TC1303C-ZI0EUN

Voltage/Current - Output 3:	--
Base Part Number:	TC1303C
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	2.7 V ~ 5.5 V
w/Sequencer:	Yes
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	2.5V, 300mA
Voltage/Current - Output 1:	Adj, 500mA
Frequency - Switching:	2MHz
Number of Outputs:	2
Function:	Any Function
Topology:	Step-Down (Buck) Synchronous (1), Linear (LDO) (1)
Part Status:	Active
Packaging:	Tube

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Introduction

TC1303C-ZI0EUN is a type of voltage regulator specifically designed for battery-oriented end equipment. It has low quiescent current （≤50μA), low power consumption （2.2V ~ 5.5V), an integrated switch transistor and a power management IC (PMIC). This PMIC is suitable for vertical applications such as portable devices and battery-powered device, and provides smooth adjustment of output voltage and protection against over current as well as overvoltage, pressure and temperature.

Working Principle

The TC1303C-ZI0EUN normally operates by using two different output stages. The first stage is the switching stage, which is used to generate the main voltage. The main capacitor is charged and the output voltage created by this stage is then regulated by adjusting the current fed through the reference resistor. The second stage is the linear stage, which is used to fine-tune the output voltage to the desired level. In this stage, the output voltage is fed to the error amplifier and then compared with the reference voltage. The output of the error amplifier is then used to adjust the switching frequency, which then allows the output voltage to be regulated.

Features

The main feature of the TC1303C-ZI0EUN is its ability to provide low quiescent current and low power consumption, which makes it ideal for battery-powered devices. It also features over-voltage protection, over-current protection and temperature protection. Additionally, its integrated switch transistor reduces the size and cost of circuit design.Furthermore, the TC1303C-ZI0EUN offers a wide input voltage range (2.2V ~ 5.5V) and adjustable output voltage up to 6V. This allows for a greater flexibility.

Applications

The TC1303C-ZI0EUN is mainly used in portable devices and battery-powered applications. Some of its applications include mobile phones, digital cameras, IoT devices, portable media players and wearable devices. It can also be used in automotive applications, such as in laser headlights, LCD display headlights and airbag control systems, and in home appliances, such as in washing machines, refrigerators and dishwashers.

Conclusion

The TC1303C-ZI0EUN is a low power consumption, low quiescent current voltage regulator with over-voltage, over-current and temperature protection. It is suitable for battery-oriented end equipment and can be used in a wide range of applications, such as mobile phones, digital cameras, IoT devices, portable media players and automotive and home appliances.

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