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SI9118DY Datasheet(PDF) 3 Page - Vishay Siliconix |
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SI9118DY Datasheet(HTML) 3 Page - Vishay Siliconix |
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3 / 11 page  Document Number: 70815 S11-0975–Rev. E, 16-May-11 www.vishay.com 3 Vishay Siliconix Si9118, Si9119 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 Parameter Symbol Test Conditions Unless Otherwise Specified - VIN = 0 V, VCC = 10 V Limits D Suffix - 40 to 85 °C Unit Temp.a Min. Typ.b Max. Oscillator Initial Accuracyd fOSC ROSC = 374 k COSC = 200 pF 90 100 110 kHz fOSC c ROSC = 70 k COSC = 200 pF 450 500 550 Voltage Stabilityc f/f ROSC = 70 k COSC = 200 pF f/f = [f(16.5 V) - f(9.5 V)] / f(9.5 V) 12 % Temperature Coefficientc OSC TC - 40 T A 85 °C, fOSC = 100 kHz 200 500 ppm/°C Sync High Pulse Width (Si9119) 200 ns Sync Low Pulse Width (Si9119) 200 Sync Rise/Fall Time (Si9119) 200 Sync Logic Low (Si9119) VIL 0.8 V Sync Logic High (Si9119) VIH 4 Sync Rangec (Si9119) fEXT 1.05 x fOSC kHz PWM/PSM PWM/PSM Logic High VIH 4 V PWM/PSM Logic Low VIL 0.8 DMAX Accuracy fOSC = 100 kHz with 1 % Resistor ± 10 % Error Amplifier (OSC Disabled) Input BIAS Current IFB VFB = 5 V, NI = VREF < 1.0 ± 200 nA Input OFFSET Voltage VOS2 ± 5 ± 25 mV Open Loop Voltage Gainc AVOL 65 80 dB Unity Gain Bandwidthc BW 1.8 2.7 MHz Output Current IOUT Source (VFB = 3.5 V, NI = VREF) - 1.0 - 2.7 mA Sink (VFB = 4.5 V, NI = VREF) 1.0 2.4 Power Supply Rejection PSRR 10 V V CC 16.5 V 50 80 dB Pre-Regulator/Start-up Input Voltagec +VIN IIN = 10 µA Room 200 V Input Leakage Current +IIN VCC 10 V Room 10 µA Pre-Regulator Start-Up Current ISTART Pulse Width 300 µs, V CC = VULVO Room 8 15 mA VCC Pre-Regulator Turn-Off Threshold Voltage VREG IPRE_REGULATOR = 15 µA Room 8.7 9.3 9.8 V Undervoltage Lockout VUVLO Room 8.0 8.6 9.3 VREG - VUVLO VDELTA Room 0.3 0.7 Supply Supply Current ICC CLOAD 50 pF, fOSC = 100 kHZ 1.9 3.0 mA SPECIFICATIONS |
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