Recherchez avec le numéro de pièce ainsi que le fabricant ou la description
The iW1688 is a high performance power supply controller which uses digital control technology to build sensorless peak current mode PWM flyback power supplies. The device provides high efficiency along with a number of key built-in protection features while minimizing the external component count and bill of material cost. The iW1688 removes the need for seco.
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• Primary-side feedback eliminates opto-isolators and simplifies design Multi-mode operation for highest overall efficiency ±4% typical output voltage regulation No external compensation components required Complies with CEC/EPA no load power consumption and average efficiency regulations Built-in output constant-current control with foldback Low start-up current (8 µA typical) Built-in soft start Built-in short circuit protection AC line under/overvoltage and output overvoltage protection Fixed 40 kHz switching frequency
2.0 Description
The iW1688 is a high performance power.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | iW1680 |
Dialog Semiconductor |
Digital PWM AC/DC Controller |
|
| 2 | IW1689 |
iWatt |
Low-Power Off-line Digital PWM Controller |
|
| 3 | iW1676 |
iWatt |
Low-Power Off-Line Digital Green-Mode PWM Controller |
|
| 4 | iW1676 |
Renesas |
PWM Controller |
|
| 5 | IW1677 |
Dialog Semiconductor |
Low-Power Off-Line Digital Green-Mode PWM Controller |
|
| 6 | IW1678 |
iWatt |
Low-Power Off-line Digital Green-Mode PWM Controller |
|
| 7 | iW1679 |
Dialog Semiconductor |
Off-Line Digital Green-Mode Quasi-Resonant PWM Controller |
|
| 8 | iW1679-50 |
Dialog Semiconductor |
Off-Line Digital Green-Mode Quasi-Resonant PWM Controller |
|
| 9 | IW1690 |
iWatt |
Low-Power Off-line Digital PWM Controller |
|
| 10 | iW1691 |
Dialog Semiconductor |
Digital PWM Current-Mode Controller |
|
| 11 | iW1691 |
Renesas |
Digital PWM Controller |
|
| 12 | iW1691 |
iWatt |
Digital PWM Current-Mode Controller |
|