STMicroelectronics LDK220M35R
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.88 | $0.88 |
| 15+ | $0.20 | $3.00 |
| 25+ | $0.20 | $5.00 |
| 50+ | $0.19 | $9.50 |
| 100+ | $0.17 | $17.00 |
| N+ | $0.03 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 13.2V |
| Voltage - Output (Min/Fixed) | 3.5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | - |
| Current - Output | 200mA |
| Current - Quiescent (Iq) | 90 µA |
| Current - Supply (Max) | 100 µA |
| PSRR | 55dB ~ 50dB (120Hz ~ 10kHz) |
| Control Features | Current Limit, Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |
The STMicroelectronics LDK220M35R is a 200mA LDO regulator offering a fixed 3.5V output. With a low quiescent current of 90µA and PSRR of 55dB, it is designed for power-sensitive portable applications. The SOT-23-5 package ensures a small footprint for space-constrained designs.
- Ultra-Low Quiescent Current: 90µA maximizes battery life in standby mode.
- Good Ripple Rejection: 55dB PSRR at 120Hz-10kHz ensures clean output.
- Compact Package: SOT-23-5 ideal for miniaturized electronics.
- Stable 3.5V Output: Suitable for precision analog circuits.
Battery-Powered Instruments
Low 90µA quiescent current extends battery life in handheld meters and sensors.
Portable Audio Players
Provides clean 3.5V rail for audio DACs and amplifiers, with PSRR up to 55dB.
Wireless Modules
Stable output for Bluetooth and Zigbee modules, reducing noise interference.
Wearable Health Monitors
Compact SOT-23-5 package fits small PCBs in fitness trackers and smartwatches.
Embedded Systems
Powers microcontrollers and peripherals in IoT devices with low power consumption.
Photovoltaic Sensors
Regulates power for light sensors in smart lighting systems.
- Q: What is the output voltage?
- A: The fixed output voltage is 3.5V.
- 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 is 3.5V (typical).
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data.
- Q: What is the quiescent current?
- A: Quiescent current is 90µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
- Q: What is the output voltage?
- A: The fixed output voltage is 3.5V.
- 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 is 3.5V (typical).
- Q: What is the dropout voltage?
- A: Dropout voltage is not specified in the provided data.
- Q: What is the quiescent current?
- A: Quiescent current is 90µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.

LDK220M35R.pdf