S-1009N09I-N4T1U

Series:	S-1009
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	0.9V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-82A, SOT-343
Supplier Device Package:	SC-82AB

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Introduction

PMIC - Supervisors are an integral part of any circuit design. They provide an integrated solution for system level control and protection of devices, addressing the challenges faced in today’s rigorous design environment. They also provide accurate monitoring, protection and control for various components in a given system. The S-1009N09I-N4T1U is a low dropout (LDO) regulator integrated circuit (IC) with a wide range of operating voltages and current limits. It is typically used in battery powered devices and provides system level monitoring, protection and control.

Application Field

The S-1009N09I-N4T1U is a versatile LDO regulator IC and is suitable for a wide range of applications including consumer electronics, industrial, computing, and medical. It is ideal for applications requiring a reliable, low power voltage regulation solution. Additionally, it is suitable for portable device applications that require low-voltage and high current regulation.The S-1009N09I-N4T1U supports several output voltage levels from 0.7V to 7.0 V and is equipped with a high-speed, low power consumption Shutdown Mode. This ensures that the device can quickly switch on and off with low power consumption. It also features over-temperature shutdown and an internal thermal power-limiting circuit to protect against thermal overload.

Working Principle

The S-1009N09I-N4T1U LDO regulator IC is designed to provide an accurate and regulated output voltage for various types of applications. It is equipped with a high-speed, low-power shutdown mode and an internal thermal power-limiting circuit. The device is configured to accept an input voltage in the range of 0.8V to 7V, with a maximum output current of 1.6A. The internal operating temperature range is between -40°C and +125°C. The device uses a PWM pin to provide output voltage settings. The PWM pin allows the device to regulate the output voltage quickly and accurately over a wide range of input voltages. The device is also equipped with several protection features, including an over-current limit, an over-temperature shutdown and an internal thermal power-limiting circuit. The over-current limit protects the device from excessive currents during a fault condition, while the over-temperature shutdown prevents the device from reaching dangerously high temperatures. The thermal power-limiting circuit prevents the device from overheating during high current conditions.

Conclusion

The S-1009N09I-N4T1U is a versatile LDO regulator IC ideal for a wide range of applications, from consumer electronics to industrial, computing, and medical systems. It features a high-speed, low-power shutdown mode and internal thermal power limiting circuits to ensure reliability and accurate regulation. The PWM pin allows the device to regulate the output voltage quickly and accurately over a wide range of input voltages. Additionally, the device is equipped with several protection features, including over current limit and over temperature shutdown, to protect against excessive currents and high temperatures.

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