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SIP11206 Datasheet(PDF) 4 Page - Vishay Siliconix |
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SIP11206 Datasheet(HTML) 4 Page - Vishay Siliconix |
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4 / 19 page ![]() www.vishay.com 4 Document Number: 69232 S-81795-Rev. C, 04-Aug-08 Vishay Siliconix SiP11206 SPECIFICATIONS Parameter Symbol Test Conditions Unless Otherwise Specified TA = - 40 °C to + 85 °C, FOSC = 800 kHz, 10.5 V ≤ V CC ≤ 13.2 V, VINDET = 4.8 V, VIN = 48 V, RDB = 47.5 kΩ, ROSC = 47.5 kΩ, COSC = 100 pF Limits Unit Min. Typ. Max. Pre-Regulator VIN Range VIN 36 48 75 V Pre-Reg Current (cut-off) IVINLKG VIN = 75 V, VCC > 10.5 V 10 µA Pre-Reg Current (standby) IVINSD VIN = 75 V, VINDET = 0 V 90 200 Pre-Reg Current (switching) IVINSW VIN = 75 V, VINDET = 7.5 V 3.3 6.0 8.7 mA Pre-Reg Output Voltage VREG VCC Voltage with VIN = 48 V 7.8 9.3 10.4 V Pre-Reg Drive Current ISTART VCC < VREG 20 mA Pre-Reg Load Regulation LDR ILOAD: 0 to 20 mA 100 mV Pre-Reg Line Regulation LNR 0.05 %/V Regulator Compensation ISRC VCC = 12 V - 35 - 20 - 10 µA ISNK 40 87 130 VCC Supply Voltage VCC Range VCC 10.5 12 13.2 V Shut Down Current ISD VINDET = 0 V 50 150 350 µA Quiescent Current IQ VINDET < VREF 4.0 5.0 6.2 mA Supply Current ICC VINDET > VREF 5.5 7.2 9.5 UVLO Off-Threshold UVLOH VCC rising 7.6 9.0 10 V Hysteresis HUVLO 1.2 VCC Clamp Voltage VCLAMP Force 20 mA into VCC 14 15.3 16.2 Current Sense Current Limit Threshold 1 (MOC)a VMOC ISS = 20 µA, CSS= 1 nF 105 130 160 mV Current Limit Threshold 2 (SOC)b VSOC ISS = 400 nA, CSS= 1 nF 165 200 235 CS to DL Delay TD 150 ns Leading Edge Blanking Period TBL DL(ON) blanking time 20 Pulse Width Modulator Maximum Duty Cyclec DMAX 47 50 % Maximum Duty Cycle Asymmetry 1 RDB Voltage VRDB 3.18 V Oscillator Oscillator Frequencyd FOSC ROSC = 47 kΩ, COSC = 100 pF 680 800 920 kHz Oscillator Bias Voltage VROSC 3.24 V Soft Start Soft Start Charging Current ISS VSS = 0 V - 26 - 20 - 14 µA SS Ramp Completion Voltage VSS 5.4 V MOC Discharge Current IDSS1 CS = VMOC 14 20 26 µA SOC Discharge Current IDSS2 CS = VSOC 400 nA Reset Voltage VSSL CS < VMOC 0.25 V Reference Output Voltage VREF VCC = 12 V 3.2 3.3 3.4 V Short Circuit Current IREFSC VREF = 0 V - 50 - 42 mA Load Regulation ΔV R/ΔIR (0 mA ≤ I LOAD ≤ 2.5 mA) - 33 - 16 mV |
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