TS278R00 2A Ultra Low Dropout Voltage Regulator w/Disable ITO-220-4L ITO-220-4SL Pin assignment: 1. Input 2. Output 3. Gnd 4. Enable Low Dropout Voltage 0.5V max. General Description The TS278R00 Series is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with ITO-220 4 lead full mold package. Dropout voltage of TS278R00 Series is below 0.5V in full rated current (2A). This regulator has various functions such as a peak current protection, thermal shut down, over voltage protection and an output disable function. Features Ordering Information Ultra Low Dropout performance 0.5Vmax. 2A Part No. Over Current Protection, Thermal Shutdown TS278RxxCI4 Over Voltage Protection, Short Circuit Protection With Output Disable Function ± 2.4% Typical Total output TO-220 Full-Mold Package (4Pin) TS278RxxCI4S Operating Temp. Package ITO-220-4L o -40 ~ 125 C ITO-220-4SL Note: Where xx denotes voltage option, 33=3.3V, 05=5.0V, 08=8.0V, 09=9.0V, 12=12V Block Diagram TS278R00 Series 1-4 2005/5 rev. B Absolute Maximum Ratings Parameter Symbol Value Unit Remark Input Voltage Vin 30 V -- Disable Voltage Vdis 30 V -- Output Current Io 2.0 A -- Power Dissipation 1 Pd1 1.5 W No heat sink Power Dissipation 2 Pd2 15 W With heat sink Tj -40~+125 °C -- Thermal Resistance, Junction-to Case(Note2) Rθjc 4.31 °C / W -- Thermal Resistance, Junction-to Air(Note2) Rθja 48.83 °C / W -- Thermal Shutdown Temperature Ttsd 150 °C -- Junction Temperature Electrical Characteristics TS278R00 Series (Vin=Note 6, Io=1.0A, Ta=25°C , unless otherwise specified). Parameter Output Voltage Min. Typ. Max. TS278R33 3.22 3.3 3.38 TS278R05 4.88 5.0 5.12 7.80 8.0 8.20 TS278R09 8.78 9.0 9.22 TS278R12 11.7 12 12.3 TS278R08 Symbol Conditions Vo Unit V Load Regulation REGload 5mA<Io<2A -- 0.1 2.0 % Line Regulation REGline Note 7 -- 0.5 2.5 % RR Note1 45 55 -- dB Dropout Voltage Vdrop Io=2A -- -- 0.5 V Disable Voltage High VdisH Output Active 2.0 -- -- V Disable Voltage Low VdisL Output Disabled -- -- 0.8 V Disable Bias Current High IdisH Vdis=2.7V -- -- 20 uA Disable Bias Current Low IdisL Vdis=0.4V -- -- -0.4 mA Io=0A -- -- 10 mA Ripple Rejection Ratio Quiescent Current Iq Note: 1.These parameters, although guaranteed, are not 100% tested in production. 2. Junction -to -case thermal resistance test environments. 3. Pneumatic heat sink fixture. 4. Clamping pressure 60psi through 12mm diameter cylinder. 5. Thermal grease applied between PKG and heat sink fixture 6. TS278R33: Vin=5V, TS278R05: Vin=7V, TS278R08: Vin=10V, TS278R09: Vin=11V, TS278R12: Vin=15V 7. TS278R33: Vin=4~10V, TS278R05: Vin=6~12V, TS278R08: Vin=9~25V, TS278R09: Vin=10~25V, TS278R12: Vin=13~29V TS278R00 Series 2-4 2005/5 rev. B Standard Test Circuit Ripple Rejection Test Circuit Standard Application Circuit TS278R00 Series 3-4 2005/5 rev. B ITO-220-4L Mechanical Drawing ITO-220-4L DIMENSION DIM MILLIMETERS INCHES MIN MAX MIN MAX A 4.42 4.72 0.174 0.186 A1 2.69 2.89 0.136 0.114 A2 1.68 1.88 0.066 0.074 D 10.00 10.20 0.394 0.402 E 6.85 7.05 0.269 0.278 E1 8.54 8.74 0.336 0.344 L 13.15 13.55 0.518 0.533 L2 16.56 16.76 0.652 0.660 L2 3.60 3.80 0.142 0.150 He 28.44 28.92 1.119 1.159 C 0.48 0.019 E 2.54(TYP) 0.1(TYP) b 0.635(TYP) 0.025(TYP) θ 4° 7° 4° 7° ITO-220-4SL Mechanical Drawing ITO-220-4SL DIMENSION DIM MIN MAX A 4.42 4.72 0.174 0.186 A1 2.69 2.89 0.136 0.114 A2 1.68 1.88 0.066 0.074 D 10.00 10.20 0.394 0.402 E 6.85 7.05 0.269 0.278 E1 8.54 8.74 0.336 0.344 L 8.32 8.72 0.328 0.343 L2 16.56 16.76 0.652 0.660 L2 3.60 3.80 0.142 0.150 He 23.72 24.72 0.934 0.973 C 0.48 0.019 E 2.54(TYP) 0.1(TYP) b 4-4 INCHES MAX θ TS278R00 Series MILLIMETERS MIN 0.635(TYP) 4° 7° 0.025(TYP) 4° 2005/5 rev. B 7°