LM431BIM/NOPB

Series:	--
Packaging:	Tube
Part Status:	Active
Reference Type:	Shunt
Output Type:	Adjustable
Voltage - Output (Min/Fixed):	2.495V
Voltage - Output (Max):	37V
Current - Output:	100mA
Tolerance:	±1%
Temperature Coefficient:	50ppm/°C Typical
Noise - 0.1Hz to 10Hz:	--
Noise - 10Hz to 10kHz:	--
Voltage - Input:	--
Current - Supply:	--
Current - Cathode:	1mA
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	LM431

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LM431BIM/NOPB Application Field and Working Principle The LM431BIM/NOPB is a type of Voltage Reference designed for use in Power Management and Interface Integrated Circuit (PMIC) applications. It provides a reliable source of regulated reference voltage, allowing circuits to be regulated at the desired voltage, allowing efficient use of current and heat. The LM431BIM/NOPB Voltage Reference provides a low cost, high accuracy reference voltage. The part is offered in a miniature 5-pin SOT 23 SC-59 package, making it ideal for applications where space is limited. The LM431BIM/NOPB Voltage Reference is an adjustable precision zener diode with a programmable output voltage over a range of 1.25 V to 36 V. It can be factory-trimmed to any desired output voltage, with initial tolerance of ± 1.0% and a temperature stability of ± 0.2%. The device is capable of sinking up to 50 mA from the output pin and can provide up to 3 mA from the Vref pin.An important feature of the LM431BIM/NOPB Voltage Reference is its output flexibility, allowing it to be used in a wide variety of applications. It can be used to supply a reference voltage for analog-to-digital converters, voltage-controlled oscillators, and sample-and-hold circuits, as well as many other applications that require a stable and accurate voltage reference. The device also includes an internal over-temperature protection circuit, as well as low and reverse current protections, making it suitable for applications in harsh environments.The working principle of the LM431BIM/NOPB Voltage Reference is based on an internal zener diode connected to the regulated output. The zener diode is triggered using a control signal, driving the voltage on the output pin to a stable target level. The signal applied to the control pin is amplified internally, allowing the device to operate in a wide range of input conditions.The LM431BIM/NOPB Voltage Reference is relatively easy to use, requiring only a single external resistor to set the reference voltage. The device is also designed to be used in combination with additional external circuitry for special applications, such as providing a buffered output for applications requiring large amounts of current.The LM431BIM/NOPB Voltage Reference is a versatile and reliable device for use in PMICs. Its adjustable output voltage, combined with its low cost and high accuracy make it ideal for applications where space is limited, or where the reference voltage must be stable and accurate over a wide range of conditions.

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