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TL2217-285KC bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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TL2217-285KC bảng dữ liệu(HTML) 3 Page - Texas Instruments |
3 / 6 page TL2217-285 FIXED-VOLTAGE REGULATORS FOR SCSI ACTIVE TERMINATION SLVS066F – NOVEMBER 1991 – REVISED JULY 1999 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating conditions, VI = 4.5 V, IO = 500 mA, TJ = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS† TL2217-285 UNIT PARAMETER TEST CONDITIONS† MIN TYP MAX UNIT Output voltage IO =20mAto500 mA VI =3 85Vto5 5V TJ = 25°C 2.81 2.85 2.89 V Output voltage IO = 20 mA to 500 mA, VI = 3.85 V to 5.5 V TJ = 0°C to 125°C 2.765 2.935 V Input voltage regulation VI = 3.85 V to 5.5 V 5 15 mV Ripple rejection f = 120Hz, Vripple = 1 VPP –62 dB Output voltage regulation IO = 20 mA to 500 mA 5 30 mV Output noise voltage f = 10 Hz to 100 kHz 500 µV Dropout voltage 1 V IO = 0 2 5 Bias current IO = 27 mA, equivalent 1 line asserted 3 6 mA IO = 500 mA, equivalent 18 lines asserted (8 bit) 26 49 † Pulse-testing techniques are used to maintain the virtual junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.1- µF capacitor across the input and a 22-µF tantalum capacitor with equivalent series resistance of 1.5 Ω on the output. electrical characteristics over recommended operating conditions, VI = 4.5 V, IO = 500 mA, TJ = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS† TL2217-285Y UNIT PARAMETER TEST CONDITIONS† MIN TYP MAX UNIT Output voltage IO = 20 mA to 500 mA, VI = 3.85 V to 5.5 V 2.81 2.85 2.89 V Input voltage regulation VI = 3.85 V to 5.5 V 5 15 mV Ripple rejection f = 120 Hz, Vripple = 1 VPP –62 dB Output voltage regulation IO = 20 mA to 500 mA 5 30 mV Output noise voltage f = 10 Hz to 100 kHz 500 µV Dropout voltage IO = 500 mA 1 V IO = 0 2 5 Bias current IO = 27 mA, equivalent 1 line asserted 3 6 mA IO = 500 mA, equivalent 18 lines asserted (8 bit) 26 49 † Pulse-testing techniques are used to maintain the virtual junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.1- µF capacitor across the input and a 22-µF tantalum capacitor with equivalent series resistance of 1.5 Ω on the output. |
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