LD6806TD/30H,125

Current - Output:	200mA
Base Part Number:	LD6806
Supplier Device Package:	5-TSOP
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	55dB (1kHz)
Current - Supply (Max):	250µA
Current - Quiescent (Iq):	100µA
Series:	--
Voltage Dropout (Max):	0.13V @ 200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

LD6806TD/30H,125 is a positive voltage regulator with the highest output current (125mA) and the highest output voltage (30V). This device has many advantages such as low self-heating, very low dropout voltage, fast overload current limit protection, and adjustable output voltage. It also offers a very high level of power stability and is suitable for various applications.

Application Field and Working Principle of LD6806TD/30H,125

Application Field

LD6806TD/30H,125 can be used in a wide range of applications. For consumer electronics, this device can be used to regulate the voltage of devices requiring large amounts of current. It is commonly used in battery chargers and portable devices such as cameras, mobile phones, MP3 players, and portable DVD players. For automotive applications, this device can be used to regulate the voltage of ECU, airbag control unit, and the engine control unit.For industrial applications, this device can be used to regulate the voltage of motor drivers, HVAC systems, medical equipment, and motion control systems.

Working Principle

The working principle of LD6806TD/30H,125 is based on the linear voltage regulator and a series of internal components to regulate the output voltage.The device itself contains a voltage reference, an error amplifier, a current limit comparator, a voltage controlled amplifier, and an output control transistor, which is a PMOS transistor. The PMOS transistor acts as the central control element and is used to control the voltage based on the voltage reference set by the user.The voltage reference is set by the user and is used as the reference for the output voltage. Then the error amplifier compares the reference voltage and the output voltage. If the output voltage is not as expected, the error amplifier will adjust the PMOS control transistor, which will adjust the output voltage accordingly.If the output voltage is still not as expected, the current limit comparator will detect the overload and open the PMOS transistor, shutting off the current supply to the output. The voltage controlled amplifier is used to adjust the output voltage based on the voltage reference. It divides the voltage output and deploys it to the PMOS control transistor to adjust the output voltage as desired. The output control transistor is used to regulate the current output. It works in conjunction with the current limit comparator to ensure that the output voltage is always as expected. Finally, the voltage regulator is equipped with an over-current protection circuit which cuts off the current flow when an overload occurs, protecting the device from further damage.

Conclusion

LD6806TD/30H,125 is a positive voltage regulator with the highest output current (125mA) and the highest output voltage (30V). This device is suitable for various applications, from consumer electronics to automotive and industrial applications. It contains a voltage reference, an error amplifier, a current limit comparator, a voltage controlled amplifier, and an output control transistor. It works by adjusting the output voltage based on the voltage reference set by the user, and also has an over-current protection circuit to ensure safety.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description