Integrated Circuits (ICs)

MAX643ACSA+

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BOOST (STEP UP) SWITCHING REGULATOR, FIXED, 2V-16.5VIN, 15V OUT, 50 KHZ, NSOIC-8

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DocumentsPackage Drawing - Small-Outline IC, Narrow (0.15in)MAX641-MAX643: 5V Adjustable, 10W, CMOS, Step-Up, Switching Regulator Controller Data Sheet (Rev.0)+1

Integrated Circuits (ICs)

MAX643ACSA+

Active

Analog Devices Inc./Maxim Integrated

BOOST (STEP UP) SWITCHING REGULATOR, FIXED, 2V-16.5VIN, 15V OUT, 50 KHZ, NSOIC-8

Deep-Dive with AI

DocumentsPackage Drawing - Small-Outline IC, Narrow (0.15in)MAX641-MAX643: 5V Adjustable, 10W, CMOS, Step-Up, Switching Regulator Controller Data Sheet (Rev.0)+1

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	MAX643ACSA+

Current - Output	450 mA
Frequency - Switching	50 kHz
Function	Step-Up
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Output Configuration	Positive
Output Type	Adjustable (Fixed)
Package / Case	0.154 in
Package / Case	8-SOIC
Package / Case	3.9 mm
Supplier Device Package	8-SOIC
Synchronous Rectifier	False
Topology	Boost
Voltage - Input (Max) [Max]	16.5 V
Voltage - Input (Min) [Min]	2 V
Voltage - Output (Max) [Max]	18 V
Voltage - Output (Min/Fixed)	15 V
Voltage - Output (Min/Fixed)	1.31 V

MAX643 Series

5V Adjustable, 10W, CMOS, Step-Up, Switching Regulator Controller

Part	Voltage - Output (Min/Fixed)	Voltage - Output (Min/Fixed)	Number of Outputs	Voltage - Input (Min) [Min]	Operating Temperature [Max]	Operating Temperature [Min]	Topology	Mounting Type	Frequency - Switching	Output Configuration	Function	Current - Output	Voltage - Input (Max) [Max]	Voltage - Output (Max) [Max]	Output Type	Supplier Device Package	Package / Case	Package / Case	Package / Case
Analog Devices Inc./Maxim Integrated MAX643AEPA+	15 V	1.31 V	1	2 V	85 C	-40 ¯C	Boost	Through Hole	50 kHz	Positive	Step-Up	450 mA	16.5 V	18 V	Adjustable (Fixed)	8-PDIP	8-DIP (0.300" 7.62mm)
Analog Devices Inc./Maxim Integrated MAX643ACPA	15 V	2 V	1	2 V	70 °C	0 °C	Boost	Through Hole	50 kHz	Positive	Step-Up	450 mA	16.5 V	18 V	Adjustable (Fixed)	8-PDIP	8-DIP (0.300" 7.62mm)
Analog Devices Inc./Maxim Integrated MAX643AESA+T	15 V	1.31 V	1	2 V	85 C	-40 ¯C	Boost	Surface Mount	50 kHz	Positive	Step-Up	450 mA	16.5 V	18 V	Adjustable (Fixed)	8-SOIC	8-SOIC	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX643AESA+	15 V	1.31 V	1	2 V	85 C	-40 ¯C	Boost	Surface Mount	50 kHz	Positive	Step-Up	450 mA	16.5 V	18 V	Adjustable (Fixed)	8-SOIC	8-SOIC	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX643ACSA+T	15 V	1.31 V	1	2 V			Boost	Surface Mount	50 kHz	Positive	Step-Up	450 mA	16.5 V	18 V	Adjustable (Fixed)	8-SOIC	8-SOIC	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX643ACSA+	15 V	1.31 V	1	2 V	70 °C	0 °C	Boost	Surface Mount	50 kHz	Positive	Step-Up	450 mA	16.5 V	18 V	Adjustable (Fixed)	8-SOIC	8-SOIC	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX64380C/D+
Analog Devices Inc./Maxim Integrated MAX643ACPA+	15 V	1.31 V	1	2 V	70 °C	0 °C	Boost	Through Hole	50 kHz	Positive	Step-Up	450 mA	16.5 V	18 V	Adjustable (Fixed)	8-PDIP	8-DIP (0.300" 7.62mm)