S-1131B17UA-N4CTFG

Current - Output:	300mA
Supplier Device Package:	SOT-89-3
Package / Case:	TO-243AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	65µA
Current - Quiescent (Iq):	1µA
Series:	S-1131
Voltage Dropout (Max):	0.85V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.7V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction

The S-1131B17UA-N4CTFG is a low voltage, high performance regulator module, designed for the automotive and industrial applications where output current and voltage protection, voltage stability and reliable operation are required. This is a high-efficiency (90% typical at full load) and low-cost alternative to traditional, non-linear regulator designs. The S-1131B17UA-N4CTFG can output a regulated voltage as low as 0.6V and as high as 18V, depending on the application. The linear regulator provides smooth, low ripple output and offers improved load transient response over traditional non-linear devices.

Application Field

The S-1131B17UA-N4CTFG is a linear regulator module ideal for powering low-power micro-controllers, digital signal processors, analog signal processors and other low-voltage digital components. It is also suitable for powering battery-operated devices, motor controllers, and other power sensitive automotive, industrial, telecom and other applications. In addition, the S-1131B17UA-N4CTFG is ideal for powering smart phones, tablets, and other battery powered device, as well as other highly sensitive electronic equipment and components.

Working Principle

The S-1131B17UA-N4CTFG is a linear regulator module which operates by converting input voltage to a regulated output voltage. This is achieved by using a series of pass transistors to control the output voltage. The input voltage is applied to the gate of the first pass transistor, which switches the current through the pass transistors, thereby regulating the output voltage. The output voltage is kept constant even as the input voltage or load current fluctuates by using a feedback loop, which is monitored by an internal error amplifier. This ensures that the output voltage is maintained within certain tolerance values at all times.

Conclusion

The S-1131B17UA-N4CTFG is a low voltage, high performance regulator module, which is designed for the automotive and industrial applications where output current and voltage protection, voltage stability, and reliable operation are required. Its linear regulator provides smooth, low ripple output and offers improved load transient response over traditional non-linear devices. Due to its low cost, high efficiency, and superior output quality, the S-1131B17UA-N4CTFG is an ideal choice for powering micro-controllers, digital signal processors, analog signal processors, battery-operated devices, motor controllers, and other power sensitive equipment.

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