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AN8038 Datasheet(PDF) 4 Page - Panasonic Semiconductor |
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AN8038 Datasheet(HTML) 4 Page - Panasonic Semiconductor |
4 / 22 page AN8038, AN8038S Voltage Regulators 4 s Electrical Characteristics at VCC = 18 V, Ta = 25°C Parameter Symbol Conditions Min Typ Max Unit Low voltage protection (U.V.L.O.) Start VCC 12.9 14.4 15.9 V initial startup supply voltage. Low voltage protection (U.V.L.O.) Stop VCC 8.0 8.9 9.8 V operation stop supply voltage Overvoltage protection (OVP) OVP VCC 18.7 20.5 22.3 V operating supply voltage Overvoltage protection (OVP) OVPC VCC 6.6 7.5 8.4 V release supply voltage Overvoltage protection (OVP) OVP ICC1 VCC = 22 V → 10 V 0.4 0.53 0.66 mA operating time circuit current 1 Overvoltage protection (OVP) OVP ICC2 VCC = 22 V → 18 V 1.3 1.7 2.1 mA operating time circuit current 2 Transformer reset detection (TR) TR VTH 0.15 0.25 0.35 V threshold voltage Transformer reset detection (TR) TR VCLH ITR = 1 mA 1.2 1.5 1.8 V upper limit clamp voltage Transformer reset detection (TR) TR VCLL ITR = −1 mA − 0.3 − 0.15 0 V lower limit clamp voltage Transformer reset detection (TR) TR ITR VTR = 0.5 V −50 µA pin source current Overcurrent protection (CLM) CLM VTH −225 −205 −185 mV threshold voltage Oscillator (CF) maximum CF GION IFB = Open 0.8 1.0 1.2 on-period current gain Oscillator (CF) maximum CF ION ITR = 0 mA 210 280 350 µA on-period current Oscillator (CF) minimum CF IOFF1 IIFB = − 0.7 mA −1 560 −1 250 −940 µA off-period current 1 Oscillator (CF) minimum CF IOFF2 IIFB = −1.3 mA −70 −55 −40 µA off-period current 2 Output oscillator frequency fOSC CF = 1 000 pF, I TR = −450 µA 105 140 175 kHz IIFB = − 0.5 mA Standby pin (RSTB) voltage VRSTB 3.2 3.5 3.8 V Standby operation (RSTB) RSTB VTH 0.3 0.5 0.7 V threshold voltage Current feedback pin (IFB) voltage VIFB IIFB = − 0.7 mA 5 5.6 6.2 V Pre-startup low-level output voltage STB VOL VCC = 12 V 1.0 1.25 V Low-level output voltage VOL IOUT = 0.2 A 0.9 2.0 V High-level output voltage VOH IOUT = − 0.1 A 15.5 16.3 V Circuit current during startup 1 ISTART1 120 190 280 µA Circuit current 1 OPR1 ICC1 VCC = 10 V 6.1 8.7 11.3 mA Circuit current 2 OPR2 ICC2 VCC = 18 V 6.4 9.1 11.8 mA |
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Similar Description - AN8038 |
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