BH29PB1WHFV-TR

PMIC - Voltage Regulators - Linear - BH29PB1WHFV-TR Application Field and Working Principle

BH29PB1WHFV-TR is a cost-effective and ultra-low power linear voltage regulator with a wide range of applications. It is a very high-efficiency linear regulator with a high-performance converter, providing a low voltage and excellent current performance while effectively reducing power consumption. The device is capable of providing a voltage and current range of 1.8V to 5.5V and currents over 1A while offering an operating temperature range of -40°C to +85°C and an output voltage ripple of less than 1mV.

Features

• Wide operation voltage of 1.8V-5.5V
• High efficiency of up to 98%
• Very low quiescent current (IQ) of 1.2uA
• Very low output voltage ripple (1mV)
• Low dropout voltage of 0.26V at 1A
• Wide operating temperature range of -40°C to +85°C

Applications

• Battery-powered systems
• AC/DC adapters
• Chargers
• Hand-held devices

Working Principle

BH29PB1WHFV-TR is a low dropout linear regulator. It works by comparing the incoming voltage line against a reference voltage, and adjusts the output voltage accordingly to maintain the steady current flow. The output current is regulated by the amount of current flowing through the feedback resistor. The device’s input voltage can either be higher or lower than its reference voltage. The voltage gain is controlled by the ratio of the feedback resistor to the input resistor. The device has a power efficiency of up to 98%.

The device also features overcurrent protection and short circuit protection. In the event of an overload, current limit is activated, thus preventing damage or a catastrophic failure of the circuit. The protection circuitry also ensures stable voltage output, which prevents any unexpected voltage fluctuations that could affect the operation of the connected device.

Conclusion

The BH29PB1WHFV-TR voltage regulator is a cost-effective and ultra-low power linear voltage regulator designed for a wide range of applications. It combines a high-efficiency converter, high-performance output, and low-dropout voltage in one package. With its reliable performance and low power consumption, it is the ideal choice for battery-powered systems, AC/DC adapters, chargers, and hand-held devices.