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XN1043 Dataheets PDF



Part Number XN1043
Manufacturers Innuovo
Logo Innuovo
Description Switching power supply controller IC
Datasheet XN1043 DatasheetXN1043 Datasheet (PDF)

XN1043 XN1043 XN1043 、 PWM 。 。 ,, (Burst Mode)、 。 ,XN1043 , ;,XN1043 , , ,,。 XN1043 , PWM 。 XN1043 ,。 ,。 XN1043, :(OCP)、 (OLP)、(OTP)、VDD(OVP)、 (UVLO)。, MOSFET, 18V。 XN1043 OCP 50KHz , AC 。XN1043 , EMI 。, 20KHz , 。, 。 RCC , ,。 XN1043 8-Pin SOP8 DIP8 。 „ Burst Mode „ (6.5uA) „ (2.3mA) „ „ „ „ PWM „ (OTP) „ (OCP) „ VDD (OVP) „ (UVLO) „ (18V) „ „ „ (OLP) „ AC/DC : „ „ „ „ ◎ DS.XN1043V1.0 1 2008 6 XN1043 XN1043 8-Pin DIP8 SOP8 ,: 1 GND 2 FB 3 VIN 4 .

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XN1043 XN1043 XN1043 、 PWM 。 。 ,, (Burst Mode)、 。 ,XN1043 , ;,XN1043 , , ,,。 XN1043 , PWM 。 XN1043 ,。 ,。 XN1043, :(OCP)、 (OLP)、(OTP)、VDD(OVP)、 (UVLO)。, MOSFET, 18V。 XN1043 OCP 50KHz , AC 。XN1043 , EMI 。, 20KHz , 。, 。 RCC , ,。 XN1043 8-Pin SOP8 DIP8 。 „ Burst Mode „ (6.5uA) „ (2.3mA) „ „ „ „ PWM „ (OTP) „ (OCP) „ VDD (OVP) „ (UVLO) „ (18V) „ „ „ (OLP) „ AC/DC : „ „ „ „ ◎ DS.XN1043V1.0 1 2008 6 XN1043 XN1043 8-Pin DIP8 SOP8 ,: 1 GND 2 FB 3 VIN 4 RI DIP8 SOP8 8 GATE 7 VDD 6 SENSE 5 RT 8-Pin DIP8, Pb-free, Have OVP 8-Pin SOP8, Pb-free, Have OVP 8-Pin DIP8, Pb-free, No OVP 8-Pin SOP8, Pb-free, No OVP XN1043DP1 XN1043SP1 XN1043DP0 XN1043SP0 X: D = DIP8 , S = SOP8 P: P = Pb-free package, Null = normal T: 1 = Have OVP, 0 = No OVP Y: Year Code (0-9) WW: Week Code (1-52) V: ( 1-9) XN1043DP1 XN1043SP1 XN1043DP0 XN1043SP0 ◎ DS.XN1043V1.0 2 2008 6 XN1043 GND FB VIN RI RT SENSE VDD GATE DIP8/SOP8 1 2 3 4 5 6 7 8 。 6 PWM 。 FB , PWM 。 , ;,。 。RI GND 。 。 NTC 。 。 MOSFET 。 。 。 MOSFET 。 (18V)。 GND RI VDD RT clamp OVP/ UVLO PWM OCP Burst Mode GATE VIN SENSE FB ◎ DS.XN1043V1.0 3 2008 6 XN1043 (symbol) (parameter) (value) (unit) VDD DC 30 V VFB FB -0.3 — 7 V VSENSE SENSE -0.3 — 7 V VRI RI -0.3 — 7 V VRT RT -0.3 — 7 V TJ -20 — 150 ℃ TSTG -55 — 150 ℃ VCV VDD clamp 35 V ICC VDD DC clamp 10 mA :。,, 。 (symbol) (parameter) VDD RI TA VDD RI ESD (value) 12 — 23 24 -20 — 85 (unit) V Kohm ℃ (symbol) (parameter) VESD-HBM VESD-MM ESD , ESD , (value) 3 250 (unit) KV V ◎ DS.XN1043V1.0 4 2008 6 XN1043 : TA=25℃,VDD=16V,RI=25Kohm () Symbol Parameter Conditions Min Typ Max Unit I_VDD_Startup VDD startup current VDD=15V, measure current into VDD 6.5 20 uA I_VDD_Operation UVLO(ON) UVLO(OFF) OVP(ON) OVP(OFF) TD_OVP VDD_Clamp Operation Current VDD under voltage lockout enter VDD under voltage lockout exit VDD Over Voltage Protection Enter VDD Over Voltage Protection Exit OVP Debounce time VDD Clamp voltage Feedback Input Section(FB Pin) Avcs PWM Input Gain, VFB_Open VFB Open Voltage IFB_Short VTH_0D FB pin short current Zero Duty Cycle FB Threshold Voltage VTH_BM Burst Mode FB Threshold Voltage VTH_PL Power Limiting FB Threshold TD_PL Power Limiting Debounce Time ZFB_IN Input Impedance Current Sense Input(Sense Pin) T_blanking Sense Input Leading Edge Blanking Time Zsense_IN Sense Impedance Input Over Current TD_OC Detection and Control Delay Current Limiting VTH_OC_0 Threshold at No Compensation Current Limiting VTH_OC_1 Threshold at Compensation FB=3V I(VDD)=5mA △VFB/△VCS Short FB pin to GND CL=1nF at GATE I(VIN)=0uA I(VIN)=150uA 2.3 mA 9.5 10.5 11.5 V 16 17 18 V 23.5 25 26.5 V 21.5 23.2 24.7 V 80 us 36 V 2.6 V/V 6V 0.8 mA 0.95 V 1.7 V 4.4 V 80 mSec 7.5 Kohm 300 nSec 39 kohm 120 nSec 0.85 0.9 0.95 V 0.81 V ◎ DS.XN1043V1.0 5 .



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