Recherchez avec le numéro de pièce ainsi que le fabricant ou la description
Design goals for a cold cathode fluorescent lamp (CCFL) converter used for a liquid crystal display (LCD) monitor application include small size, high efficiency, and low cost. The UCC2974/UCC3974 CCFL controllers provide the necessary circuit blocks to implement a highly efficient LCD monitor backlight supply in a small 16-pin TSSOP package. The device feat.
D Synchronous or Nonsynchronous Operation D Dual Output and Control Stages D BiCMOS Technology D Accurate Current Control with 2-mA Typical
Supply Current
D Analog or Digital Low-Frequency Dimming
Capability
D Open Lamp Protection with Voltage Clamp D 4.5-V to 25-V Operation D PWM Frequencies Synchronized to External
Resonant Tanks
D TSSOP-16 (PW) Package
TYPICAL APPLICATION
VIN
VIN
BRIGHT SYNC
VIN
UCC3974
1 OUT1
OUT2 16
2 VIN
GND 15
3 BUCK1 BUCK2 14
4 COMP1
CBP 13
5 FB1
COMP2 12
6 RC
FB2 11
7 RD
MODE 10
8 DIM LFDSYNC 9
MIRROR CHANNEL 1
UDG
–01023
APPLICATIONS
D Portable PCs.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | UCC3972 |
Unitrode |
BiCMOS Cold Cathode Fluorescent Lamp Driver Controller |
|
| 2 | UCC3973 |
Unitrode |
BiCMOS Cold Cathode Fluorescent Lamp Driver Controller |
|
| 3 | UCC39002 |
Texas Instruments |
Advanced 8-Pin Load-Share Controller |
|
| 4 | UCC3912 |
Unitrode |
Programmable Hot Swap Power Manager |
|
| 5 | UCC3913 |
Texas Instruments |
Negative Voltage Hot Swap Power Manager |
|
| 6 | UCC3915 |
Unitrode |
15-V Programmable Hot Swap Power Manager |
|
| 7 | UCC3916 |
Unitrode |
SCSI Termpower Manager |
|
| 8 | UCC3918 |
Unitrode |
Low On-Resistance Hot Swap Power Manager |
|
| 9 | UCC3921 |
Unitrode |
Latchable Negative Floating Hot Swap Power Manager |
|
| 10 | UCC3926 |
Unitrode |
+-20A Integrated Current Sensor |
|
| 11 | UCC3941-3 |
Unitrode |
(UCCx941-x) 1V Synchronous Boost Converter |
|
| 12 | UCC3941-5 |
Unitrode |
(UCCx941-x) 1V Synchronous Boost Converter |
|