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GS1086CST2.85 데이터시트(PDF) 3 Page - Vishay Siliconix |
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GS1086CST2.85 데이터시트(HTML) 3 Page - Vishay Siliconix |
3 / 6 page GS1086 Vishay Semiconductors formerly General Semiconductor Document Number 74801 www.vishay.com 12-Mar-02 3 Electrical Characteristics(1) (con’t.) TJ = 25°C(2), VIN = 5V, Io = 10mA unless otherwise noted. Parameter Symbol Test Conditions Min Typ Max Unit Quiescent Current IQ 0°C ≤ TJ ≤ 125°C10 14 mA Fixed Voltage Version RMS Output Noise N 10HZ ≤ f ≤ 10 kHZ 0.003 %VO Ripple Rejection Ratio RR f = 120 HZ, CO = 25 µF 60 68 dB Cadj = 25 µF Thermal Regulation RTH TA = 25°C, 30ms Pulse 0.02 0.05 %/W Long Term Stability TA = 125°C, 1000 Hrs 0.3 %VO Notes: (1) All parameters, except nominal output voltage are specified for the variable voltage version, allowing a wider Vin Range. The specified limits also apply for the fixed voltage versions over the allowable input voltage range: GS1086-2.5 (3.9V - 7.0V), GS1086-2.85 (4.25V - 7.0V), GS1086-3.3 (4.75V - 7.0V), GS1086-5 (6.4V - 7.0V). (2) To maintain the specified junction temperatures, low duty cycle pulse testing is required for most parameters. Notes: VREF = VOUT – VADJ = 1.25V (typ.) VOUT = VREF x (1+R2/R1) + IADJ x R2 IADJ = 55 µA (typ.) (1) C1 needed if device is far away from filter capacitors (2) C2 required for stability Typical Application Circuit VIN 5V VOUT 3.3V C1 10 µF C2 10 µF ADJ VREF 1 32 R1 125 Ω 1% R2 205 Ω 1% GS1086 Adjustable Voltage Regulator + + VIN 5V VOUT C1 10 µF C2 10 µF 1 32 GS1086-2.5 GS1086-2.85 GS1086-3.3 GS1086-5 Fixed Voltage Regulator + + |
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