UC2843AQ controller equivalent, current-mode pwm controller.
to control current mode switched mode power supplies, this family has the following improved features. Start up current is guaranteed to be less than 0.5 mA. Oscillator d.
of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION D.
SGLS164
– APRIL 2003
D 8-PIN PACKAGE (TOP VIEW)
COMP
VFB ISENSE RT/CT
1 2 3 4
8 VREF 7 VCC 6 OUTPUT
5 GND
D 14-PIN PACKAGE (TOP VIEW)
COMP
NC
VFB NC
ISENSE NC
RT/CT
1 2 3 4 5 6 7
14 VREF 13 NC 12 VCC 11 VC 10 OUTPUT
9 GND
8 PW.
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