The UC3572 is a negative output flyback pulse width modulator which converts a positive input voltage to a regulated negative output voltage. The chip is optimized for use in a single inductor negative flyback switching converter employing an external PMOS switch. The block diagram consists of a precision reference, an error amplifier configured for voltage .
• Simple Single Inductor Flyback PWM
for Negative Voltage Generation
• Drives External PMOS Switch
• Contains UVLO Circuit
• Includes Pulse-by-Pulse Current Limit
• Low 50µA Sleep Mode Current
DESCRIPTION
The UC3572 is a negative output flyback pulse width modulator which converts a positive input voltage to a regulated negative output voltage. The chip is optimized for use in a single inductor negative flyback switching converter employing an external PMOS switch. The block diagram consists of a precision reference, an error amplifier configured for voltage mode operation, an oscillator, a P.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | UC2573 |
Unitrode |
Buck Pulse Width Modulator Stepdown Voltage Regulator | |
2 | UC2578 |
Unitrode |
Buck Pulse Width Modulator Stepdown Voltage Regulator | |
3 | UC250-F77-IU-IO-V31 |
Pepperl+Fuchs |
Ultrasonic sensor | |
4 | UC2524 |
Texas Instruments |
ADVANCED REGULATING PULSE WIDTH MODULATORS | |
5 | UC2524A |
Unitrode |
ADVANCED REGULATING PULSE WIDTH MODULATORS | |
6 | UC2525A |
Texas Instruments |
Regulating Pulse Width Modulators | |
7 | UC2525B |
Unitrode |
Regulating Pulse Width Modulators | |
8 | UC2526 |
Unitrode |
Regulating Pulse Width Modulator | |
9 | UC2526A |
Unitrode |
Regulating Pulse Width Modulator | |
10 | UC2527A |
Texas Instruments |
Regulating Pulse Width Modulators | |
11 | UC2527B |
Unitrode |
Regulating Pulse Width Modulators | |
12 | UC2543 |
Texas Instruments |
Power Supply Supervisory Circuit |