TC1303C-ZS0EMFTR

Voltage/Current - Output 3:	--
Base Part Number:	TC1303C
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-VFDFN Exposed Pad
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:	1.5V, 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:	Tape & Reel (TR)

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TC1303C-ZS0EMFTR Application Field and Working Principle

Introduction

Traditional analog power management integrated circuits (PMICs) are designed to provide reliable, regulated power to a wide range of applications. The TC1303C-ZS0EMFTR is one such PMIC that offers a cost-effective and reliable solution for the needs of the modern circuit. Offering both linear and switching regulators, it provides flexible and high-continuous-current support along with dimming, charging and other dynamic features.

PMIC - Voltage Regulators - Linear + Switching

The TC1303C-ZS0EMFTR offers both linear and switching regulators to meet the demands of a variety of applications. For linear regulation, the TC1303C includes a variety of low dropout (LDO) voltage regulators, providing a wide input voltage range of 4.75V to 7V and low quiescent currents to support low-power operations. With up to 350mA of continuous current and short-circuit protection, the LDO regulators are ideal for providing stationary power supplies for circuits such as cameras, audio amplifiers, and digital signal processing (DSP).For switching regulation, the TC1303C includes a variety of buck, boost, and buck-boost regulators, which are suitable for more dynamic applications that require a greater dynamic range. Offering up to 750mA of continuous current and a wide operating range, the buck, boost, and buck-boost regulators can support multiple power domains and transient loads. They also provide protection against over-temperature, over-voltage, and under-voltage.

Control Features

In addition to providing linear and switching regulators, the TC1303C also offers a variety of control features. These include dimming control, thermal protection, current limiting, and over-current protection. The dimming control allows the adjustable current delivery to be adjusted in order to provide optimal performance for the application. The thermal protection ensures that the regulators remain stable in the presence of high temperatures. The current limiting and over-current protection prevent the integrated circuits from overheating, reducing the risk of component damage due to excessive power dissipation.

Working Principle

The working principle of the TC1303C is based on feedback control. The integrated circuit receives an input signal, which is converted to a reference voltage by an amplifier. This reference voltage is compared with a feedback signal from the output, and the difference is converted to an error signal. A digital control module then adjusts the output current to minimize the error signal, maintaining the output voltage at the desired level.

Conclusion

The TC1303C-ZS0EMFTR is a cost-effective and reliable PMIC that provides a wide range of features to meet the needs of the modern circuit. Offering both linear and switching regulators, it provides flexible and high-continuous-current support along with control features such as dimming, current limiting and over-current protection. Utilizing feedback control, the output voltage is maintained at the desired level, enabling the TC1303C to deliver reliable and accurate power to multiple power domains and transient loads.

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