STMicroelectronics LDK220M25R
| 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) | 2.5V |
| 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 LDK220M25R is a low-dropout linear regulator from STMicroelectronics, providing a fixed 2.5V output with up to 200mA of current. Its low 90µA quiescent current and PSRR of 55dB to 50dB across 120Hz to 10kHz make it suitable for battery-powered and noise-sensitive applications. The SOT-23-5 package offers a compact solution for portable electronics.
- Efficient Power Conversion: Low dropout of 0.35V at 200mA maximizes efficiency from battery sources.
- Stable Output: PSRR of 55dB at 120Hz and 50dB at 10kHz ensures clean power for analog circuits.
- Versatile Package: SOT-23-5 is widely used and easy to integrate into existing designs.
- Reliable Protection: Internal current limiting and thermal shutdown safeguard the regulator and load.
Low-Power Microcontroller Supply
The LDK220M25R provides a clean 2.5V rail for low-power MCUs in battery-operated devices, with 200mA capacity sufficient for most ARM Cortex-M0+ and MSP430 designs.
Wireless Communication Modules
Bluetooth Low Energy and Zigbee modules often require 2.5V. This LDO's 55-50dB PSRR ensures stable operation during RF transmission bursts.
Portable Instrumentation
Handheld multimeters and calibrators benefit from the low dropout and accurate 2.5V reference, enabling precise analog measurements in field use.
Memory and Logic Circuits
SRAM and low-voltage logic ICs operating at 2.5V can be powered reliably, with the SOT-23-5 package fitting into dense digital boards.
Energy Harvesting Systems
In solar or vibration-powered sensors, the 90µA quiescent current is acceptable for intermittent operation, and the low dropout maximizes efficiency from low-voltage sources.
- Q: What is the output voltage of the LDK220M25R?
- A: The fixed output voltage is 2.5V.
- 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 2.5V to 5.5V (typical for this series).
- Q: What is the dropout voltage?
- A: Dropout is typically 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 comes in a SOT-23-5 package.
LDK220M25R.pdf
- Q: What is the output voltage of the LDK220M25R?
- A: The fixed output voltage is 2.5V.
- 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 2.5V to 5.5V (typical for this series).
- Q: What is the dropout voltage?
- A: Dropout is typically 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 comes in a SOT-23-5 package.
