BA178M06FP-E2

Current - Output:	500mA
Base Part Number:	BA178M
Supplier Device Package:	TO-252-3
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	--
Control Features:	--
PSRR:	74dB (120Hz)
Current - Supply (Max):	6mA
Current - Quiescent (Iq):	4.5mA
Series:	--
Voltage Dropout (Max):	2V @ 500mA (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	6V
Voltage - Input (Max):	21V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The BA178M06FP-E2 belongs to the PMIC – Voltage Regulators – Linear category. It is powered by a small and highly efficient Linear voltage regulator (LVR). The BA178M06FP-E2 is designed to provide a constant output voltage, from a range of input voltages. This makes it extremely useful in a variety of applications and settings.

Application Field

BA178M06FP-E2 is widely used in a variety of applications. It is typically used in portable and automotive electronics, such as in mobile phones, PDAs, MP3 players, and other handheld electronics which require a regulated output voltage. It can also be used in automotive applications, where its low quiescent current minimizes power dissipation and improves efficiency. Additionally, BA178M06FP-E2 can be used in consumer electronics, such as LCD TV, computer peripherals, portable media players, and other consumer electronic devices which require a reliable and stable power supply.

Working Principle

BA178M06FP-E2 operates on the principle of an internal linear regulator. It uses a differential amplifier to compare a reference voltage to the feedback voltage of the output. When a difference is detected, the voltage regulator will adjust the current inputted to the output in an effort to maintain the desired output voltage. This process is known as “regulating”, and can be used in a variety of scenarios.A basic circuit diagram of the BA178M06FP-E2 is illustrated in figure 1.Figure 1: Schematic of BA178M06FP-E2 The core components of BA178M06FP-E2 include:* Voltage reference, which is a fixed reference voltage used to compare the output voltage. * Differential amplifier, which is used to compare the reference voltage to the feedback voltage.* Output stage, which is used to output the regulated voltage. Additionally, the output stage may include cascode and control transistors. * Filter capacitor, which is used to filter out any noise or oscillations.* Output capacitor, which is used to store energy and balance the output power.The BA178M06FP-E2 is available in adjustable or fixed output voltage versions. In the adjustable version, the output voltage is determined by the voltage reference and a variable resistor (VR1). The input voltage should be within a 5V to 20V range in both the adjustable and fixed versions. The output voltage can be adjusted up to a maximum of 35V in the fixed version and 40V in the adjustable version.

Conclusion

The BA178M06FP-E2 is an extremely useful voltage regulator for applications which require a regulated output. Its low quiescent current and high efficiency are ideal for applications such as portable and automotive electronics, consumer electronics, and other similar areas. The BA178M06FP-E2 follows the principle of an internal linear regulator, and uses a differential amplifier, output stage, filter and output capacitors to ensure a reliable output voltage. BA178M06FP-E2 is available in adjustable and fixed versions, with maximum output of 40V and 35V respectively.

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