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AZ3845 Datasheet(PDF) 3 Page - Advanced Analog Technology, Inc. |
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AZ3845 Datasheet(HTML) 3 Page - Advanced Analog Technology, Inc. |
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3 / 13 page  CURRENT MODE PWM CONTROLLER AZ3842/3/4/5 Advanced Analog Circuits Data Sheet 3 March 2003 Rev: 1.0 Functional Block Diagram Figure 3. Functional Block Diagram of AZ3842/3/4/5 VCC GND RT/CT VFB ISENSE COMP VCC (PWR VC) VREF OUTPUT A(B) OSC VREF GOOD LOGIC OVER TEMP PROTECT T INTERNAL BIAS 2R R S/R 5V REF UVLO 2.50V PWN LATCH CURRENT SENSE COMPARATOR ERROR AMP 34V 1V 7(12) 5(9) 4(7) 2(3) 1(1) 3(5) 7(11) 8(14) 6(10) S R Note: Toggle flip-flop used for 3844/45 only (Note) 5(8) GND (PWR GND) A for 8-pin B for 14-pin Package Temperature Range Part Number Marking ID Packing Type SOIC-8 -40oC~85oC AZ3842/3/4/5M 3842/3/4/5M Tape/Reel/Tube DIP-8 AZ3842/3/4/5P AZ3842/3/4/5P Tube SOIC-14 AZ3842/3/4/5MM AZ3842/3/4/5MM Tape/Reel Ordering Information |
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