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FAN5182 Fiches technique(PDF) 5 Page - Fairchild Semiconductor |
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FAN5182 Fiches technique(HTML) 5 Page - Fairchild Semiconductor |
5 / 18 page 5 www.fairchildsemi.com FAN5182 Rev. 1.0.1 Notes: 1. All limits at operating temperature extremes are guaranteed by design, characterization and statistical quality control. 2. Guaranteed by design, not tested in production. Current Limit Threshold Voltage VCL VCSREF - VCSCOMP, RILIMIT = 250k Ω 105 125 145 mV Current Limit Setting Ratio VCL/IILIMIT 10.4 mV/ µA DELAY Normal Mode Voltage VDELAY(NM) RDELAY = 250kΩ 2.9 3 3.1 V DELAY Overcurrent Threshold VDELAY(OC) RDELAY = 250kΩ 1.7 1.8 1.9 V Latch-Off Delay Time (Note 2) tDELAY RDELAY = 250kΩ, CDELAY = 12nF 1.5 ms SOFT-START Output Current, Soft-Start Mode IDELAY(SS) During startup, DELAY < 2.4V ● 15 20 25 µA Soft-Start Delay Time (Note 2) tDELAY(SS) RDELAY = 250kΩ, CDELAY = 12nF 500 µs ENABLE INPUT Input Low Voltage VIL(EN) ● 0.8 V Input High Voltage VIH(EN) ● 2.0 V Input Hysteresis Voltage 100 mV Input Current IIN(EN) ● -1 +1 µA POWER GOOD COMPARATOR Undervoltage Threshold VPWRGD(UV) Relative to FBRTN ● 600 660 720 mV Overvoltage Threshold VPWRGD(OV) Relative to FBRTN ● 880 940 1000 mV Ouput Low Voltage VOL(PWRGD) IPWRGD(SINK) = 4mA ● 225 400 mV Power Good Delay Time 200 ns Crowbar Trip Point VCROWBAR Relative to FBRTN ● 0.970 1.05 1.105 V Crowbar Reset Point Relative to FBRTN ● 550 650 750 mV Crowbar Delay Point (Note 2) tCROWBAR Overvoltage to PWM going low 400 ns PWM OUTPUTS Output Low Voltage VOL(PWM) IPWM(SINK) = 400µA ● 160 500 mV Output High Voltage VOH(PWM) IPWM(SOURCE) = -400µA ● 4.0 5 V SUPPLY DC Supply Current ● 510 mA UVLO THreshold Voltage VUVLO VCC rising ● 6.5 6.9 7.3 V UVLO Hysteresis ● 0.7 0.9 1.1 V Parameter Symbol Conditions Min. Typ. Max. Units |
Numéro de pièce similaire - FAN5182 |
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Description similaire - FAN5182 |
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