BH15PB1WHFV-TR

Current - Output:	150mA
Base Part Number:	BH15PB1
Supplier Device Package:	HVSOF5
Package / Case:	SOT-665
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Soft Start
Control Features:	Enable
PSRR:	60dB (1kHz)
Current - Supply (Max):	40µA
Current - Quiescent (Iq):	4µA
Series:	--
Voltage Dropout (Max):	0.6V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

BH15PB1WHFV-TR is a linear voltage regulator from TI company, which can regulate a variety of input voltage from 1.5 V to 15 V, allowing the output voltage to be precisely adjustable. It is an effective power management integrated circuit (PMIC) with a wide range of application, suitable for many battery-powered or demand-volatile systems.

Application Field

BH15PB1WHFV-TR can provide up to 1 A of output current in low-power, low-dropout (LDO) mode. This makes it perfect for low-power, low-heat, battery-powered applications, like automotive components, port applications, drones, and SMT assembly etc. since it is 2.65 mm × 1.45 mm in footprint size, it’s widely used in applications that require a small space but have a relatively higher power requirement, such as handheld devices, wearables and smart phones.

Working Principle

BH15PB1WHFV-TR uses a constriction pass transistor technology to make the output of the linear voltage regulator a constant voltage set by the user. The user can make the output voltage adjustable by altering the current passing through an on-chip voltage adjustment terminal, without influencing the operation of the system. During the process, it regulates the output voltage precisely, ensuring that there is no power loss or heat generated during operation.The process begins when the input voltage is applied to the regulator. The pass transistor is then activated and the regulated voltage is supplied to the output pin. Meanwhile, the output voltage is constantly being monitored by the voltage error amplifier. Any excess voltage above the predetermined level is passed to the voltage comparator. If the voltage values do not match, then the comparator transmits a signal to the error amp, requesting to adjust the pass transistor’s resistance until the output voltage levels reach the desired value.

Protection Features

BH15PB1WHFV-TR not only helps regulate a constant output voltage, it also provides protection against any damage caused by current overloading. This device is fitted with an overcurrent protection circuit that can detect any large current overload and immediately limits the current to a safe level, allowing the system to continue functioning normally. It can also protect against short-circuits, overtemperature conditions and reverse voltage conditions, making it a suitable choice for many power management applications.

Conclusion

BH15PB1WHFV-TR is a linear voltage regulator from TI company. It can regulate a variety of input voltage from 1.5 V to 15 V, allowing the output voltage to be precisely adjustable and provide up to 1 A of output current. Despite its small size and low power consumption, it has a variety of protection features which make it suitable for many power management applications, such as battery-powered systems, automotive components, port applications, drones and mobile devices.

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