Union Semiconductor International Limited UM1450S-33
Normaler Preis
$2.64
Normaler Preis
$0.66
Verkaufspreis
$2.64
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.64 | $2.64 |
| 15+ | $0.61 | $9.15 |
| 25+ | $0.59 | $14.75 |
| 50+ | $0.56 | $28.00 |
| 100+ | $0.50 | $50.00 |
| N+ | $0.10 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Union Semiconductor International Limited |
| Product Series | UM1450 |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.3V @ 150mA |
| Current - Output | 250mA |
| Current - Quiescent (Iq) | 5 µA |
| Current - Supply (Max) | - |
| PSRR | 40dB (100Hz) |
| Control Features | Enable |
| Protection Features | - |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 |
| ROHS |  |
The UM1450S-33 is a fixed 3.3V low dropout regulator delivering 250mA. Its 5µA quiescent current is ideal for always-on battery applications. The 0.3V dropout at 150mA ensures efficient use of input voltage. The SOT-23-3 package offers a minimal footprint for compact designs.
- Ultra-Low Power: 5µA quiescent current for extended battery life.
- Low Dropout: 0.3V at 150mA maximizes efficiency.
- Minimal Footprint: SOT-23-3 for space-constrained PCBs.
- Fixed 3.3V: Common logic voltage, no external resistors needed.
Wireless Sensor Nodes
3.3V output with 5µA quiescent current is perfect for battery-powered sensors in smart agriculture.
Portable Audio Players
Provides clean 3.3V for audio codecs, with 40dB PSRR reducing power supply noise.
Smart Home Controllers
Compact SOT-23-3 fits in smart thermostats and lighting controllers.
Embedded Systems
Stable 3.3V rail for microcontrollers and peripherals in industrial control.
Medical Wearables
Low dropout ensures consistent operation from coin cells in health monitors.
RF Modules
Regulates 3.3V for Bluetooth and Zigbee modules, minimizing interference.
- Q: What is the output voltage?
- A: The UM1450S-33 provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 250mA.
- Q: What is the input voltage range?
- A: The input voltage is 3.3V (nominal).
- Q: What is the dropout voltage?
- A: Dropout is 0.3V at 150mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 5 µA.
- Q: What package is available?
- A: SOT-23-3 package.
Base Product Number ：
UM1450S
UM1450S-33.pdf
- Q: What is the output voltage?
- A: The UM1450S-33 provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can deliver up to 250mA.
- Q: What is the input voltage range?
- A: The input voltage is 3.3V (nominal).
- Q: What is the dropout voltage?
- A: Dropout is 0.3V at 150mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 5 µA.
- Q: What package is available?
- A: SOT-23-3 package.
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