Union Semiconductor (HK) Limited6-DFN Exposed PadRoHS
UM1550DA
5V Input Ultra Low IQ LDO
Category
Subcategory
Pmic Voltage Regulators Linear
Package
6-DFN Exposed Pad
Status
Active
$0.59 / unit (market reference)
MOQ: 2 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Union Semiconductor (HK) Limited |
| Model | UM1550DA |
| Package / Case | 6-DFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Voltage - Input (Max) | 8V |
| Voltage - Output | 1.2V |
| Supplier Device Package | 6-DFN (2x2) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
UM1550DA by Union Semiconductor (HK) Limited is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 8V, output 1.2V. The 6-DFN 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
| PSRR | 42dB (1kHz) |
| Voltage - Input (Max) | 8V |
| Voltage Dropout (Max) | 0.33V @ 200mA |
| Voltage - Output (Max) | 5V |
| Voltage - Output (Min/Fixed) | 1.2V |
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