BD81A34MUV-ME2
IC LED DRIVER
Pmic Led Drivers
28-VFQFN Exposed Pad
Active
$1.24 / unit (market reference)
MOQ: 2500 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rohm Semiconductor |
| Model | BD81A34MUV-ME2 |
| Package / Case | 28-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Topology | Step-Down (Buck), Step-Up (Boost) |
| Voltage - Output | 40V |
| Number of Outputs | 4 |
| Supplier Device Package | VQFN28SV5050 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
BD81A34MUV-ME2 by Rohm Semiconductor is a Step-Down (Buck), Step-Up (Boost) IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output 40V. The 28-VFQFN Exposed Pad package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Type | DC DC Controller |
| Dimming | PWM |
| Topology | Step-Down (Buck), Step-Up (Boost) |
| Frequency | 200kHz ~ 2.2MHz |
| Applications | Backlight |
| Voltage - Output | 40V |
| Number of Outputs | 4 |
| Internal Switch(s) | No |
| Voltage - Supply (Max) | 35V |
| Voltage - Supply (Min) | 4.5V |
| Current - Output / Channel | 120mA |
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