Integrated Circuits (ICs)

MAX635AC/D

Obsolete

Analog Devices Inc./Maxim Integrated

IC REG BUCK ADJ/-1.31V 500MA DIE

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Integrated Circuits (ICs)

MAX635AC/D

Obsolete

Analog Devices Inc./Maxim Integrated

IC REG BUCK ADJ/-1.31V 500MA DIE

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DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	MAX635AC/D

Current - Output	500 mA
Frequency - Switching	50 kHz
Function	Step-Down/Inverted
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	70 °C
Operating Temperature [Min]	0 °C
Output Configuration	Negative
Output Type	Adjustable (Fixed)
Package / Case	Die
Supplier Device Package	Die
Synchronous Rectifier	False
Topology	Buck
Voltage - Input (Max) [Max]	16.5 V
Voltage - Input (Min) [Min]	2.3 V
Voltage - Output (Max) [Max]	-5 V
Voltage - Output (Min/Fixed)	-5 V
Voltage - Output (Min/Fixed)	-1.31 V

MAX635 Series

Preset/Adjustable Output CMOS Inverting Switching Regulators

Part	Package / Case	Output Configuration	Number of Outputs	Voltage - Output (Max) [Max]	Supplier Device Package	Voltage - Input (Min) [Min]	Function	Mounting Type	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Output (Min/Fixed)	Voltage - Output (Min/Fixed)	Current - Output	Topology	Frequency - Switching	Voltage - Input (Max) [Max]	Output Type	Package / Case	Package / Case
Analog Devices Inc./Maxim Integrated MAX635ACPA	8-DIP (0.300" 7.62mm)	Negative	1	-5 V	8-PDIP	2.3 V	Step-Down/Inverted	Through Hole	0 °C	70 °C	-5 V	-1.31 V	500 mA	Buck	50 kHz	16.5 V	Adjustable (Fixed)
Analog Devices Inc./Maxim Integrated MAX635ACSA	8-SOIC	Negative	1	-5 V	8-SOIC	2.3 V	Step-Down/Inverted	Surface Mount	0 °C	70 °C	-5 V	-1.31 V	500 mA	Buck	50 kHz	16.5 V	Adjustable (Fixed)	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX635AESA+	8-SOIC	Negative	1	-5 V	8-SOIC	2.3 V	Step-Down/Inverted	Surface Mount	-40 ¯C	85 C	-5 V	-1.31 V	500 mA	Buck	50 kHz	16.5 V	Adjustable (Fixed)	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX635AC/D	Die	Negative	1	-5 V	Die	2.3 V	Step-Down/Inverted	Surface Mount	0 °C	70 °C	-5 V	-1.31 V	500 mA	Buck	50 kHz	16.5 V	Adjustable (Fixed)
Analog Devices Inc./Maxim Integrated MAX635ACSA+T	8-SOIC	Negative	1	-5 V	8-SOIC	2.3 V	Step-Down/Inverted	Surface Mount	0 °C	70 °C	-5 V	-1.31 V	500 mA	Buck	50 kHz	16.5 V	Adjustable (Fixed)	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX635BCSA+T	8-SOIC	Negative	1	-5 V	8-SOIC	2.3 V	Step-Down/Inverted	Surface Mount	0 °C	70 °C	-5 V	-1.31 V	500 mA	Buck	50 kHz	16.5 V	Adjustable (Fixed)	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX635ACSA+	8-SOIC	Negative	1	-5 V	8-SOIC	2.3 V	Step-Down/Inverted	Surface Mount	0 °C	70 °C	-5 V	-1.31 V	500 mA	Buck	50 kHz	16.5 V	Adjustable (Fixed)	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX635AEPA+	8-DIP (0.300" 7.62mm)	Negative	1	-5 V	8-PDIP	2.3 V	Step-Down/Inverted	Through Hole	-40 ¯C	85 C	-5 V	-1.31 V	500 mA	Buck	50 kHz	16.5 V	Adjustable (Fixed)
Analog Devices Inc./Maxim Integrated MAX635AESA+T	8-SOIC	Negative	1	-5 V	8-SOIC	2.3 V	Step-Down/Inverted	Surface Mount	-40 ¯C	85 C	-5 V	-1.31 V	500 mA	Buck	50 kHz	16.5 V	Adjustable (Fixed)	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX635ACPA+	8-DIP (0.300" 7.62mm)	Negative	1	-5 V	8-PDIP	2.3 V	Step-Down/Inverted	Through Hole	0 °C	70 °C	-5 V	-1.31 V	500 mA	Buck	50 kHz	16.5 V	Adjustable (Fixed)

Pricing

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

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 0.00

Description

General part information

MAX635 Series

The MAX635/MAX636/MAX637 inverting switching regulators are designed for minimum component DC-DC conversion in the 5mW to 500mW range.Low power applications require only a diode, output filter capacitor, and a low-cost inductor. An additional MOSFET and driver are needed for higher power applications. Low battery detection circuitry is included on chip.The MAX635/MAX636/MAX637 are preset for -5V, -12V, -15V outputs, respectively. However, the regulators can be set to other levels by adding 2 resistors.Maxim manufactures a broad line of step-up, step-down, and inverting DC-DC converters, with features such as logic-level shutdown, adjustable oscillator freuqency, and external MOSFET drive.ApplicationsBattery Power ConversionBoard Level DC-DC ConversionMinimum Component, High -Efficiency DC-DC ConvertersPortable Instruments

Documents

Technical documentation and resources