S-1335B20-A4T2U3

Current - Output:	150mA
Supplier Device Package:	HSNT-4-B
Package / Case:	4-SMD, Flat Lead Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Overcurrent, Soft-Start
Control Features:	Enable
PSRR:	80dB ~ 70dB (1kHz ~ 10KHz)
Current - Supply (Max):	54µA
Current - Quiescent (Iq):	1µA
Series:	S-1335
Voltage Dropout (Max):	0.127V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

A S-1335B20-A4T2U3 voltage regulator is a linear regulator, usually used to ensure that a voltage within the acceptable limits of a load is maintained. It works by regulating the output of the voltage to the same as the input voltage. This type of voltage regulator is often used to convert a higher input voltage (BEV) to a lower output voltage (VEV).

Application Field

The S-1335B20-A4T2U3 voltage regulator can be used in a variety of applications, including:

• Power supplies
• Timer circuits
• Electronic instrumentation
• Battery powered applications
• Spot welding
• Automotive electronics
• Motor control circuits
• Audio amplifiers

It is also suitable for use in precision tuning circuits, data processing systems, and solar power systems.

Working Principle

The S-1335B20-A4T2U3 voltage regulator uses a Zener diode and a series transistor, to control the output voltage.In this voltage regulator, the Zener diode is connected in reverse bias mode. It acts like a variable capacitor, and when the reverse voltage applied across it exceeds the breakdown voltage of the diode, the current through the diode increases. At the same time, the series transistor is acting to regulate the voltage output. It is connected to the Zener diode, and when the current through the diode increases, the transistor turns on, reducing the output voltage. As a result, the Zener diode and the series transistor work together to control the output voltage. When the input voltage is higher than the output voltage, the series transistor will allow more current through the Zener diode, thus reducing the output voltage, which results in a regulated output voltage.

Conclusion

The S-1335B20-A4T2U3 voltage regulator is a linear regulator which is used to ensure that a voltage within the acceptable limits of a load is maintained. It operates by regulating the output voltage to the same as the input voltage. This voltage regulator is suitable for use in a variety of applications, including power supplies, audio amplifiers, automotive electronics, and solar power systems. The S-1335B20-A4T2U3 regulator uses a Zener diode and a series transistor to control the output voltage. Together, they regulate the output voltage in order to maintain the desired level.

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