EG1201芯片用户手册 - egmicro.com

1 ELECTRONIC GIANTEG1201 2012 REV EG1201 2012 2 / 14 2012 05 12 EG1201 EG1201 2012 3 / 14 1.. 42.. 43.. 44.. 55.. 66.. 77.. 98.. CT .. FB .. Rs .. 139.. DIP8 .. SOP8 .. 14 EG1201 2012 4 / 14 EG1201 1. 10 220 Vac SOP 8 DIP 8 2.

2 EG1201 PWM AC/DC 85V 265V 18W TO126 E13003 AC/DC IC IC CB 700V IC IC 3. DVD LCD LED EG1201 2012 5 / 14 4. CTISGNDOEOBEG120112345678 VRFBVCC 4-1. EG1201 I/O 1 CT I 2 VR O 3 FB I 4 GND GND 5 IS I 6 OE O 7 OB O 8 VCC POWER EG1201 2012 6 / 14 5.

3 VRIS22CT3FB4 GND5 RRS QQ6OE25K5K600uA100uAOSC1 OSC2 OUT-ENOSC-ENSTART-UP5 5-1. EG1201 EG1201 2012 7 / 14 6. LN33uF/450 VEG1201 CTISGNDOEOB12345678 VRFBVCC47 +12 VGND10K 1%39K 1%1N40071N40071N40071N4007FR107FR107222/ 1KV75 , 5-1. EG1201 LN33uF/450 VEG1201 CTISGNDOEOB12345678 VRFBVCC47 1%100K 1%1N40071N40071N40071N4007FR107FR107222/ 1KV75 5-2. EG1201 EG1201 2012 8 / 14 LN33uF/450 VEG1201 CTISGNDOEOB12345678 VRFBVCC47 +12 VGNDFR107FR107222/1KV75 5-3. EG1201 3*1W LED 33uF/450 VEG1201 CTISGNDOEOB12345678 VRFBVCC47 +11 VGND10K 1%82K 1%FR107FR107222/1KV75 5-3.

4 EG1201 7*1W LED EG1201 2012 9 / 14 7. TA=25 C Vcc GND 16 V GND Vcc+ V - - 140 mA - - 230 mA - - 800 mA - - 1000 mW - -45 85 C - -65 125 C T=10S - 300 C TA=25 C Vcc V - mA - - 55 80 uA - - 3 - mA - V - V - - - V - 10 V Io= V Vcc= 9V - 2 20 mV EG1201 2012 10 / 14 Io= 3mA - 3 5 % - - - mV/ C F=10Hz 10 KHz - - 50 uV T=85 C 1000h - 5 - mV - - - 10 mA Ct=680pF 57 61 65 KHz Vcc= 9V - 1 % Ta = 0 85 C

5 - 1 % (Vp-p) - - V Ct=680pF - 800 - nS - - mA - - 30 - K Vcc= 9V 60 70 dB - V Is= - - mA - - 60 70 dB - - 150 250 nS - - 580 - uA - 53 57 61 % - - - 5 IB=20mA - - V IB=20mA - - V CL=1000pF - - 75 nS CL=1000pF - - 75 nS Rs= 720 770 800 mA OE OE= - - V EG1201 2012 11 / 14 8. CT CT 100uA CT T=CT*24000 S F=1/T(Hz) 13003 70 KHz THX201 CT 680pF 61 KHz FB FB FB 600uA 30K ( ) FB FB CFB 103 104 Rs THX201 RS Ic_peak= (A) Rs Rs Rs Rs=( *Vdc_min*Dmax)/Po ( )

6 Vdc_min Dmax Po EG1201 2012 12 / 14 Vdc_min=100V Po=5V/2A=10W Dmax= Rs= *100* IC 135 C 125 C135 C125 FB=0 OB 40mA FB= OB 120mA OB EG201 IC OB OE Ic CB 700V EG1201 2012 13 / 14 IC VCC IC Ic IC VCC IC VCC 9V VCC VCC IC IC VCC VCC FB VCC VCC VCC IC IC FB MOSFET Ron EG1201 Ice_limit= (A) 90V 15W EG1201 2012 14 / 14 9.

7 DIP8 SOP8