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The Electronic Ballast controller chip has been designed in a bipolar process. It is housed in a 20-lead dual-in-line plastic package. The control chip contains the equivalent of two (2) switched mode power supply control circuits. The first SMPS controller is a DC-to-DC converter operating in the discontinuous current conduction mode. It is used as a PFC in.
• Complete PFC correction and dimming ballast control on one IC
• Low line current distortion PFC
ORDERING INFORMATION
DESCRIPTION 20-Pin Plastic Dual-In-Line Package (DIP)
• Selectable variable frequency modes
• Programmable pre-hit and ignition
• Lamp over-voltage protection
• PFC over-voltage protection for preventing over-shooting due to
load removal
TEMPERATURE RANGE 0 to +85°C
ORDER CODE NE5565N
DWG # SOT146-1
BLOCK DIAGRAM
VLAMP RXCX 6 5 4 VCC CRECT LI2 LI 7 8 9 3 DMAX CP CT RT
CSI
10
2 1
GND
11 12 20 DCOUT
OUTP
VCC
13
14 OUTH
15 IPRIM
16 VREF
17 18 PF OV
19 DC
SL00.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | NE556 |
Philipss |
Dual timer |
|
| 2 | NE556 |
ST Microelectronics |
General-purpose dual bipolar timer |
|
| 3 | NE556 |
Fairchild |
Dual Timer |
|
| 4 | NE556 |
Texas Instruments |
DUAL PRECISION TIMERS |
|
| 5 | NE556-1 |
Philipss |
Dual timer |
|
| 6 | NE5560 |
Philipss |
Switched-mode power supply control circuit |
|
| 7 | NE5561 |
Philipss |
Switched-mode power supply control circuit |
|
| 8 | NE5562 |
Philipss |
Switched-mode power supply control circuit |
|
| 9 | NE5568 |
Philipss |
Switched-mode power supply controller |
|
| 10 | NE556D |
Philipss |
Dual timer |
|
| 11 | NE556D |
ST Microelectronics |
General-purpose dual bipolar timer |
|
| 12 | NE556D |
Fairchild |
Dual Timer |
|