BD9409F
升壓型單通道 針對大螢幕的白色LED驅動器
BD9409F
升壓型單通道 針對大螢幕的白色LED驅動器
BD9409F是白色LED用高效率驅動器,適用於大螢幕液晶驅動器。BD9409F內建了可向光源(LED串聯連接的陣列)提供適當電壓的DC/DC轉換器。BD9409F中內建了應對異常狀態的幾種保護功能。過電壓保護(OVP: over voltage protection), 過電流檢測(OCP: over current limit protection of DC/DC), LED 過電流保護(LEDOCP: LED over current protection), 過升壓保護(FBMAX: over boost protection)等。因此,可在更寬的輸出電壓條件及負載條件下使用。
Product Detail
規格:
Topology
Boost
Vin(Min.)[V]
11.5
Vin(Max.)[V]
35
Number of Outputs
1
Switching Frequency (Max.)[MHz]
1
Dimming
DC / PWM
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size [mm]
10x6.2 (t=1.71)
功能:
- DCDC converter with current mode
- LED protection circuit
(Over boost protection(FB_H), LED OCP protection) - Over-voltage protection (OVP) for the output voltage Vout
- Adjustable soft start
- Adjustable oscillation frequency of DCDC
- UVLO detection for the input voltage of the power stage
- PWM Dimming and MS Dimming.