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參數(shù)資料
| 型號： | TK61224BQ5GHB |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, QCC32 |
| 封裝： | HALOGEN AND LEAD FREE, HQFN-32 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 280K |
| 代理商： | TK61224BQ5GHB |
Page 142
2010 AUTUMN
TK61224B
DCDC Converter, 6 string circuits, Step-up, Inductive
DCDCコンバータ定電流6ポート昇圧インダクティブ
Feature
Capable of driving 4 to 6 strings
最大
10個の白色LEDを4~6列駆動可能
of 10 WLEDs in series
Internal Switching FET
スイッチング
MOS Tr.內蔵
Internal six Current Stabilizers
6個のLED電流スタビライザ內蔵
(Each up to 10 LEDs at 25mA)
Internal LDO (Single Input-Voltage)
內部回路用
LDO裝備
調整可能なソフトスタート時間
SMBusインターフェイス
Brightness control
輝度調整
- SMBus mode by SMBus Signal input
- SMBus入力によるSMBusモード
- PWM mode by duty of PWM waveform
- PWM入力によるPWMモード
- DPST mode on the basis of SMBus
- SMBusベースのDPSTモード
- 8 bit accuracy
- いずれも8ビット分解能
Adjustable Oscillation Frequency
発振回路は、最高
2MHzまで設定可能
- Max 2.0MHz
Protection
保護機能
- Over-voltage protection
- 過電圧保護
- Over-current protection
- 過電流保護
- UVLO
- LDO低電圧保護
- Thermal protection
- 過熱保護
Low Profile Package with Heat-sink
厚さ
1.0mm以下ノンリード小型パッケージ
Operating Voltage Range VOP=4.25 to 25V
動作電圧範囲
VOP=4.25~25V
Operating Temp. Range TOP=-40 to +85°C
動作溫度範囲
TOP=-40~+85°C
Power Dissipation PD=2500mW
許容消費電力
PD=2500mW
Characteristics
Part Name
Number of
Current Stabilizer
fOSC
Number of LED in
serial connection
ILED Max
TK61224B
6ch
200kHz to 1.8MHz
10 LED
25mA/Ch
Ordering Guide, Marking
Part Name
Ordering Name
Marking
Description
Order
Size
TK61224B
TK61224BQ5GHB
X
TOKO
LOT
61224
TK61224B: Part Name
Q5: HQFN5050-32 Package
GH: PB-Free&Halogen Free
B: Tape&Reel, Back
1,000
pcs.
/Reel
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