BD9483F
大型LCD面板用白光LED驅動器(DCDC轉換器型)

BD9483F為大型LCD面板用高效率白光LED驅動器。此IC內建了用於LED陣列光源的2ch升壓型DCDC轉換器。BD9483F針對異常狀態配備了過電壓保護(​​OVP) 、Max Duty保護、DCDC的過電流保護(OCP)等各種保護功能。因此,BD9483F可在大範圍輸出電壓下進行自動防故障設計。

Data Sheet 購買 *
* 本產品是標準級的產品。
本產品不建議使用的車載設備。

Product Detail

 
料號 | BD9483F-GE2
狀態 | 推薦品
封裝 | SOP24
單位數量 | 2000
最小包裝數量 | 2000
包裝形式 | Taping
RoHS | Yes

規格:

Topology

Boost

Number of Outputs

2

Vin(Min.)[V]

11.0

Vin(Max.)[V]

35.0

Frequency(Max.)[MHz]

0.15

Integrated FET

No

Dimming

PWM

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

功能:

・2ch boost DCDC converter with current mode
・LED protection circuit (Max duty protection, LED OCP protection)
・Over-voltage protection (OVP) for the output voltage Vout
・Adjustable soft start
・The wide range of analog dimming 0.2V-3.0V
・2ch independent PWM dimming input
・The UVLO detection for the input voltage of the power stage
・FAIL logic output

Design Resources

 

Documents

White Paper

  • Cutting-Edge Web Simulation Tool “ROHM Solution Simulator” Capable of Complete Circuit Verification of Power Devices and Driver ICs
  • ROHM Automotive Lighting Solutions

Technical Articles

Schematic Design & Verification

  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • Thermal Resistance

Packaging & Quality

Package Information

  • Package Information
  • Anti-Whisker formation

Manufacturing Data

  • Factory Information

Environmental Data

  • UL94 Flame Classifications of Mold Compound
  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)