The MAX1744/MAX1745 are step-down DC-DC controllers capable of handling up to 36V inputs. These parts use a proprietary current-limited control scheme for excellent light- and full-load efficiency, while their 330kHz (max) switching frequency permits small external components for space-critical applications. Operation to 100% duty cycle permits the lowest possible dropout voltage.

The MAX1744 contains an internal feedback network that provides a pin-selectable output voltage of either 3.3V or 5V. The MAX1745 uses an external feedback network to generate an adjustable output voltage between 1.25V and 18V.

The MAX1744/MAX1745 are available in a space-saving 10-pin μMAX® package.

High-Voltage Operation (up to 36VIN)

Efficiency > 90%

Output Power Capability Exceeds 50W

10-Pin μMax Package

Low-Dropout Voltage

100% (max) Duty Cycle

90μA Quiescent Current

4μA Shutdown Current

Up to 330kHz Switching Frequency

Output Voltage

5V or 3.3V (MAX1744)

Adjustable 1.25V to 18V (MAX1745)

Current-Limited Control Scheme

Applications

Automotive Electronics

Industrial Control Systems

Telecom Systems

Wall-Cube-Powered Devices

Related Resources

Sélectionner tout	Attribut	Valeur
	Marque	Maxim Integrated
	Product Type	Voltage Regulator
	Package Type	μMAX
	Mount Type	Surface
	Polarity	Positive
	Quiescent Current	90μA
	Pin Count	10
	Power Rating	50W
	Standards/Approvals	No
	Width	3.05 mm
	Height	0.95mm
	Series	MAX1745
	Length	3.05mm
	Minimum Input Voltage	4.5V
	Maximum Operating Temperature	125°C
	Maximum Input Voltage	36V
	Automotive Standard	No

	Sélectionner tout
	Marque Maxim Integrated
	Product Type Voltage Regulator
	Package Type μMAX
	Mount Type Surface
	Polarity Positive
	Quiescent Current 90μA
	Pin Count 10
	Power Rating 50W
	Standards/Approvals No
	Width 3.05 mm
	Height 0.95mm
	Series MAX1745
	Length 3.05mm
	Minimum Input Voltage 4.5V
	Maximum Operating Temperature 125°C
	Maximum Input Voltage 36V
	Automotive Standard No

Maxim Integrated MAX1745AUB+, Voltage Regulator 50 W 36V μMAX 10-Pin

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