S-11L10D23-I6T2U

Current - Output:	150mA
Supplier Device Package:	SNT-6A (H)
Package / Case:	6-SMD, Flat Leads
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current
Control Features:	Enable
PSRR:	55dB (1kHz)
Current - Supply (Max):	16µA
Current - Quiescent (Iq):	900nA
Series:	S-11L10B/D
Voltage Dropout (Max):	0.29V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.3V
Voltage - Input (Max):	3.65V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

PMIC(Power Management Integrated Circuit) is a type of semiconductor device containing multiple voltage regulators, current sources and related control circuitry. Voltage Regulators are important components to regulate and convert the electrical power used in a variety of circuits. Linear voltage regulators are the most common type of voltage regulators and feature better performance, higher accuracy and cost significance. This article is written to discuss the S-11L10D23-I6T2U application field and working principle, an example of linear voltage regulator from PMIC devices.

S-11L10D23-I6T2U Application Field

The S-11L10D23-I6T2U is a monolithic integrated circuit ideal for use as positive linear regulator. Its application field includes adjustable 3-terminal positive voltage regulator, battery charger, portable radio, telephone and portable devices, GPS, audio-video equipment, digital camera, cctv cameras and other similar items. It was designed to provide a very-low-dropout voltage output and A wide range of output voltage from 1.18V to 18V is available with enhanced load and line regulation. The device integrated many protective features such as current limit, thermal shutdown, reverse battery protection and Over-current protection.

S-11L10D23-I6T2U Working Principle

The S-11L10D23-I6T2U is a three-terminal integrated circuit, including a feedback network, error amplifier, control circuit, reference voltage and pass transistor. The working principle of the S-11L10D23-I6T2U is based on the application of the so-called "error amplifier" element.The input voltage (Vin) is applied to an internal error amplifier which compares the reference voltage at its non-inverting input. When the voltage at the non-inverting input is lower than the reference voltage, the error amplifier produces a high output level and the pass transistor is turned on. The pass transistor will draw current through the load, causing the voltage at the inverting input of the error amplifier to rise. When the voltage at the inverting input reaches the same value as the reference voltage, the output of the error amplifier goes low. This disconnects the pass transistor from the power source and the output voltage is no longer able to maintain its value over the input voltage. Now, the output voltage (Vout) is held at the same value of the reference voltage.

Conclusion

In conclusion, the S-11L10D23-I6T2U is an example of linear voltage regulator from PMIC. It was designed to provide low-dropout voltage output and wide range of output voltage from 1.18V to 18V with enhanced load and line regulation. The S-11L10D23-I6T2U application field includes adjustable three-terminal positive voltage regulator, battery charger, portable radio, telephone, digital camera, and so on. Its working principle is based on the application of the error amplifier. This article is written to explain the application field and working principle of the S-11L10D23-I6T2U.

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