S-1170B27UC-OTMTFU

Current - Output:	800mA
Supplier Device Package:	SOT-89-5
Package / Case:	SOT-89-5/6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current, Thermal Shutdown
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	160µA
Current - Quiescent (Iq):	1µA
Series:	S-1170
Voltage Dropout (Max):	0.22V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.7V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The S-1170B27UC-OTMTFU is a Linear voltage regulator, which belongs to Power Management Integrated Circuit (PMIC), primarily used to generate and/or regulate adjustable output voltage. It is designed with high performance and stability to serve as a power source control playback solution, providing great electrical noise suppression, excellent power dissipation and superior output current capacity range.

Application Field

S-1170B27UC-OTMTFU is mainly used for consumer electronics products and industrial control products. It is capable of providing adjustable output voltage and current, satisfying essential requirement of small device, such as cooling fan, charger, computer and similar products, due to its instant response, low operating current and superior EMC performance.Different working mode and power range of S-1170B27UC-OTMTFU offers an excellent compatibility for it to provide different power output in fluctuation environment. Its adaptive power solutions is suitable for mobile, notebook, netbook, tablet computer and other portable intelligent products. For applications of industrial products and electronic equipments, the linear regulator works better in comparison with switch model regulators which usually have large-scale noise, because it has great capability to resist against voltage fluctuation and provide stable power. The S-1170B27UC-OTMTFU is able to drive high power equipment in industrial control, such as intelligence power switch, smart meters, wireless surveillance and other micro-motor equipment.

Working Principle

S-1170B27UC-OTMTFU utilizes line regulation voltage conversion principles to work. The linear regulator consumes a device’s input voltage and provides a user-defined level of stable output voltage. It does this by putting the excess current through a low resistance shunt.The regulator requires two power sources: an input and an output. The regulator also utilizes three components: a voltage reference input, a pass device such as a low-resistance transistor, and feedback from the output. The pass device modulates the input voltage to ensure the output is maintained at the user-defined regulated voltage level. Output voltage is adjustable according to the user-defined level. When the load current changes, the internal pass device is adjusted to keep the output voltage constant.

Main Features

The S-1170B27UC-OTMTFU is a two-terminal adjustable voltage regulator, which offers the following main features:- Wide operating temperature range from -40°C to +125°C - Fast transient response- Internal over current and over temperature protection- High precision of output voltage- Efficiency up to 98%- Low output noise- Low operation current- Wide input voltage range

Conclusion

The S-1170B27UC-OTMTFU linear voltage regulator is a versatile solution for generating adjustable output voltage. It is designed with high performance, stability and efficiency, making it suitable for powering micro-motors and other applications in industrial and consumer electronics. Its wide operating temperature range and high precision of output voltage make it quite robust and reliable. In addition, its low output noise and operation current make it suitable for high frequency and stability applications.

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