 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
NCP1937C1DR2G Datasheet(PDF) 3 Page - ON Semiconductor |
|
||||||||||||||||||||||||||||||
NCP1937C1DR2G Datasheet(HTML) 3 Page - ON Semiconductor |
|
|
3 / 38 page  NCP1937 www.onsemi.com 3 Figure 2. Functional Block Diagram Disable PFC PDRV HV/X2 VCC + − + − PFBHV + In Regulation + Timer − In Regulation Brownout VCC_OK Low/High Line PUVP PILIM1 Counter QRDRV QCT CT Setpoint QZCD LEB1 nQILIM2 Fault − QFB QCS LEB1 LEB2 Counter Frequency Clamp LEB2 Enable BO/X2 High Voltage Startups, Detection, and Logic PFBLV + PONOFF PFC OVP Detection QZCD Temperature nPILIM2 PILIM2 PSKIP + + − + − 13 QDRV Line Removal Line Removal VCC Management VCC_OK In PSM Valley Select Logic Valley QSkip VCO VCO QOVLD TSD ZCD Detect Valley ZCD Detect PFCDRV PILIM2 PZCD Soft−start Central Logic Reset Level Shift ON Time Ramp PControl Low Clamp Disable PFC PUVP POVP PZCD PFCDRV S R Q Dominant Reset Latch POVP Low/High Line PUVP PSKIP PILIM1 PILIM2 PFCDRV OVP OTP PSTIMER In PSM Initial Discharge PSM Detection VCC_OK QRDRV GND S R Q Dominant Reset Latch QILIM2 QILIM1 QSkip QRDRV VCC_OK In PSM Low/High Line S S S S S S QOVLD nPILIM2 nQILIM2 OVP OTP Brownout Line Removal R R R Line Removal Brownout Fault Logic Latch Auto−recovery Latch Auto−recovery S TSD QR_EN QR_EN Soft−start Minimum Frequency Oscillator QRDRV VCO PCS/PZCD In_PSM IPSTimer1/2 VFault(OTP_in) IOTP VFault(OVP) VPILIM2 VPILIM1 + − VCCOVP VCC(reset) VPZCD PFCDRV tP(tout) Q tPFC(off) VPREF(xL) VPCONTROL(MAX) KLOW KLOW(HYS) PFCDRV VQILIM1 PFC IEA VCC(reset) VPFB(HYS) VPFB(disable) IPControl(boost) KPOVP(xL) DPOVP(xL) VQILIM2 IQCS VQILIM1 VQZCD VQZCD tQOVLD tonQR(MAX) In_PSM IQFB RQFB Q VQZCD tQ(toutx) VQFB IQCT VQZCD(th) VQZCD(hys) QSkip tdelay(QSKIP) VQFB Soft−Start VPOFF VPONHYS IPONOFF CCC ICC(discharge) VCCOVP VCC(reset) VDD Istart tPisable VQFB /KQFB DVPSKIP 17 10 7 11 14 6 12 1 3 20 18 5 15 16 8 9 |
Similar Part No. - NCP1937C1DR2G |
|
Similar Description - NCP1937C1DR2G |
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.COM |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | 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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
