Overview
The MAX173CNG is a power management integrated circuit (PMIC) designed by Analog Devices Inc./Maxim Integrated. This component is part of the MAX17xxx family, which is known for its comprehensive power management solutions. The MAX173CNG is tailored for applications requiring multiple power rails, high efficiency, and compact design.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.3V to 5.5V |
| Switching Frequency | 1.2MHz |
| Output Current (LDO) | Up to 350mA |
| Output Voltage Accuracy (LDO) | ±1.0% |
| Operational Amplifier Slew Rate | 50V/μs |
| Operational Amplifier Bandwidth | 12MHz |
| Scan Driver Output Swing | Up to 40V |
| Package Type | 32-pin, 5mm x 5mm Thin QFN |
Key Features
- High-performance step-up regulator with 1.2MHz switching frequency
- Integrated 350mA low-dropout linear regulator (LDO) with high accuracy
- High-current operational amplifier for driving LCD backplane (VCOM)
- High-voltage, level-shifting scan driver for TFT panel gate drivers
- Adjustable cycle-by-cycle current limit and soft-start
- Thermal-overload protection
- Compact 32-pin, 5mm x 5mm Thin QFN package
Applications
- Notebook computer displays
- Thin-film transistor (TFT) liquid-crystal display (LCD) applications
- Other portable electronic devices requiring multiple power rails and high efficiency
Q & A
- What is the input voltage range of the MAX173CNG?
The input voltage range is 2.3V to 5.5V. - What is the switching frequency of the step-up regulator?
The switching frequency is 1.2MHz. - What is the maximum output current of the LDO regulator?
The maximum output current of the LDO regulator is up to 350mA. - What is the output voltage accuracy of the LDO regulator?
The output voltage accuracy of the LDO regulator is ±1.0%. - What is the slew rate of the operational amplifier?
The slew rate of the operational amplifier is 50V/μs. - What is the bandwidth of the operational amplifier?
The bandwidth of the operational amplifier is 12MHz. - What is the maximum output swing of the scan driver?
The maximum output swing of the scan driver is up to 40V. - What type of package does the MAX173CNG come in?
The MAX173CNG comes in a 32-pin, 5mm x 5mm Thin QFN package. - What are the primary applications of the MAX173CNG?
The primary applications include notebook computer displays and other TFT LCD applications. - Does the MAX173CNG have thermal-overload protection?
Yes, the MAX173CNG includes thermal-overload protection.
