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GS1117CM-2.5 Datasheet(PDF) 3 Page - Vishay Siliconix |
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GS1117CM-2.5 Datasheet(HTML) 3 Page - Vishay Siliconix |
3 / 6 page GS1117 Vishay Semiconductors formerly General Semiconductor Document Number 74802 www.vishay.com 20-Feb-02 3 Electrical Characteristics(1) TJ = 25°C(2), VIN = 5V, Io = 10mA unless otherwise noted. Parameter Symbol Test Conditions Min Typ Max Unit Output Current Io 0°C ≤ TJ ≤ 125°C 0.85 A 2.65 ≤ Vin ≤ 7V Adjust Pin Current Iadj 10mA ≤ Io ≤ 800mA 55 120 µA 0°C ≤ TJ ≤ 125°C 2.65 ≤ Vin ≤ 7V Adjust Pin Current Change ∆Iadj 10mA ≤ Io ≤ 800mA 0.2 5 µA 0°C ≤ TJ ≤ 125°C Temperature Stability TS Io = 0.5A 0.8 %VO 0°C ≤ TJ ≤ 125°C Minimum Load Current ILMIN 0°C ≤ TJ ≤ 125°C 3 10 mA Adjustable Version 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: 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% GS1117 Adjustable Voltage Regulator + + VIN 5V VOUT C1 10 µF C2 10 µF 1 32 GS1117-2.5 GS1117-2.85 GS1117-3.3 GS1117-5 Fixed Voltage Regulator + + 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. (2) To maintain the specified junction temperatures, low duty cycle pulse testing is required for most parameters. |
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