Noise - 0.1Hz to 10Hz:	--
Base Part Number:	LM4041D12
Supplier Device Package:	SOT-23-3
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Cathode:	80µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	20µVrms
Series:	--
Temperature Coefficient:	150ppm/°C
Tolerance:	±1%
Current - Output:	12mA
Voltage - Output (Min/Fixed):	1.225V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LM4041D12IDBZRG4

Introduction

The LM4041D12IDBZRG4 is a low-dropout (LDO) voltage reference device that provides precision reference voltages for a wide range of applications. The device can supply output currents up to 8A and has an adjustable voltage reference range from 2.5 to 6.5V. It is capable of providing an extremely low temperature drift, as well as great immunity to DC errors. As one of the few voltage references available in surface-mount packages, the LM4041D12IDBZRG4 offers great flexibility and a potentiometer-free design.

Application Fields and Working Principle

The LM4041D12IDBZRG4 is primarily used in the manufacture of power management integrated circuits (PMICs) used in embedded applications. It can be used as a high-accuracy reference voltage source, such as in precision voltage regulators and power supplies. Its low temperature drift, high output current capacity, and low dropout make it an ideal choice for power applications where precision and efficiency are essential.The LM4041D12IDBZRG4 works by using a series voltage divider circuit to determine the desired reference voltage. The reference voltage is determined by the combination of two external resistors, R1 and R2, which are connected in a voltage divider configuration. The reference voltage is then connected to a feedback loop that senses the actual output voltage and adjusts the internal circuit components to keep the output voltage within specified limits.

Design Benefits

The LM4041D12IDBZRG4 offers several design benefits that make it an attractive option for embedded power applications. The device\'s low dropout voltage and great output current capacity make it well suited for powering high-accuracy circuits with low noise and precise performance. Additionally, its well-defined temperature characteristics and adjustable voltage reference range allow for flexible design and cost savings. The potentiometer-free design also eliminates the need for additional components, reducing manufacturing costs.Also, due to its surface-mount design, the device has very small size and low power dissipation. This makes it an ideal choice for space-constrained designs. The device also has wide operating temperature range, allowing it to be used in a variety of applications.

Conclusion

The LM4041D12IDBZRG4 is a versatile voltage reference device that provides precision volts for a wide range of applications. Its low dropout and high current capacity, combined with high accuracy, flexibility, and cost savings make it an ideal choice for PMICs used in embedded designs. Its potentiometer-free design and small package size make it an ideal solution for space-constrained designs.

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