Diodes Incorporated AP7343D-33FS4-7
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 0.15 | Dhs. 0.15 |
| 15+ | Dhs. 0.14 | Dhs. 2.10 |
| 25+ | Dhs. 0.14 | Dhs. 3.50 |
| 50+ | Dhs. 0.13 | Dhs. 6.50 |
| 100+ | Dhs. 0.11 | Dhs. 11.00 |
| N+ | Dhs. 0.02 | Price Inquiry |
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AP7343D-33FS4-7 Low Dropout Voltage Regulator Overview
The AP7343D-33FS4-7 is a high-performance, low dropout (LDO) voltage regulator manufactured by Diodes Incorporated. This precision voltage regulator delivers a fixed 3.3V output with excellent line and load regulation, making it ideal for battery-powered applications, portable devices, and noise-sensitive analog circuits.
Key Features & Benefits
- Ultra-Low Quiescent Current: Only 60µA typical, extending battery life in portable applications
- Low Dropout Voltage: 0.29V @ 300mA ensures efficient operation even when input voltage is close to output
- Excellent PSRR: 75dB at 1kHz provides superior noise rejection for clean power delivery
- Comprehensive Protection: Built-in over-current, over-temperature, and short-circuit protection safeguards your circuit
- Compact Footprint: X2-DFN1010-4 (Type B) package saves valuable PCB space
- Wide Operating Temperature: -40°C to +85°C for industrial and consumer applications
Applications
- Battery-powered portable devices
- Smartphones and tablets
- Wearable electronics
- IoT sensors and modules
- Audio and RF circuits requiring clean power
- Industrial control systems
- Medical instrumentation
Performance Advantages
The AP7343D-33FS4-7 stands out in the LDO regulator market with its exceptional combination of ultra-low quiescent current and robust output capability. The 60µA quiescent current makes it perfect for always-on battery applications where power efficiency is critical. With a maximum dropout voltage of just 0.29V at full 300mA load, this regulator maintains excellent efficiency even when the input-output voltage differential is minimal.
The device's 75dB power supply rejection ratio at 1kHz effectively filters out input noise, ensuring clean, stable power for sensitive analog circuits, RF modules, and precision sensors. The integrated protection features including over-current, over-temperature, and short-circuit protection provide robust safeguards for your design, reducing the need for external protection components.
Design Considerations
When implementing the AP7343D-33FS4-7 in your circuit design, consider placing input and output capacitors as close as possible to the regulator pins to minimize parasitic inductance and ensure stability. The ultra-small X2-DFN1010-4 package requires careful PCB layout with adequate thermal vias to the ground plane for optimal heat dissipation. The enable pin allows for easy power sequencing and shutdown control, further reducing system power consumption in standby modes.
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| Product attributes | Property Value |
| Manufacturer | Diodes Incorporated |
| Product Series | |
| Packaging | Tape & Reel (TR)|Factory |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.25V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.29V @ 300mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 60 µA |
| Current - Supply (Max) | - |
| PSRR | 75dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 4-XDFN Exposed Pad |
| Supplier Device Package | X2-DFN1010-4 (Type B) |
AP7343D-33FS4-7.pdf