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参数资料
| 型号： | TK61223AQ8GHB |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, QCC8 |
| 封装： | 4 X 4 MM, HALOGEN AND LEAD FREE, QFN-8 |
| 文件页数： | 1/2页 |
| 文件大小： | 316K |
| 代理商： | TK61223AQ8GHB |
Page 140
2010 AUTUMN
TK61223A
DCDC Converter, 8 string circuits, Step-up, Inductive
DCDCコンバータ定電流8ポート昇圧インダクティブ
Feature
Drive Maximally 80 WLEDs
白色
LED駆動数 最大80灯
- 8 channels
× 10 series
- 8並列
×10個直列
LED Current Matching:
±1.5% (typ.)
LED電流間精度:
±1.5% typ.
Adjustable LED Current ()
LED電流調整可能
- Up to 30mA each
- 1チャネルあたり最大30mA
PWM Dimming by External PWM signal
外部入力信号による
PWM調光
- 20kHz Max
- 最大20kHz
Adjustable Switching Frequency
外部設定によるスイッチング周波数
- 2.5MHz Max
- 最大2.5MHz
0.3 Internal Boost FET (45V Max)
45V耐圧の0.3ΩパワーMOS-FET内蔵
Protection
各種保護機能
- LED Open/Short Protection
- LEDオープン/ショート保護
- CH pins Short Protection
- CH端子ショート保護
- VOUT Short Protection
- VOUTショート保護
- Over-Current Protection
- 過電流保護
- Over-Voltage Protection
- 過電圧保護
- Over-Temperature Protection
- 過熱保護
Low Profile Package with Heat Sink
ヒートシンク付 低背パッケージ
Operating Voltage Range VOP=4.25 to 25V
動作電圧範囲
VOP=4.25~25V
Operating Temp. Range TOP=-40 to +105°C
動作温度範囲
TOP=-40~+105°C
Characteristics
Part Name
Number of
Current Stabilizer
fOSC
Number of LED in
serial connection
ILED Max
TK61223A
8ch
200kHz to 2.5MHz
10 LED
30mA/Ch
Ordering Guide, Marking
Part Name
Ordering Name
Marking
Description
Order
Size
TK61223A
TK61223AQ8GHB
TOKO
*****
LOT X
(To Be Determined)
TK61223A: Part Name
Q8: HQFN4040C-24 Package
GH: PB-Free&Halogen Free
B: Tape&Reel, Back
1,000
pcs.
/Reel
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