STMicroelectronics LDK220PU40R
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.76 | $0.76 |
| 15+ | $0.50 | $7.50 |
| 25+ | $0.49 | $12.25 |
| 50+ | $0.46 | $23.00 |
| 100+ | $0.41 | $41.00 |
| N+ | $0.08 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Fixed |
| Voltage - Input (Max) | 13.2V |
| Voltage - Output (Min/Fixed) | 4V |
| 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 | 6-XFDFN |
| Supplier Device Package | 6-DFN (1.2x1.3) |
| ROHS |  |
The STMicroelectronics LDK220PU40R is a fixed-output LDO linear regulator that provides a stable 4V at up to 200mA. It features a low quiescent current of 90 μA and a dropout voltage of 0.35V at full load. Its ultra-compact 6-DFN package makes it an excellent choice for miniaturized, battery-powered electronics requiring clean and efficient power delivery.
- Ultra-Compact Design: The 6-DFN (1.2x1.3mm) package is among the smallest available, ideal for miniaturized devices.
- Low Power Consumption: The 90 μA quiescent current helps extend battery life in portable applications.
- Good Low-Frequency Noise Rejection: PSRR of 55dB at 120Hz effectively filters mains-related noise.
- Stable Output: Provides a reliable 4V supply for a variety of low-power loads.
Compact Portable Devices
The tiny 6-DFN package (1.2x1.3mm) is ideal for space-constrained applications like wireless earbuds and smart cards.
Battery-Powered Peripherals
With a 90 μA quiescent current and 200mA output, it is well-suited for powering Bluetooth modules and small sensors.
Noise-Sensitive Audio Circuits
PSRR of 55dB at 120Hz helps reduce mains hum and low-frequency noise in portable audio devices.
Low-Power IoT Nodes
Provides a stable 4V rail for microcontrollers and RF transceivers in IoT applications, balancing performance and power consumption.
Wearable Technology
The small footprint and low dropout make it suitable for fitness bands and smartwatches, where space and battery life are critical.
Industrial Sensors
Can power 4V-rated sensors and signal conditioning circuits in industrial monitoring systems.
- Q: What is the output voltage of the LDK220PU40R?
- A: This LDO provides a fixed output voltage of 4V.
- Q: What is the maximum output current?
- A: The maximum output current is 200mA.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified in the technical data; refer to the datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at a 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 a compact 6-DFN package (1.2x1.3mm).
LDK220PU40R.pdf
- Q: What is the output voltage of the LDK220PU40R?
- A: This LDO provides a fixed output voltage of 4V.
- Q: What is the maximum output current?
- A: The maximum output current is 200mA.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified in the technical data; refer to the datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.35V at a 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 a compact 6-DFN package (1.2x1.3mm).
