IRU431LCSTR
IRU431LCSTR Datasheet
IRU431L
| Part | Datasheet |
|---|---|
IRU431LCSTR |
IRU431LCSTR (pdf) |
| Related Parts | Information |
|---|---|
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IRU431LCS |
IRU431LCS |
| PDF Datasheet Preview |
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| SOT-23 and SOIC Packages 1% Voltage Reference Initial Accuracy Low Operating Cathode Current 80µA max Unconditionally Stable with only 1µF Adjustable Output from 1.24V to 15V Typical Output Impedance Pin to Pin Compatible with TLV431 Precision Voltage Reference Linear Regulator Controller Secondary Side Controller for the Low Voltage Power Supply Applications RB VIN IRU431L Vo = VREF xo1 + R1 R2 Data Sheet No. PD94118 IRU431L LOW -VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR DESCRIPTION The IRU431L is a three-terminal adjustable shunt regulator that can also be used as a precision voltage reference. Its output voltage may be set to any value between VREF 1.24V and 15V with two external resistors as shown in the typical application circuit. Other applications of this device include being used as a merged amplifier and reference in applications such as a linear regulator or as the secondary side controller in low voltage power supply applications. The IRU431L only requires 80µA maximum quiescent current before regulating, making it ideal as a voltage reference for battery type applications. VOUT R1 Figure 1 - Typical application of the IRU431L as a shunt regulator / voltage reference. PACKAGE ORDER INFORMATION TA °C 0 To 70 5-PIN SOT-23 L5 IRU431LCL5 3-PIN SOT-23 L3 IRU431LCL3 8-PIN PLASTIC SOIC S IRU431LCS IRU431L ABSOLUTE MAXIMUM RATINGS Input Voltage VIN 15V Continuous Cathode Current Range -15mA To +15mA Reference Current Range -0.05mA To 1mA Storage Temperature Range To Operating Junction Temperature Range To PACKAGE INFORMATION 5-PIN SOT-23 L5 3-PIN SOT-23 L3 TOP VIEW 5 Anode Cathode 3 4 Ref TOP VIEW 2 Cathode Anode 3 1 Ref 8-PIN PLASTIC SOIC S TOP VIEW Cathode 1 8 Ref Anode 3 6 Anode ELECTRICAL SPECIFICATIONS Unless otherwise specified, these specifications apply over TA=0 to Co =1µF. Typical values refer to Low duty cycle pulse testing is used which keeps junction and case temperatures equal to the ambient temperature. PARAMETER TEST CONDITION |
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