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This primary controller I.C., developed in BCD60II technology, has been designed to implement off BLOCK DIAGRAM MULTIPOWER BCD TECHNOLOGY DIP16 SO16 ORDERING NUMBERS: L5991/L5991A (DIP16) L5991D/L5991AD (SO16) line or DC-DC power supply applications using a fixed frequency current mode control. Based on a standard current mode PWM controller this device .
such as programmable soft start, IN/OUT synchronization, disable (to be used for over voltage protection and for power management), precise maximum Duty Cycle Control, 100ns leading edge blanking on current sense, pulse by pulse current limit, overcurrent protection with soft start intervention, and Standby function for oscillator frequency reduction when the converter is lightly loaded. 2 RCT + 3 DC - 14 DIS - DIS + 2.5V ISEN SS OVER CURRENT 13 + 1.2V 7 1V SYNC 1 TIMING T DC-LIM 15 VCC 8 25V + 15V/10V - Vref PWM UVLO VREF 4 9 VC BLANKING PWM FAULT SOFT-START 2R R 12 SGND .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | DAP005 |
STMicroelectronics |
Advanced transition-mode PFC controller |
|
| 2 | DAP006 |
ON Semiconductor |
PWM Controller |
|
| 3 | DAP008 |
ON Semiconductor |
PWM Current-Mode Controller |
|
| 4 | DAP00xx |
Aeroflex |
Attenuators / Digital High Reliablity |
|
| 5 | DAP011 |
ON Semiconductor |
PWM Controller |
|
| 6 | DAP011C |
ON Semiconductor |
PWM Controller |
|
| 7 | DAP018A |
ON Semiconductor |
PWM Current-Mode Controller |
|
| 8 | DAP018B |
ON Semiconductor |
PWM Current-Mode Controller |
|
| 9 | DAP018C |
ON Semiconductor |
PWM Current-Mode Controller |
|
| 10 | DAP018D |
ON Semiconductor |
PWM Current-Mode Controller |
|
| 11 | DAP018F |
ON Semiconductor |
PWM Current-Mode Controller |
|
| 12 | DAP07 |
Morethanall |
CONNECTOR |
|