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SI9120DY Fiches technique(PDF) 3 Page - Vishay Siliconix |
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SI9120DY Fiches technique(HTML) 3 Page - Vishay Siliconix |
3 / 6 page Si9120 Vishay Siliconix Document Number: 70006 S-42042—Rev. H, 15-Nov-04 www.vishay.com 3 SPECIFICATIONSa Specific Test Conditions DISCHARGE = −VIN = 0 V, LIMITS D Suffix −40 to 85_C Parameter Symbol DISCHARGE = −VIN = 0 V, VCC = 10 V +VIN = 300 V RBIAS = 390 kW, ROSC = 330 kW TEMPB MINC TYPD MAXC Unit Error Amplifier (Cont’d) Dynamic Output Impedancee ZOUT Error Amp configured for 60 dB gain Room 1000 2000 W Output Current IOUT Source VFB = 3.4 V Room −2.0 −1.4 mA Output Current IOUT Sink VFB = 4.5 V Room 0.12 0.15 mA Power Supply Rejection PSRR 9.5 V v VCC v 13.5 V Room 50 70 dB Current Limit Threshold Voltage VSOURCE VFB = 0 V Room 1.0 1.2 1.4 V Delay to Outpute td VSENSE = 1.5 V, See Figure 1 Room 100 150 ns Pre-Regulator/Start-Up Input Voltage +VIN IIN = 10 mA Room 450 V Input Leakage Current +IIN VCC w 9.4 V Room 10 mA VCC Pre-Regulator Turn-Off Threshold Voltage VREG IPRE-REGULATOR = 10 mA Room 7.8 8.6 9.4 V Undervoltage Lockout VUVLO Room 7.0 8.1 8.9 V VREG −VUVLO VDELTA Room 0.3 0.6 Supply Supply Current ICC CL = 500 pF at Pin 5 Room 0.85 1.5 mA Bias Current IBIAS Room 10 15 20 mA Logic SHUTDOWN Delaye tSD CL = 500 pF, VSENSE = −VIN See Figure 2 Room 50 100 SHUTDOWN Pulse Widthe tSW Room 50 ns RESET Pulse Widthe tRW See Figure 3 Room 50 ns Latching Pulse Width SHUTDOWN and RESET Lowe tLW See Figure 3 Room 25 Input Low Voltage VIL Room 2.0 V Input High Voltage VIH Room 8.0 V Input Current Input Voltage High IIH VIN = 10 V Room 1 5 mA Input Current Input Voltage Low IIL VIN = 0 V Room −35 −25 mA Output Output High Voltage VOH IOUT = −10 mA Room Full 9.7 9.5 V Output Low Voltage VOL IOUT = 10 mA Room Full 0.3 0.5 V Output Resistance ROUT IOUT = 10 mA, Source or Sink Room Full 20 25 30 50 W Rise Timee tr CL = 500 pF Room 40 75 ns Fall Timee tf CL = 500 pF Room 40 75 ns Notes a. Refer to PROCESS OPTION FLOWCHART for additional information. b. Room = 25_C, Cold and Hot = as determined by the operating temperature suffix. c. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. d. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. e. Guaranteed by design, not subject to production test. a. 250 V v +VIN 380 V place a 10-kW, 1/4-W resistor in series with a +VIN (Pin1). 380 V v +VIN 450 V place a 15-kW, 1/4-W resistor in series with a +VIN (Pin1). Connect a 0.01-mfd capacitor between +VIN (Pin 1) and −VIN (Pin 6). |
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