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NJU7241 Datasheet(PDF) 2 Page - New Japan Radio |
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NJU7241 Datasheet(HTML) 2 Page - New Japan Radio |
2 / 8 page NJU7241 Series s s s s EQUIVALENT CIRCUIT s s s s ABSOLUTE MAXIMUM RATINGS (Ta=25 °C) Parameter Symbol Ratings Unit Input Voltage VIN 15 V Input Voltage VSTB GND-0.3 ∼ V IN+0.3 V Output Voltage VOUT GND-0.3 ∼ V IN+0.3 V Output Current IOUT 120 mA Power Dissipation PD 200 mW Operating Temperature Topr -40 ∼ +85 °C Storage Temperature Tstg -40 ∼ +125 °C s s s s ELECTRICAL CHARACTERISTICS •V O=1.8V (CIN=0.1 µF, C O=10 µF, Ta=25°C) Parameter Symbol Condition MIN. TYP. MAX. Unit Output Voltage VO VIN=2.8V, IO=30mA 1.764 1.800 1.836 V Dropout Voltage ∆V IO IO=15mA 0.2 0.3 V Input Voltage VIN 14 V Operating Current IDD1 VIN=2.8V, VSTB=VIN, No Load 20 40 µA Standby Current IDD2 VIN=2.8V, VSTB=GND 0.1 1.0 µA Input Current ISTB VIN=2.8V, VSTB=VIN 0.56 1.12 µA Load Regulation ∆V O/ ∆I O VIN=2.8V, 1mA≦IO≦60mA 200 300 mV Line Regulation ∆V O/ ∆V IN VIN=2.8V ∼12V 0.10 %/V Ripple Rejection RR VIN=2.8V, ein=0.5Vp-p, 1kHz 55 dB H Level Input Voltage VSTBH 1.5 VIN V L Level Input Voltage VSTBL 0 0.25 V •V O=2.4V (CIN=0.1 µF, C O=10 µF, Ta=25°C) Parameter Symbol Condition MIN. TYP. MAX. Unit Output Voltage VO VIN=3.4V, IO=30mA 2.352 2.400 2.448 V Dropout Voltage ∆V IO IO=30mA 0.2 0.3 V Input Voltage VIN 14 V Operating Current IDD1 VIN=3.4V, VSTB=VIN, No Load 20 40 µA Standby Current IDD2 VIN=3.4V, VSTB=GND 0.1 1.0 µA Input Current ISTB VIN=3.4V, VSTB=VIN 0.9 1.8 µA Load Regulation ∆V O/ ∆I O VIN=3.4V, 1mA≦IO≦60mA 200 300 mV Line Regulation ∆V O/ ∆V IN VIN=3.4V ∼12V 0.10 %/V Ripple Rejection RR VIN=3.4V, ein=0.5Vp-p, 1kHz 55 dB H Level Input Voltage VSTBH 1.5 VIN V L Level Input Voltage VSTBL 0 0.25 V 1 23 VIN VOUT GND GND + - VREF 5 STB Short Current Protection Circuit |
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