MB3873
Overview
- Operating power supply voltage : 10V to 28V Operating current : 2.5mA typ. Low standby current : 400µA typ. Control frequency range : 10kHz to 800kHz Operating temperature range : -30°C to +105°C Soft start circuit on-chip Overvoltage detection circuit on-chip (Continued) s PACKAGE 16-pin plastic SOP (FPT-16P-M06) MB3873 (Continued)
- Overload detection circuit on-chip
- Over temperature detection circuit on-chip
- Under voltage lockout protection circuit on-chip s PIN ASSIGNMENT (TOP VIEW) RT : 1 CT : 2 RD : 3 CD : 4 FB : 5 CS : 6 GND : 7 OUT : 8 16 : -IN 15 : +IN 14 : OVP 13 : OTP 12 : ENB 11 : VCC 10 : VREF 9 : VCC (O) (FPT-16P-M06) 2 MB3873 s PIN DESCRIPTION Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol RT CT RD CD FB CS GND OUT VCC (O) VREF VCC ENB OTP OVP +IN -IN I/O - - - - I - - O - O - - I I I I Descriptions Triangular wave oscillator frequency setting resistor connection pin Triangular wave oscillator frequency setting capacitor connection pin Dead time setting resistor connection pin Delay interval setting capacitor connection pin Control frequency control pin Soft start capacitor connection pin Ground pin Totem pole type output pin Output circuit power supply pin Reference voltage output pin Reference po
