STMicroelectronics LDK220M33R
| 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 | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |  |
The LDK220M33R from STMicroelectronics is a fixed 3.3V LDO linear regulator delivering up to 200mA. Its low 90 µA quiescent current and 0.35V dropout at full load make it suitable for battery-operated and portable equipment. The SOT-23-5 package supports compact PCB layouts.
- Extended Battery Life: Ultra-low 90 µA quiescent current reduces standby drain in portable devices.
- High Efficiency at Low Dropout: 0.35V dropout at 200mA minimizes power loss, improving thermal performance.
- Compact Footprint: SOT-23-5 package saves board space for dense designs.
- Stable Output: PSRR of 55dB at 120Hz ensures clean power for sensitive analog circuits.
Battery-Powered IoT Devices
The low 90 µA quiescent current extends battery life in always-on IoT sensors and wireless modules, where standby power dominates.
Portable Medical Monitors
With a stable 3.3V rail and 200mA capability, it powers microcontrollers and analog front-ends in compact diagnostic tools.
Wearable Electronics
The SOT-23-5 package and low dropout of 0.35V make it ideal for space-constrained wearables operating from single-cell Li-ion batteries.
Industrial Sensor Interfaces
Its 55dB to 50dB PSRR (120Hz to 10kHz) filters supply noise, ensuring accurate readings in industrial automation.
Automotive Body Electronics
When used with a pre-regulator, it provides a clean 3.3V rail for infotainment controllers and body control modules.
- Q: What is the output voltage of the LDK220M33R?
- A: The LDK220M33R provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 200mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at 200mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 90 µA.
- Q: What package is available?
- A: It is available in the SOT-23-5 package.
LDK220M33R.pdf
- Q: What is the output voltage of the LDK220M33R?
- A: The LDK220M33R provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 200mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at 200mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 90 µA.
- Q: What package is available?
- A: It is available in the SOT-23-5 package.
