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參數(shù)資料
| 型號(hào)： | TK61223AQ8GHB |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, QCC8 |
| 封裝： | 4 X 4 MM, HALOGEN AND LEAD FREE, QFN-8 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 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(dòng)數(shù) 最大80燈
- 8 channels
× 10 series
- 8並列
×10個(gè)直列
LED Current Matching:
±1.5% (typ.)
LED電流間精度:
±1.5% typ.
Adjustable LED Current ()
LED電流調(diào)整可能
- Up to 30mA each
- 1チャネルあたり最大30mA
PWM Dimming by External PWM signal
外部入力信號(hào)による
PWM調(diào)光
- 20kHz Max
- 最大20kHz
Adjustable Switching Frequency
外部設(shè)定によるスイッチング周波數(shù)
- 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內(nèi)蔵
Protection
各種保護(hù)機(jī)能
- LED Open/Short Protection
- LEDオープン/ショート保護(hù)
- CH pins Short Protection
- CH端子ショート保護(hù)
- VOUT Short Protection
- VOUTショート保護(hù)
- Over-Current Protection
- 過(guò)電流保護(hù)
- Over-Voltage Protection
- 過(guò)電圧保護(hù)
- Over-Temperature Protection
- 過(guò)熱保護(hù)
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(dòng)作電圧範(fàn)囲
VOP=4.25~25V
Operating Temp. Range TOP=-40 to +105°C
動(dòng)作溫度範(fàn)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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