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78RM33 Datasheet

Part Number 78RM33
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description KA78RM33
Datasheet 78RM33 Datasheet78RM33 Datasheet (PDF)

KA78RM33 Low Dropout Voltage Regulator February 2006 KA78RM33 Low Dropout Voltage Regulator Features ■ 0.5A/3.3V Output Low Dropout Voltage Regulator ■ Low Dropout Voltage (Max. 0.6V) Description The KA78RM33 is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with surface mount type package (D-PAK). The dropout voltage of KA78RM33 is below 0.6V in full rated current(0.5A). This regulator has various functions such as an ove.

  78RM33   78RM33






KA78RM33

KA78RM33 Low Dropout Voltage Regulator February 2006 KA78RM33 Low Dropout Voltage Regulator Features ■ 0.5A/3.3V Output Low Dropout Voltage Regulator ■ Low Dropout Voltage (Max. 0.6V) Description The KA78RM33 is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with surface mount type package (D-PAK). The dropout voltage of KA78RM33 is below 0.6V in full rated current(0.5A). This regulator has various functions such as an over current protection, a thermal shut down and the SOA (Safe operating Area) protection. PACKAGE DIMENSIONS ■ Over Current Protection, Thermal Shutdown ■ SOA Protection, Short Circuit Protection www.DataSheet4U.com Internal Block Diagram VIN 1 Q1 3 VOUT Current Generator Thermal Shutdown Protection SOA Protection Short Circuit Protection Bandgap Reference Error Amp. R1 Output Drive R2 GND 2 Packages D-PAK TO-220 2 1 3 1 2 3 1. VIN 2. GND 3. VOUT ©2006 Fairchild Semiconductor Corporation 1 www.fairchildsemi.com KA78RM33 Rev. 1.0.4 KA78RM33 Low Dropout Voltage Regulator Absolute Maximum Ratings Parameter Input Voltage Output Current Thermal Resistance Junction-Air Power Dissipation Junction Temperature Operating Temperature Symbol VIN IO RθJA Pd Tj TOPR Value 20 0.5 110 Interally limited 150 -25 to +125 Unit V A °C/W – °C °C Remark – – No Heatsink – – – www.DataSheet4U.com Electrical Characteristics Symbol VOUT RLOAD RLINE RR Vdrop Iq IPK Vn ∆VOUT / ∆T IO = 10m.


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