ACT4501SH-T

Voltage - Input (Max):	30V
Supplier Device Package:	8-SOP
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	125kHz
Current - Output:	1.25A
Voltage - Output (Max):	12V
Voltage - Output (Min/Fixed):	0.808V
Series:	--
Voltage - Input (Min):	10V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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< p >The ACT4501SH-T is a highly integrated switching regulator chip designed for use in a variety of applications. It is a DC-DC switching regulator that converts an incoming DC voltage to a different output voltage. The switching regulator is also a voltage regulator, meaning it maintains a constant output voltage regardless of the conditions of the incoming DC voltage. The wide input voltage range, high accuracy, and fast response time of the ACT4501SH-T make it ideal for applications such as consumer electronics, industrial automation, automotive systems, and medical equipment.< p >< p >The ACT4501SH-T has two separate module designs: the boost type and the buck type. The boost type takes a lower voltage input and increases it to a higher output voltage while maintaining the same current level. On the other hand, the buck type takes a higher voltage input and reduces it to a lower output voltage while maintaining the same current level. The ACT4501SH-T is capable of converting from 0.2V to 5V with a maximum output current of 5A.< p >< p >The ACT4501SH-T employs a high-frequency, synchronous, fixed-frequency, pulse-width modulation (PWM) control technology to achieve high efficiency and fast transient response. The output voltage is controlled by varying the duty cycle of the pulses. The PWM control also provides excellent ripple noise reduction. The device also has an enable/disable function for power saving purposes and a thermal protection to prevent device damage due to overheating.< p >< p >The ACT4501SH-T also offers a variety of protection features including over-voltage protection, reverse-current protection, short-circuit protection, under-voltage protection, and thermal protection. Its low quiescent current and small size make it suitable for battery-powered applications. The ACT4501SH-T also features a wide operating temperature range of –25°C to +125°C, making it suitable for use in extreme temperatures.< p >< p >In summary, the ACT4501SH-T is a highly integrated DC-DC switching regulator chip designed for use in a variety of applications. It employs a high-frequency, synchronous, fixed-frequency, pulse-width modulation (PWM) control technology to provide high efficiency and fast transient response. Additionally, it offers a variety of protection features and an operating temperature range of –25°C to +125°C. The ACT4501SH-T is a great choice for applications such as consumer electronics, industrial automation, automotive systems, and medical equipment.

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