TLD55421QVXUMA1
DC/DC CONTROLLER

Pmic Led Drivers
48-VFQFN Exposed Pad
Automotive, AEC-Q100, LITIX™
Active
$4.88 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Infineon Technologies |
| Model | TLD55421QVXUMA1 |
| Package / Case | 48-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Topology | Step-Down (Buck), Step-Up (Boost) |
| Voltage - Output | 2V ~ 55V |
| Number of Outputs | 1 |
| Supplier Device Package | PG-VQFN-48-31 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
TLD55421QVXUMA1 by Infineon Technologies 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 2V ~ 55V. The 48-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 | Analog, PWM |
| Topology | Step-Down (Buck), Step-Up (Boost) |
| Frequency | 200kHz ~ 700kHz |
| Applications | Automotive, Lighting |
| Voltage - Output | 2V ~ 55V |
| Number of Outputs | 1 |
| Internal Switch(s) | No |
| Voltage - Supply (Max) | 55V |
| Voltage - Supply (Min) | 4.5V |
| Current - Output / Channel | 90mA |
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