SDC7500

SDC7500 PWM SDC7500  SDC7500 ，， 、DC/DC ，。  ◇ ◇ ◇ ◇ ◇ ◇ ◇ 5V 200mA ：SOP-16，DIP-16  ◇ ◇ PC DC-DC  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 IN1+ IN1FEEDBACK DTC CT RT GND C1 E1 E2 C2 VCC OUTPUT CONTROL VREF IN2IN2+ 1 1 1 1 2 2 2 2 V1.0 www. yes-cheer.com 1 Free Datasheet http://www.nDatasheet.com SDC7500  CTRL 13 8 C1 RT 6 CT 5 OSC DEAD DEAD 4 10 E2 IN+ 1 PWM IN- 2 IN+ 16 IN- 15 ERR REF 5.0V 14 VREF 12 VCC T Q QN 9 E1 11 C2 ERR 3 COMP 7 GND  Vcc VI Vo Ico PD Topr Tstg 42 VCC+0.3 42 200 1000 -25~85 -65~150 V V V mA mW ℃ ℃  （，Vcc=15.0V,f=1KHZ，TEMP=25℃） Vref Delta_VV Delta_VL Isc Delta_VT Vth Isink Iref=1mA VCC=7V~40V Iref=1mA~10mA Vref=0V,Ta=25℃ ΔTA=MIN TO MAX PWM DUTY=0 VPIN3=0.7V 0.3 4.90 5.00 2 1 55 0.2 4 0.7 1 4.5 5.10 25 15 V mV mV mA % V mA V1.0 www. yes-cheer.com 2 Free Datasheet http://www.nDatasheet.com SDC7500 Fosc Delta Delta_FT Delta_FV Voffset Ioffset Ibias Isink Isourse VI GV Fband Rrej Ibias Gv Vth Vth ICC1 ICC Iav IC IE Vsat Vsat Ii Tr Tf Tr Tf VCC=40V 1 2 OFF-STATE OFF-STATE - VI=0~5.25V VI（PIN4）=0 DUTY=0 DUTY=MAX VCC=15V VCC=40V VPIN4=2V VCE=40V，VCC=40V VCC=VC=40V， VE=0 VE=0，IC=100mA VC=15V， IE=-100mA VI=VREF Common-emitter configuration Emitter-follower configuration 100 25 100 40 200 100 200 100 ns ns ns ns 1.0 1.5 2 100 -100 1.3 2.5 3.5 uA uA V V mA 6 9 7.5 10 15 mA mA mA 0 45 2.7 3.3 -2 -10 uA % V 65 CT=1nF， RT=12KOHM ALL Value of CT RT...