78RM33 Datasheet | Fairchild Semiconductor

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 .. 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 .fairchildsemi. 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...