltage - Input (Min) [Min]	3.5 V
Voltage - Output (Max)	60 V
Voltage - Output (Min/Fixed)	1.244 V

LT1268 Series

7.5A, 150kHz Switching Regulators

Part	Mounting Type	Voltage - Output (Min/Fixed)	Output Type	Function	Topology	Supplier Device Package	Voltage - Input (Max) [Max]	Package / Case	Operating Temperature [Min]	Operating Temperature [Max]	Output Configuration	Voltage - Input (Min) [Min]	Synchronous Rectifier	Number of Outputs	Voltage - Output (Max)
Analog Devices LT1268BCT#PBF	Through Hole	1.244 V	Adjustable	Step-Down Step-Up Step-Up/Step-Down	Boost Buck Flyback	TO-220-5	30 V	TO-220-5	0 °C	125 ¯C	Positive or Negative	3.5 V		1	60 V
Analog Devices LT1268CT#PBF	Through Hole	1.244 V	Adjustable	Step-Down Step-Up Step-Up/Step-Down	Boost Buck Flyback	TO-220-5	30 V	TO-220-5	0 °C	125 ¯C	Positive or Negative	3.5 V		1	60 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	$ 22.55
		10	$ 16.52
		25	$ 14.97
		100	$ 13.25
LCSC	Piece	1	$ 8.74
		200	$ 3.38
		500	$ 3.26
		1000	$ 3.21

Description

General part information

LT1268 Series

The LT1268B and LT1268 are monolithic high power switching regulators. Identical to the popular LT1070, except for switching frequency (150kHz) and higher switch current, they can be operated in all standard switching configurations including buck, boost, flyback, and inverting. A high current, high efficiency switch is included on the die along with all oscillator, control, and protection circuitry. Integration of all functions allows the LT1268 to be built in standard 5-pin power packages. This makes it extremely easy to use and provides "bust proof" operations similar to that obtained with 3-pin linear regulators.The LT1268 operate with supply voltages from 3.5V to 30V and draw only 7mA quiescent current. By utilizing current mode switching techniques, it provides excellent AC and DC load and line regulation.The LT1268 use an adaptive anti-sat switch drive to allow very wide ranging load currents with no loss in efficiency. An externally activated shutdown mode reduces total supply current to 100µA typical for standby operation.ApplicationsHigh Efficiency Boost ConverterPC Power Supply with Multiple OutputsBattery UpconverterNegative-to-Positive Converter