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TS378R00
3A 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 TS378R00 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 TS378R00 Series is below 0.5V in full rated current (3A). This regulator has various functions such as a peak current protection, thermal shut down, over voltage protection and an output disable function.
Features
Ultra Low Dropout performance 0.5Vmax 3A Over Current Protection, Thermal Shutdown Over Voltage Protection, Short Circuit Protection With Output Disable Function 2.4% Typical Total output TO-220 Full-Mold Package (4Pin)
Ordering Information
Part No. TS378RxxCI4 TS378RxxCI4S Operating Temp. -40 ~ +125 C
o
Package ITO-220-4L 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
TS378R00
1-4
2005/5 rev. B
Absolute Maximum Ratings
Parameter
Input Voltage Disable Voltage Output Current Power Dissipation 1 Power Dissipation 2 Junction Temperature Thermal Resistance, Junction-to Case(Note2) Thermal Resistance, Junction-to Air(Note2) Thermal Shutdown Temperature
Symbol
Vin Vdis Io Pd1 Pd2 Tj Rjc Rja Ttsd
Value
30 30 3.0 1.5 15 -40~+125 4.31 48.83 150
Unit
V V A W W C C / W C / W C
Remark
---No heat sink With heat sink -----
Electrical Characteristics
TS278R00 Series (Vin=Note 6, Io=1.0A, Ta=25C , unless otherwise specified). Parameter
TS378R33 TS378R05 Output Voltage TS378R08 TS378R09 TS378R12 Load Regulation Line Regulation Ripple Rejection Ratio Dropout Voltage Disable Voltage High Disable Voltage Low Disable Bias Current High Disable Bias Current Low Quiescent Current REGload REGline RR Vdrop VdisH VdisL IdisH IdisL Iq 5mASymbol
Conditions
Min.
3.22 4.88 7.80 8.78 11.7 --45 -2.0 -----
Typ.
3.3 5.0 8.0 9.0 12 0.1 0.5 55 -------
Max.
3.38 5.12 8.20 9.22 12.3 2.0 2.5 -0.5 -0.8 20 -0.4 10
Unit
V
% % dB V V V uA mA mA
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. TS378R33: Vin=5V, TS378R05: Vin=7V, TS378R08: Vin=10V, TS378R09: Vin=11V, TS378R12: Vin=15V 7. TS378R33: Vin=4~10V, TS378R05: Vin=6~12V, TS378R08: Vin=9~25V, TS378R09: Vin=10~25V, TS378R12: Vin=13~29V
TS378R00
2-4
2005/5 rev. B
Standard Test Circuit
Ripple Rejection Test Circuit
Standard Application Circuit
TS378R00
3-4
2005/5 rev. B
ITO-220-4L Mechanical Drawing
ITO-220-4L DIMENSION DIM A A1 A2 D E E1 L L2 L2 He C E b 4 MILLIMETERS MIN 4.42 2.69 1.68 10.00 6.85 8.54 13.15 16.56 3.60 28.44 0.48 2.54(TYP) 0.635(TYP) 7 4 MAX 4.72 2.89 1.88 10.20 7.05 8.74 13.55 16.76 3.80 28.92 INCHES MIN 0.174 0.136 0.066 0.394 0.269 0.336 0.518 0.652 0.142 1.119 0.019 0.1(TYP) 0.025(TYP) 7 MAX 0.186 0.114 0.074 0.402 0.278 0.344 0.533 0.660 0.150 1.159
ITO-220-4SL Mechanical Drawing
ITO-220-4SL DIMENSION DIM A A1 A2 D E E1 L L2 L2 He C E b 4 MILLIMETERS MIN 4.42 2.69 1.68 10.00 6.85 8.54 8.32 16.56 3.60 23.72 0.48 2.54(TYP) 0.635(TYP) 7 4 MAX 4.72 2.89 1.88 10.20 7.05 8.74 8.72 16.76 3.80 24.72 INCHES MIN 0.174 0.136 0.066 0.394 0.269 0.336 0.328 0.652 0.142 0.934 0.019 0.1(TYP) 0.025(TYP) 7 MAX 0.186 0.114 0.074 0.402 0.278 0.344 0.343 0.660 0.150 0.973
TS378R00
4-4
2005/5 rev. B

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