TS178R00 Series
ITO-220-4L ITO-220-4SL Pin assignment: 1. Input 2. Output 3. Gnd 4. Enable
Preliminary
1A Ultra Low Dropout Voltage Regulator w/Disable
Low Dropout Voltage 0.5V max.
General Description
The TS178R00 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 TS178R00 Series is below 0.5V in full rated current (1A). 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 1A 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. TS178RxxCI4 TS178RxxCI4S Operating Temp. (Ambient) -20 ~ +85 oC 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
TS178R00 Series Preliminary
1-5
2005/4 rev. A
Absolute Maximum Ratings
Parameter
Input Voltage Disable Voltage Output Current Power Dissipation 1 Power Dissipation 2 Junction Temperature Operating Temperature Thermal Resistance, Junction-to Case(Note2) Thermal Resistance, Junction-to Air(Note2) Thermal Shutdown Temperature
Symbol
Vin Vdis Io Pd1 Pd2 Tj Topr Rθjc Rθja Ttsd
Value
30 30 1.0 1.5 15 +150 -20~ +80 4.31 48.83 150
Unit
V V A W W °C °C °C / W °C / W °C
Remark
---No heat sink With heat sink ------
Electrical Characteristics
TS178R00 Series (Vin=Note 6, Io=1.0A, Ta=25°C , unless otherwise specified). Parameter
TS178R33 TS178R05 Output Voltage TS178R08 TS178R09 TS178R12 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 5mA
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