AZ494A/C voltage mode pulse width modulation switching regulator contr
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Product Brief PULSE-WIDTH-MODULATION CONTROL CIRCUITS Description
AZ494A/C voltage mode pulse width modulation switching regulator control circuit designed primarily power supply control. AZ494A/C consists reference voltage circuit, error amplifiers, on-chip adjustable oscillator, dead-time control (DTC) comparator, pulse-steering control flip-flop, output control circuit. precision voltage reference (VREF) improved through trimming this provides better output voltage regulation. AZ494A/C provides push-pull single-ended output operation, which selected through output control.
AZ494A/C
AZ494A Reference Voltage AZ494C Reference Voltage Tolerance Frequency Change with Temperature (Max) Open Loop Voltage Gain (db) Unity-Gain Bandwidth (KHz) Output Saturation Voltage (Common Emitter) Rise Time (ns) DIP-16 Package SOIC-16 4.95
Features
Stable 4.95V/5V Reference Voltage Trimmed ±1.0% Accuracy Uncommitted Output 200mA Sink Source Current Single-End Push-Pull Operation Selected Output Control Internal Circuitry Prohibits Double Pulse Either Output Complete Control Circuit with Variable Duty Cycle On-Chip Oscillator With Master Slave Operation
Fall Time (ns) Supply Voltage
Benefits
Higher Power Glitch Rejection Very competitive price
Applications
SMPS Back Light Inverter Charger
Additional Available Materials
Samples Data Sheet Reliability Report Report Application Notes Demo Board
Apr. 2006
Semiconductor Manufacturing Limited
Product Brief PULSE-WIDTH-MODULATION CONTROL CIRCUITS Configuration
SOIC-16/DIP-16
FEEDBACK OUTPUT CTRL
AZ494A/C
Ordering Information
Package Temperature Range Part Number Lead AZ494AM SOIC-16 85oC AZ494AMTR AZ494CM AZ494CMTR AZ494AP AZ494CP Lead Free AZ494AM-E1 AZ494AMTR-E1 AZ494CM-E1 AZ494CMTR-E1 AZ494AP-E1 AZ494CP-E1 Lead AZ494AM AZ494AM AZ494CM AZ494CM AZ494AP AZ494CP Marking Lead Free AZ494AM-E1 AZ494AM-E1 AZ494CM-E1 AZ494CM-E1 AZ494AP-E1 AZ494CP-E1 Packing Type Tube Tape Reel Tube Tape Reel Tube Tube
DIP-16
Detailed information please refer relevant datasheet.
3170 Cruz Blvd, Suite Santa Clara, 95054-2411, U.S.A +1-408-988 6388 +1-408-988 6386 Taiwan 298-1 Guang Road, Nei-Hu District, Taipei, Taiwan 886-2-2656-2808 886-2-2656-2806
Shanghai Zone, Shan Road, Shanghai 200233, China 86-21-6495 9539 86-21-6485 9673 Shenzhen Room 27B, Tower 2070, Shennanzhong Road, Shenzhen 518031, China 86-755-8368 3987 86-755-8368 3166
Apr. 2006
Semiconductor Manufacturing Limited
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