 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| Quasi-Resonant IC FA5530/31/32 FA5531 Block Diagram FA5531 Block Diagram Features Features * Internal start-up circuit with 500V rating and low Valley detection 1 shot (380ns) Start up management Logic frequency operation achieves 140mW input at no load. ZCD VH * Small Output Capacitance : Linearly reduced Time out (5s) CLR 5V Start up Current frequency for lighter load causes small ripple voltage. Reset VCC *Suitable for Low Noise and High Efficiency about 90% 50uA *Line-up of 3 types for maximum frequency and OLP IS 5V Max. fsw Blanking Variable max.130kHz UVLO 5V Reg. Check 5530: 65kHz max.,16Vmax.-VCC,Auto-restart OLP 5V Reg. 9.85V/9.1V 5531:130kHz max.,28Vmax.-VCC,Auto-restart OLP 20k Internal supply 5532:130kHz max.,28Vmax.-VCC,Timer-Latched OLP FB 125k 125k *High ability of driving Power MOSFET ( High / Low Current comparator Driver S R 1V Disable Q OUT side : 17 ohm / 3.5 ohm ) : available to 200W output ZCD *Vcc rating 28V allows no series regulator for Soft start (1ms) 8V 0.4V Overload Timer 190ms 1510ms OVP 2 auxiliary winding to clamp Vcc voltage for FA5531/32. *1ms Fixed Soft Start time VCC OVP 1 Reset Timer latch (48s) *Timer Latched Over-Voltage Protection of 16V/28V Vcc 3.3V 28V *8 pins package ( DIP/SO ) GND Usage : Notebook PC, LCD Monitor, LCD-TV etc. Quasi-Resonant IC FA5530/31/32 Bead 4700pF Application Circuit Application Circuit 2200pF YG 865C15R * 2 T1 4.7H 56k 2200pF 1000F 35V 220F 400V E R A38-06 3300F * 3 35V ( 9900F ) 80 to 264Vac 19V / 0 to 5A 0.22F 470pF 7mH 1M 1M 250V/ 3A E RA15-01 2SK3687 Cd 220pF 470pF D3SBA60 FG Lp=360H Np:Ns:Nsub=57:10:12 0.022F 2k 200k 0.1F GND 7.5k 10 ohm 0.22 ohm SC902-2 4.7k 10k 18k 2200pF 100 ohm 100k 10k National Semiconductor LMV431 0.01F 100 ohm 1 2 3 4 5 33F 50V 6 7 8 4.7 ohm E R A22-02 15k 4700pF 22pF 1000pF FA5531 Quasi-Resonant IC FA5530/31/32 Low dV/dt slope of Drain Voltage "Vds" Timing Chart FA5531/32 Timing Chart ((FA5531/32 )) Vds Vds Valley Switching Frequency vs. Output Power Switching Frequency vs. Output Power Valley fsw (130kHz) Maximum fsw Frequency 1/130kHz 130kHz Maximum Frequency : Frequency 65kHz or 130kHz Max fsw 130kHz 1/130kHz fsw Maximum Period is (1kHz) 1 / (Minimum Frequency). Example :1kHz Example: 1kHz (1kHz) Valley Valley Signal Output PowerPo Po OUT OUT pin voltage Heavy Load Middle Load Light Load * Low frequency switching such as 1kHz at light load reduces standby power. * Maximum frequency limits EMI noise and switching Loss. * Switching at Valley of Vds : Turn-ON Loss and Noise are very small. * Low dV/dt of Vds at Turn-OFF by a capacitor connected between Drain and Source of Power MOSFET : Turn-OFF Loss and Noise are also very small. Quasi-Resonant IC FA5530/31/32 Efficiency 95 95 94 93 93 91 92 89 91 87 90 85 89 83 88 81 87 79 86 77 85 75 Demo Board Data Demo Board Data Efficiency (%) (%) * Demo Board Specification Input Range : 80Vac to 264Vac Output Rating : 95W ( 19V / 5A ) * Demo Board Data 60mW to 140mW at no load, 0.9kHz Efficiency : 86 to 91% ( 20W to 95W ) satisfies the standard of energy star 0 0 1 1 2 2 Io(A) 100Vac 100Vac 240Vac 240Vac 3 3 4 4 5 5 Io (A) load Input Power at no 1.0 1 Frequency at no load 160 160 140 140 120 120 100 100 80 80 40 40 Input Power (mW) Pin(mW) 0 0 Frequency (kHz) fsw(kHz) 60 60 20 20 50 Vin(Vac) 100 100 150 150 200 200 250 250 300 300 0.9 0.9 0.8 0.8 0.7 0.7 0.6 0.6 0.5 0.5 0.4 0.4 0.3 0.3 0.2 0.2 0.1 0.1 0 0 Input Voltage Vin (Vac) 50 50 100 100 Input Voltage Vin (Vac) 150 200 150 200 Vin(Vac) 250 250 300 300 |
Price & Availability of FA5530
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |