TC1303B-ZH0EMFTR

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TC1303B-ZH0EMFTR Application Field and Working Principle

TC1303B-ZH0EMFTR is a linear and switching voltage regulator designed by Diodes Incorporated. It is capable of providing output power of up to1.5A and operating temperature ranges between -40°C to 85°C. The device is mainly intended for cost-sensitive applications including portable battery powered equipment, computing computers and consumer electronics.

Features

• Output voltage range from 0.8V to 4.6V
• Input voltage range from 2.6V to 6V
• Low quiescent current of 10 μA
• High power efficiency up to 90%
• Soft-Start function
• Under-Voltage Lockout circuit protection
• Over-Current Protection

Working Principle

The TC1303B-ZH0EMFTR is a 3A buck-boost converter capable of regulating the output voltage between 0.8V and 4.6V. It has an integrated high-side MOSFET, low-side MOSFET, and control circuitry which controls the flow of current between the input voltage source and the output voltage load. The device operates in one of two modes: buck or boost mode. In buck mode, the high-side MOSFET is activated to reduce the input voltage to the output voltage. In boost mode, the low-side MOSFET is activated to increase the input voltage to the output voltage. The device also has a Soft-Start function that gradually increases the output voltage over a specified period and an Under-Voltage Lockout (UVLO) and Over-Current Protection (OCP) circuit to protect against overcurrent conditions.

Conclusion

The TC1303B-ZH0EMFTR is a linear and switching voltage regulator designed for cost-sensitive applications. It is capable of regulating the output voltage between 0.8V and 4.6V and has a high efficiency up to 90%. It also provides Soft-Start, Under-Voltage Lockout, and Over-Current Protection functions.

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