Asahi Kasei Microdevices/AKM16-UFQFN Exposed PadRoHS
AK7903
IC DC/DC CONVERTER 16QFN
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
16-UFQFN Exposed Pad
Status
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Asahi Kasei Microdevices/AKM |
| Model | AK7903 |
| Package / Case | 16-UFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -30°C ~ 70°C (TA) |
| Topology | Buck |
| Voltage - Input (Min) | 4.1V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 0.2V |
| Current - Output | 400mA |
| Number of Outputs | 1 |
| Supplier Device Package | 16-QFN (3x3) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
AK7903 by Asahi Kasei Microdevices/AKM is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 5.5V, output 0.2V. The 16-UFQFN 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
| Function | Step-Down |
| Topology | Buck |
| Output Type | Adjustable |
| Current - Output | 400mA |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 5.5V |
| Voltage - Input (Min) | 4.1V |
| Voltage - Output (Max) | 3.6V |
| Voltage - Output (Min/Fixed) | 0.2V |
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