圖片僅供參考
規格
| 屬性 | 價值 |
| Manufacturer | Shanghai Mingda Microelectronics |
| Package | SOT-89-3 |
| Operating Temperature | -40℃~+85℃ |
| Voltage - Supply | 15V |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Output Current | 1000mA |
| Features | Overcurrent Protection |
| Output Configuration | Positive electrode |
概述
Equivalent
Equivalent products to the MD7218A33PA1 chip may include:
- LM1117-3.3 (Linear Tech)
- AMS1117-3.3 (AMS)
- AP2112K-3.3 (Diodes Inc.)
- XC6206P332MR (Torex)
These are 3.3V LDO regulators with similar specs (e.g., 800mA–1A output, SOT-89/SOT-223 packages). Verify pinout, dropout voltage, and load current for exact compatibility. Always check datasheets before substitution.
- LM1117-3.3 (Linear Tech)
- AMS1117-3.3 (AMS)
- AP2112K-3.3 (Diodes Inc.)
- XC6206P332MR (Torex)
These are 3.3V LDO regulators with similar specs (e.g., 800mA–1A output, SOT-89/SOT-223 packages). Verify pinout, dropout voltage, and load current for exact compatibility. Always check datasheets before substitution.
Features
The MD7218A33PA1 is a high-performance, low-dropout (LDO) voltage regulator with the following key features:
- Output Voltage: 3.3V (fixed)
- Input Voltage Range: 2.5V to 6.0V
- Low Dropout Voltage: ~200mV at 300mA
- High Output Current: Up to 300mA
- Low Quiescent Current: ~50µA (typical)
- High PSRR: ~70dB at 1kHz (improves noise rejection)
- Thermal & Short-Circuit Protection: Ensures reliability
- Stable with Low-ESR Ceramic Capacitors: Reduces external component count
- Compact Package: SOT-23-5 (space-saving)
Ideal for battery-powered and noise-sensitive applications like IoT, portable devices, and embedded systems.
- Output Voltage: 3.3V (fixed)
- Input Voltage Range: 2.5V to 6.0V
- Low Dropout Voltage: ~200mV at 300mA
- High Output Current: Up to 300mA
- Low Quiescent Current: ~50µA (typical)
- High PSRR: ~70dB at 1kHz (improves noise rejection)
- Thermal & Short-Circuit Protection: Ensures reliability
- Stable with Low-ESR Ceramic Capacitors: Reduces external component count
- Compact Package: SOT-23-5 (space-saving)
Ideal for battery-powered and noise-sensitive applications like IoT, portable devices, and embedded systems.
Pinout
The MD7218A33PA1 is a 33-pin power management IC (PMIC) designed for applications requiring multiple voltage regulation. Key functions include:
- Multiple voltage outputs (LDOs and DC-DC converters)
- Power sequencing for controlled startup/shutdown
- Low-power modes for efficiency
- Protection features (overcurrent, thermal shutdown)
Commonly used in embedded systems, IoT devices, and portable electronics. For exact specifications, refer to the datasheet.
- Multiple voltage outputs (LDOs and DC-DC converters)
- Power sequencing for controlled startup/shutdown
- Low-power modes for efficiency
- Protection features (overcurrent, thermal shutdown)
Commonly used in embedded systems, IoT devices, and portable electronics. For exact specifications, refer to the datasheet.
Package
The MD7218A33PA1 is a surface-mount device (SMD) package, likely a QFN (Quad Flat No-lead) or similar compact type, designed for high-density PCB applications. Exact dimensions and pin count may vary—check the datasheet for specifics.
