STMicroelectronics LDK220C33R
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.71 | $0.71 |
| 15+ | $0.47 | $7.05 |
| 25+ | $0.46 | $11.50 |
| 50+ | $0.43 | $21.50 |
| 100+ | $0.38 | $38.00 |
| N+ | $0.08 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 13.2V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.35V @ 200mA |
| Current - Output | 200mA |
| Current - Quiescent (Iq) | 90 µA |
| Current - Supply (Max) | 100 µA |
| PSRR | 55dB ~ 50dB (120Hz ~ 10kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 5-TSSOP, SC-70-5, SOT-353 |
| Supplier Device Package | SOT-323-5 |
| ROHS |  |
The LDK220C33R from STMicroelectronics is a low-dropout regulator providing a fixed 3.3V output. It supports up to 200mA with a dropout voltage of just 0.35V. The device features a quiescent current of 90 µA and excellent PSRR across a wide frequency range. Its SOT-323-5 package is ideal for space-constrained designs.
- Ultra-Compact: SOT-323-5 package saves PCB space.
- Wide Input Range: 2.5V to 13.2V supports diverse power sources.
- Low Dropout: 0.35V at 200mA maximizes efficiency.
- Broad PSRR: 55dB at 120Hz to 50dB at 10kHz filters noise.
Compact Wearables
The tiny SOT-323-5 package and 200mA capability make it ideal for smartwatches and fitness bands.
Noise-Sensitive Audio
With 55dB PSRR at 120Hz and 50dB at 10kHz, it provides clean power for audio codecs.
Automotive ECUs
Wide input range up to 13.2V allows direct connection to car batteries for sensor modules.
Portable Medical Devices
Low quiescent current of 90 µA extends battery life in hearing aids and insulin pumps.
IoT Edge Nodes
Stable 3.3V rail for wireless MCUs and sensors in smart home devices.
Camera Modules
Provides clean 3.3V for image sensors and signal processors in mobile cameras.
- Q: What is the output voltage of the LDK220C33R?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 200mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V to 13.2V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at 200mA output.
- Q: What is the quiescent current?
- A: The quiescent current is 90 µA.
- Q: What package is available?
- A: It comes in a SOT-323-5 package.
LDK220C33R.pdf
- Q: What is the output voltage of the LDK220C33R?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 200mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V to 13.2V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at 200mA output.
- Q: What is the quiescent current?
- A: The quiescent current is 90 µA.
- Q: What package is available?
- A: It comes in a SOT-323-5 package.
