Electronic Components Datasheet Search |
|
NCP1247AD100R2G Datasheet(PDF) 6 Page - ON Semiconductor |
|
NCP1247AD100R2G Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 42 page NCP1247 www.onsemi.com 6 ELECTRICAL CHARACTERISTICS (For typical values TJ = 25°C, for min/max values TJ = −40°C to +125°C, VHV = 125 V, VCC = 11 V unless otherwise noted) Characteristics Unit Max Typ Min Symbol Test Condition OSCILLATOR Maximum on time fOSC = 65 kHz fOSC = 100 kHz tONmax(65kHz) tONmax(100kHz) 11.3 7.4 12.3 8.0 13.1 8.5 ms Maximum duty cycle (corresponding to maximum on time at maximum switching frequency) fOSC = 65 kHz fOSC = 100 kHz DMAX − 80 − % Frequency jittering amplitude, in percentage of FOSC Ajitter ±4 ±6 ±8 % Frequency jittering modulation frequency Fjitter 85 125 165 Hz FREQUENCY FOLDBACK Feedback voltage threshold below which frequency foldback starts VFB(foldS) 1.8 2.0 2.2 V Feedback voltage threshold below which frequency foldback is complete VFB(foldE) 0.8 0.9 1.0 V Minimum switching frequency VFB = Vskip(in) + 0.1 fOSC(min) 23 27 32 kHz OUTPUT DRIVER Rise time, 10% to 90% of VCC VCC = VCC(min) + 0.2 V, CDRV = 1 nF trise − 40 70 ns Fall time, 90% to 10% of VCC VCC = VCC(min) + 0.2 V, CDRV = 1 nF tfall − 40 70 ns Current capability VCC = VCC(min) + 0.2 V, CDRV = 1 nF DRV high, VDRV = 0 V DRV low, VDRV = VCC IDRV(source) IDRV(sink) − − 500 800 − − mA Clamping voltage (maximum gate voltage) VCC = VCCmax – 0.2 V, DRV high, RDRV = 33 kW, Cload = 220 pF VDRV(clamp) 11 13.5 16 V High−state voltage drop VCC = VCC(min) + 0.2 V, RDRV = 33 kW, DRV high VDRV(drop) − − 1 V CURRENT SENSE Input Pull−up Current VCS = 0.7 V Ibias − 1 − mA Maximum internal current setpoint VFB > 3.5 V VILIM 0.66 0.70 0.74 V Propagation delay from VIlimit detection to DRV off VCS = VILIM tdelay − 80 110 ns Leading Edge Blanking Duration for VILIM tLEB 200 250 320 ns Threshold for immediate fault protection activation VCS(stop) 0.95 1.05 1.15 V Leading Edge Blanking Duration for VCS(stop) (Note 6) tBCS 90 120 150 ns Soft−start duration From 1st pulse to VCS = VILIM tSSTART 8 11 14 ms Frozen current setpoint VI(freeze) 275 300 325 mV INTERNAL SLOPE COMPENSATION Slope of the compensation ramp Scomp(65kHz) Scomp(100kHz) − − −32.5 −50 − − mV / ms FEEDBACK Internal pull−up resistor TJ = 25°C RFB(up) 15 20 25 kW 5. Internal supply current only, currents sourced via FB pin is not included (current is flowing in GND pin only). 6. Guaranteed by design. 7. CS pin source current is a sum of Ibias and IOPC, thus at VHV = 125 V is observed the Ibias only, because IOPC is switched off. |
Similar Part No. - NCP1247AD100R2G |
|
Similar Description - NCP1247AD100R2G |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |