[. . . ] PQ05RD21 series General Description Sharp's PQ05RD21 series is 2. 0A output type low power-loss voltage regulator(TO-220). [. . . ] · Specifications are subject to change without notice for improvement. (Internet) · Data for Sharp's optoelectronic/power devices is provided for internet. ( Address http://www. sharp. co. jp/ecg/) Tec. PW961002 15. 6±0. 5 ø3. 2±0. 1 PQ05RD21 series Absolute Maximum Ratings Low Power-Loss Voltage Regulator (Ta=25°C) Unit V V A W W °C °C °C °C Symbol Rating 20 Vin Vc 20 Io 2. 0 1. 4 Pd1 *2 Power dissipation 15 Pd2 *3 Junction temperature Tj 150 Operating temperature Topr -20 to +80 Storage temperature Tstg -40 to +150 Soldering temperature Tsol 260(For 10s) *1 All are open except GND and applicable terminals. *2 Pd1: No heat sink, Pd2: With infinite heat sink *3 Overheat protection may operate at 125<=Tj<=150°C. Parameter *1 Input voltage *1 ON/OFF control terminal voltage Output current Electrical Characteristics (Unless otherwise specified, Io=1. 0A, *4, Ta=25°C) MIN. 3. 399 5. 15 9. 27 12. 36 2. 0 2. 5 - - 0. 5 - 20 0. 8 -0. 4 10 Unit V Parameter Symbol Conditions PQ3RD23 PQ05RD21 Output voltage Vo - PQ09RD21 PQ12RD21 Io=5mA to 2. 0A Load regulation RegL *5 , Io=5mA RegI Line regulation Temperature coefficient of output voltage TcVo Tj=0 to 125°C, Io=5mA - Ripple rejection RR Dropout voltage *6, Io=2A Vi-o - *7 ON-state voltage for control VC(on) ON-state current for control VC=2. 7V IC(on) - OFF-state voltage for control VC(off) VC=0. 4V OFF-state current for control IC(off) Quiescent current Iq Io=0A % % %/°C dB V V µA V mA mA *4 PQ3RD23:Vin=5V, PQ05RD21:Vin =7V, PQ09RD21:Vin =11V, PQ12RD21: Vin =14V *5 PQ3RD23:Vin=4 to 10V, PQ05RD21:Vin = 6 to 12V, PQ09RD21:Vin =10 to 16V, PQ12RD21: Vin =13 to19V *6 Input voltage shall be the value when output voltage is 95% in comparison with the initial value. [. . . ] PQ3RD23:Vin=3. 7V *7 In case of opening control teminal 4 , output voltage turns on. As of October 1996 Tec. PW961002 [. . . ]