Integrated Circuits (ICs)

MAX637AESA+T

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CONV DC-DC 2.3V TO 16.5V INV SINGLE-OUT -15V 0.525A 0.05W 8-PIN SOIC N T/R

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DocumentsPackage Drawing - Small-Outline IC, Narrow (0.15in)MAX635-MAX637: Preset/Adjustable Output CMOS Inverting Switching Regulators Data Sheet (Rev.0)

Integrated Circuits (ICs)

MAX637AESA+T

Active

Analog Devices Inc./Maxim Integrated

CONV DC-DC 2.3V TO 16.5V INV SINGLE-OUT -15V 0.525A 0.05W 8-PIN SOIC N T/R

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DocumentsPackage Drawing - Small-Outline IC, Narrow (0.15in)MAX635-MAX637: Preset/Adjustable Output CMOS Inverting Switching Regulators Data Sheet (Rev.0)

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	MAX637AESA+T

Current - Output	0.2 A
Frequency - Switching	50 kHz
Function	Step-Down/Inverted
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 C
Operating Temperature [Min]	-40 ¯C
Output Configuration	Negative
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	Buck
Voltage - Input (Max) [Max]	16.5 V
Voltage - Input (Min) [Min]	2.3 V
Voltage - Output (Max) [Max]	-15 V
Voltage - Output (Min/Fixed)	-1.31 V
Voltage - Output (Min/Fixed)	-15 V

MAX637 Series

Part	Frequency - Switching	Mounting Type	Supplier Device Package	Voltage - Input (Max) [Max]	Voltage - Input (Min) [Min]	Voltage - Output (Max) [Max]	Topology	Package / Case	Output Type	Output Configuration	Number of Outputs	Voltage - Output (Min/Fixed)	Voltage - Output (Min/Fixed)	Current - Output	Function	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Package / Case
Analog Devices Inc./Maxim Integrated MAX637AEPA+	50 kHz	Through Hole	8-PDIP	16.5 V	2.3 V	-15 V	Buck	8-DIP (0.300" 7.62mm)	Adjustable (Fixed)	Negative	1	-1.31 V	-15 V	0.2 A	Step-Down/Inverted	85 C	-40 ¯C
Analog Devices Inc./Maxim Integrated MAX637ACPA+	50 kHz	Through Hole	8-PDIP	16.5 V	2.3 V	-15 V	Buck	8-DIP (0.300" 7.62mm)	Adjustable (Fixed)	Negative	1	-1.31 V	-15 V	0.2 A	Step-Down/Inverted	70 °C	0 °C
Analog Devices Inc./Maxim Integrated MAX637AESA+T	50 kHz	Surface Mount	8-SOIC	16.5 V	2.3 V	-15 V	Buck	8-SOIC	Adjustable (Fixed)	Negative	1	-1.31 V	-15 V	0.2 A	Step-Down/Inverted	85 C	-40 ¯C	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX637ACSA+T	50 kHz	Surface Mount	8-SOIC	16.5 V	2.3 V	-15 V	Buck	8-SOIC	Adjustable (Fixed)	Negative	1	-1.31 V	-15 V	0.2 A	Step-Down/Inverted	70 °C	0 °C	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX637ACPA	50 kHz	Through Hole	8-PDIP	16.5 V	2.3 V	-15 V	Buck	8-DIP (0.300" 7.62mm)	Adjustable (Fixed)	Negative	1	-1.31 V	-15 V	0.2 A	Step-Down/Inverted	70 °C	0 °C
Analog Devices Inc./Maxim Integrated MAX637ACSA+	50 kHz	Surface Mount	8-SOIC	16.5 V	2.3 V	-15 V	Buck	8-SOIC	Adjustable (Fixed)	Negative	1	-1.31 V	-15 V	0.2 A	Step-Down/Inverted	70 °C	0 °C	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX637ACSA	50 kHz	Surface Mount	8-SOIC	16.5 V	2.3 V	-15 V	Buck	8-SOIC	Adjustable (Fixed)	Negative	1	-1.31 V	-15 V	0.2 A	Step-Down/Inverted	70 °C	0 °C	0.154 in	3.9 mm
Analog Devices Inc./Maxim Integrated MAX637AESA+	50 kHz	Surface Mount	8-SOIC	16.5 V	2.3 V	-15 V	Buck	8-SOIC	Adjustable (Fixed)	Negative	1	-1.31 V	-15 V	0.2 A	Step-Down/Inverted	85 C	-40 ¯C	0.154 in	3.9 mm

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	$ 8.25
	Tape & Reel (TR)	2500	$ 7.76

Description

General part information

MAX637 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

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

Package Drawing

MAX635-MAX637: Preset/Adjustable Output CMOS Inverting Switching Regulators Data Sheet (Rev.0)

Data Sheet