iru431al International Rectifier Corp., iru431al Datasheet
iru431al
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iru431al Summary of contents
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... FEATURES SOT-23 Packages Voltage Reference Initial Accuracy (1% for IRU431L and 0.5% for IRU431AL) Low Operating Cathode Current (80 A max) Unconditionally Stable with only 1 F Adjustable Output from 1.24V to 15V 0.25 Typical Output Impedance Pin to Pin Compatible with TLV431 APPLICATIONS Precision Voltage Reference Linear Regulator Controller ...
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... IRU431L / IRU431AL ABSOLUTE MAXIMUM RATINGS Input Voltage (V ) .................................................... 15V IN Continuous Cathode Current Range .......................... -15mA To +15mA Reference Current Range .......................................... -0.05mA To 1mA Storage Temperature Range ...................................... - 150 C Operating Junction Temperature Range ..................... PACKAGE INFORMATION 5-PIN SOT-23 (L5) TOP VIEW NC Anode Cathode Ref 3 4 =256 C/W ...
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... Cathode 5 3 Anode BLOCK DIAGRAM Ref + 1.24V Figure 2 - Simplified block diagram of the IRU431L. Rev. 1.8 02/20/02 IRU431L / IRU431AL =V is de- When the device is operating with two external resistors KA REF (See figure 3), the total dynamic impedance of the cir- cuit is given by PIN DESCRIPTION Resistors from the Ref pin to the Cathode pin and to ground form a divider that sets the output voltage ...
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... IRU431L / IRU431AL APPLICATION INFORMATION Output Voltage Setting The IRU431L can be programmed to any voltages in the range of 1.24 to 15V with the addition of R1 and R2 external resistors according to the following formula REF R2 The IRU431L keeps a constant voltage of 1.240V be- tween the Ref pin and ground pin ...
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... If the cathode cur- rent is always higher than 3mA under minimum line and ) -& & C maximum load conditions, the capacitor value can reduced to 0.01 F and the system will be stable. 108mW 96mW www.irf.com IRU431L / IRU431AL 5 ...
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... IRU431L / IRU431AL TYPICAL APPLICATION 12V Ref Desig Description U1 Shunt Regulator C1, C2 Capacitor R1 Resistor R2 Resistor R3, R4 Resistor HS1 Heat Sink IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 Figure 4 - Low cost 3.3V to 2.7V output. Qty Part # 1 IRU431L 2 Elect,220 F, 6 ...