AZ7500B/C AZ7500B AZ7500C DIP-16 SOIC-16 SOIC-16/DIP-16 AZ7500BM AZ7500BM-E1 - Datasheet Archive

 

PULSE-WIDTH-MODULATION CONTROL CIRCUITS Description The AZ7500B/C is a voltage mode pulse width modulation switching regulator

 

Product Brief PULSE-WIDTH-MODULATION CONTROL CIRCUITS Description The AZ7500B/C AZ7500B/C is a voltage mode pulse width modulation switching regulator control circuit designed primarily for power supply control. The AZ7500B/C AZ7500B/C consists of a reference voltage circuit, two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, and an output control circuit. The precision of voltage reference (VREF) is AZ7500B/C AZ7500B/C Parametric Table AZ7500B AZ7500B 4.95 AZ7500C AZ7500C 5 Reference Voltage (V) Features · · · · · · Stable 4.95V/5V Reference Voltage Trimmed to ±1.0% Accuracy Uncommitted Output TR for 200mA Sink or Source Current Single-End or Push-Pull Operation Selected by Output Control Internal Circuitry Prohibits Double Pulse at Either Output Complete PWM Control Circuit with Variable Duty Cycle On-Chip Oscillator with Master or Slave Operation 1% Frequency Change with Temperature (Max) 1% Open Loop Voltage Gain (db) 95 Unity-Gain Bandwidth (KHz) 650 Output Saturation Voltage (Common Emitter) (V) 1.1 Rise Time (ns) improved up to ± 1% through trimming and this provides a better output voltage regulation. The AZ7500B/C AZ7500B/C provides for push-pull or single-ended output operation, which can be selected through the output control. Reference Voltage Tolerance 100 Fall Time (ns) 25 Supply Voltage (V) 7 to 36 DIP-16 DIP-16 Package SOIC-16 SOIC-16 Benefits · · Higher Power Glitch Rejection Very competitive price Applications Additional Available Materials · · · · · · · · · SMPS Back Light Inverter Charger Apr. 2007 Samples Data Sheet Reliability Report ESD Report Application Notes Demo Board BCD Semiconductor Manufacturing Limited Product Brief PULSE-WIDTH-MODULATION CONTROL CIRCUITS AZ7500B/C AZ7500B/C Pin Configuration SOIC-16/DIP-16 SOIC-16/DIP-16 1IN + 1 16 2IN + 1IN - 2 15 2IN - FEEDBACK 3 14 REF DTC 4 13 OUTPUT CTRL CT 5 12 VCC RT 6 11 C2 GND 7 10 E2 C1 8 9 E1 Ordering Information Package Temperature Range Part Number Tin Lead Marking ID Lead Free Tin Lead Lead Free Packing Type AZ7500BM AZ7500BM AZ7500BM AZ7500BM AZ7500BM-E1 AZ7500BM-E1 Tube AZ7500BMTR AZ7500BMTR SOIC-16 SOIC-16 AZ7500BM-E1 AZ7500BM-E1 AZ7500BMTR-E1 AZ7500BMTR-E1 AZ7500BM AZ7500BM AZ7500BM-E1 AZ7500BM-E1 Tape & Reel DIP-16 DIP-16 AZ7500CM AZ7500CM AZ7500CM-E1 AZ7500CM-E1 AZ7500CM AZ7500CM AZ7500CM-E1 AZ7500CM-E1 Tube AZ7500CMTR AZ7500CMTR AZ7500CMTR-E1 AZ7500CMTR-E1 AZ7500CM AZ7500CM AZ7500CM-E1 AZ7500CM-E1 Tape & Reel AZ7500BP AZ7500BP AZ7500BP-E1 AZ7500BP-E1 AZ7500BP AZ7500BP AZ7500BP-E1 AZ7500BP-E1 Tube AZ7500CP AZ7500CP -40 to 85oC AZ7500CP-E1 AZ7500CP-E1 AZ7500CP AZ7500CP AZ7500CP-E1 AZ7500CP-E1 Tube Detailed information please refer to the relevant datasheet. Sales Office: USA 30920 Huntwood Ave. Hayward, CA 94544, USA Tel : +1-510-324-2988 Fax : +1-510-324-2788 Shanghai 8F, B Zone, 900 Yi Shan Road, Shanghai 200233, China Tel : 86-21-6495 9539 Fax : 86-21-6485 9673 Taiwan 4F, 298-1 Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel : 886-2-2656-2808 Fax : 886-2-2656-2806 Shenzhen Room E, 5F, Noble Center, No.1006, 3rd Fuzhong Road, Futian District, Shenzhen 518026, China Tel : 86-755-8826 7951 Fax : 86-755-8826 7865 Apr. 2007 BCD Semiconductor Manufacturing Limited