4ch升降壓型 白色LED驅動器 - BD81A44MUF-M

BD81A44MUF-M是35V高耐壓的白色LED驅動器。1chip中內建4ch恒電流輸出,高達120mA/ch,最適合高亮度LED驅動。內建對應升降壓電流模式的DC/DC控制器,對於電源電壓變動,可實現穩定的動作。可透過PWM輸入進行調光控制(10,000:1)。

料號 | BD81A44MUF-ME2
狀態 | 開發中
封裝 | VQFN28FV5050
單位數量 | 2500
最小包裝數量 | 2500
包裝形式 | Taping
RoHS | Yes
Functional Safety | FS supportive

規格:

Common Standard

AEC-Q100 (Automotive Grade)

Topology

Buck-Boost

Number of Outputs

4

Vin(Min.)[V]

4.5

Vin(Max.)[V]

35.0

Output Current(Max.)[mA]

480.0

Vout(Max.)[V]

40.0

Frequency(Max.)[MHz]

2.2

Integrated FET

No

Dimming

PWM

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

功能:

  • Integrated Buck-Boost current mode DC/DC controller
  • Integrated 4ch current driver for LED drive
  • 10,000:1 PWM dimming @100Hz
  • External switching frequency synchronization
  • Built-In protection function (UVLO, OVP, OCP, SCP)
  • LED abnormality detection function (Open/Short)
  • Integrated VOUT discharge function (Buck-Boost or Buck structure limitation)
  • AEC-Q100 Qualified (Grade 1)