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 Length	0.154 in
Package Name	8-SOIC
Package Width	3.9 mm
Synchronous Rectifier	No
Topology	Boost
Voltage - Input (Max)	16.5 V
Voltage - Input (Min)	2 V
Voltage - Output (Fixed Options)	15V
Voltage - Output (Max)	18 V
Voltage - Output (Min)	1.31 V

MAX643 Series

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

Part	Synchronous Rectifier	Package Length	Package Name	Package Width	Output Type	Voltage - Output (Max)	Voltage - Input (Max)	Current - Output	Function	Output Configuration	Frequency - Switching	Mounting Type	Topology	Operating Temperature (Max)	Operating Temperature (Min)	Voltage - Input (Min)	Number of Outputs	Voltage - Output (Fixed Options)	Voltage - Output (Min)
Analog Devices Inc./Maxim Integrated MAX643AEPA+	No	0.3 in	8-DIP 8-PDIP	7.62 mm	Adjustable (Fixed)	18 V	16.5 V	450 mA	Step-Up	Positive	50 kHz	Through Hole	Boost	85 °C	-40 °C	2 V	1	15V	1.31 V
Analog Devices Inc./Maxim Integrated MAX643ACPA	No	0.3 in	8-DIP 8-PDIP	7.62 mm	Adjustable (Fixed)	18 V	16.5 V	450 mA	Step-Up	Positive	50 kHz	Through Hole	Boost	70 °C	0 °C	2 V	1	15V	2 V
Analog Devices Inc./Maxim Integrated MAX643AESA+T	No	0.154 in	8-SOIC	3.9 mm	Adjustable (Fixed)	18 V	16.5 V	450 mA	Step-Up	Positive	50 kHz	Surface Mount	Boost	85 °C	-40 °C	2 V	1	15V	1.31 V
Analog Devices Inc./Maxim Integrated MAX643AESA+	No	0.154 in	8-SOIC	3.9 mm	Adjustable (Fixed)	18 V	16.5 V	450 mA	Step-Up	Positive	50 kHz	Surface Mount	Boost	85 °C	-40 °C	2 V	1	15V	1.31 V
Analog Devices Inc./Maxim Integrated MAX643ACSA+T	No	0.154 in	8-SOIC	3.9 mm	Adjustable (Fixed)	18 V	16.5 V	450 mA	Step-Up	Positive	50 kHz	Surface Mount	Boost			2 V	1	15V	1.31 V
Analog Devices Inc./Maxim Integrated MAX643ACSA+	No	0.154 in	8-SOIC	3.9 mm	Adjustable (Fixed)	18 V	16.5 V	450 mA	Step-Up	Positive	50 kHz	Surface Mount	Boost	70 °C	0 °C	2 V	1	15V	1.31 V
Analog Devices Inc./Maxim Integrated MAX64380C/D+
Analog Devices Inc./Maxim Integrated MAX643ACPA+	No	0.3 in	8-DIP 8-PDIP	7.62 mm	Adjustable (Fixed)	18 V	16.5 V	450 mA	Step-Up	Positive	50 kHz	Through Hole	Boost	70 °C	0 °C	2 V	1	15V	1.31 V

Pricing

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

Create a free account to access distributor pricing data.

CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

Package Drawing - Small-Outline IC, Narrow (0.15in)

MAX641-MAX643: 5V Adjustable, 10W, CMOS, Step-Up, Switching Regulator Controller Data Sheet (Rev.0)

MAX641: Military Datasheet

Technical Data Sheet EN

MAX643ACSA+ | Datasheet