REG103UA-3
IC REG LINEAR 3V 500MA 8SOIC
Pmic Voltage Regulators Linear
8-SOIC (0.154", 3.90mm Width)
Obsolete
$2.68 / unit (market reference)
MOQ: 112 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | REG103UA-3 |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Input (Max) | 15V |
| Voltage - Output | 3V |
| Current - Output | 500mA |
| Supplier Device Package | 8-SOIC |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
REG103UA-3 by Rochester Electronics, LLC is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 15V, output 3V. The 8-SOIC (0.154", 3.90mm Width) 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.
📖 Technical Guides for REG103UA-3
ESP32 vs STM32: Which MCU is Right for Your Project?
Components Guide
Chinese MCU Alternatives: GD32, AT32, APM32 & More — 40-80% Cost Savings vs ST/NXP/Microchip
Components Guide
Op-Amp Selection Guide: 8 Most Popular Types and When to Use Each
Components Guide
LM358 Alternatives & Replacements: Complete Pin-to-Pin Guide
Components Guide
Alternatives & Replacements
View All →TLE42994GXUMA3
IC REG LINEAR 5V 150MA DSO8
NCP4672DR2G
IC REG LINEAR 3.5V/1.8V 8SOIC
UA78L12ACDR
IC REG LINEAR 12V 100MA 8SOIC
TDA3664AT/N1,118
IC REG LINEAR 5V 100MA 8SO
MC78L05ACDG
IC REG LINEAR 5V 100MA 8SOIC
NCV2931AD-5.0R2G
IC REG LINEAR 5V 100MA 8SOIC
All Technical Specifications
| PSRR | 65dB (120Hz) |
| Output Type | Fixed |
| Control Features | Enable |
| Current - Output | 500mA |
| Protection Features | Over Current, Over Temperature |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 15V |
| Voltage Dropout (Max) | 0.28V @ 500mA |
| Current - Supply (Max) | 1.3 mA |
| Current - Quiescent (Iq) | 0.7 mA |
| Voltage - Output (Min/Fixed) | 3V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.