LM2574-3.3BN

Obsolete

Microchip Technology

SWITCHING REGULATOR VOLTAGE-MODE 1.8A 63KHZ SWITCHING FREQ-MAX BIPOLAR PDIP8

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LM2574-3.3BN

Obsolete

Microchip Technology

SWITCHING REGULATOR VOLTAGE-MODE 1.8A 63KHZ SWITCHING FREQ-MAX BIPOLAR PDIP8

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LM2574-3.3BN

Current - Output	500 mA
Frequency - Switching	52 kHz
Function	Step-Down
Mounting Type	Through Hole
Number of Outputs	1
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	1.81 mOhm
Package / Case	0.3 in
Package / Case	8-DIP
Package / Case	7.62 mm
Supplier Device Package	8-PDIP
Synchronous Rectifier	False
Topology	Buck
Voltage - Output (Min/Fixed)	3.3 V

LM2574 Series

Part	Topology	Number of Outputs	Output Type	Voltage - Output (Max)	Output Configuration	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Output (Min/Fixed)	Package / Case	Package / Case	Package / Case	Function	Mounting Type	Current - Output	Frequency - Switching	Supplier Device Package	Output Type	Voltage - Input (Min) [Min]
Microchip Technology LM2574BWM	Buck	1	Adjustable	37 V	Positive	85 °C	-40 °C	1.23 V	0.295 in	14-SOIC	7.5 mm	Step-Down	Surface Mount	500 mA	52 kHz
Microchip Technology LM2574BN	Buck	1	Adjustable	37 V	Positive	125 ¯C	-40 °C	1.23 V	0.3 in	8-DIP	7.62 mm	Step-Down	Through Hole	500 mA	52 kHz	8-PDIP
Microchip Technology LM2574-12YN	Buck	1			Positive	125 ¯C	-40 °C	12 V	0.3 in	8-DIP	7.62 mm	Step-Down	Through Hole	500 mA	52 kHz	8-PDIP	1.81 mOhm
Microchip Technology LM2574YN	Buck	1	Adjustable	37 V	Positive	125 ¯C	-40 °C	1.23 V	0.3 in	8-DIP	7.62 mm	Step-Down	Through Hole	500 mA	52 kHz	8-PDIP
Microchip Technology LM2574-33BWM	Buck	1			Positive	85 °C	-40 °C	3.3 V	0.295 in	14-SOIC	7.5 mm	Step-Down	Surface Mount	500 mA	52 kHz		1.81 mOhm
Microchip Technology LM2574-12BWM	Buck	1			Positive	85 °C	-40 °C	12 V	0.295 in	14-SOIC	7.5 mm	Step-Down	Surface Mount	500 mA	52 kHz		1.81 mOhm
Microchip Technology LM2574-3.3BN	Buck	1			Positive	125 ¯C	-40 °C	3.3 V	0.3 in	8-DIP	7.62 mm	Step-Down	Through Hole	500 mA	52 kHz	8-PDIP	1.81 mOhm
Microchip Technology LM2574BWM TR	Buck	1	Adjustable	37 V	Positive	125 ¯C	-40 °C	1.23 V	0.295 in	14-SOIC	7.5 mm	Step-Down	Surface Mount	500 mA	52 kHz			4 V
Microchip Technology LM2574-3.3BWM	Buck	1			Positive	85 °C	-40 °C	3.3 V	0.295 in	14-SOIC	7.5 mm	Step-Down	Surface Mount	500 mA	52 kHz		1.81 mOhm
Microchip Technology LM2574-12BN	Buck	1			Positive	125 ¯C	-40 °C	12 V	0.3 in	8-DIP	7.62 mm	Step-Down	Through Hole	500 mA	52 kHz	8-PDIP	1.81 mOhm

Pricing

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

Distributor	Package	Quantity	$

Digikey	Bulk	360	$ 0.83

Description

General part information

LM2574 Series

Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 500mA 8-DIP (0.300", 7.62mm)

Documents

Technical documentation and resources