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ME431
Adjustable Precision Shunt Regulator
General Description Features
The ME431 series ICs are three-terminal adjustable ● Programmable Precise Output Voltage from 2.5V
shunt regulators with guaranteed thermal stability over a to 36V
full operation range. These ICs feature sharp turn-on ● Very Accurate Reference Voltage: Typical 0.15%
characteristics, low temperature coefficient and low ● High Stability under Capacitive Load
output impedance, which make them ideal substitutes for ● Low Temperature Deviation: Typical 4.5mV
Zener diodes in applications such as switching power ● Low Equivalent Full-range Temperature
supply, charger and other adjustable regulators. Coefficient with 20PPM/ ℃Typical
5
The ME431 voltage type is 40V. The output voltage ● Low Dynamic Output Resistance: Typical 0.2Ω
0
3
can be set to any value between VREF (2.5V) and the ● Sink Current Capacity from 1mA to 100 mA
Selection Guide 3
1
corresponding maximum cathode voltage. ● Low Output Noise
5
The ME431 precision reference is offered in two band ● Wide Operating Range of -40 to 150℃
3
2
gap tolerance: 0.4% and 1.0%. 8
3
1
:
L
L
Typical Application A Package
● Charger C ● 3-pin SOT23、TO92
● Voltage Adapter
● Switching Power Supply
● Graphic Card
●
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