Overview
The MAX1630 series, including the MAX163CCNG, are buck-topology, step-down, switch-mode power-supply controllers designed by Analog Devices Inc./Maxim Integrated. These controllers are optimized for generating logic-supply voltages in battery-powered systems, particularly in mobile communications and pen-entry applications. They offer high efficiency, adjustable output voltages, and various protective features, making them versatile for a range of power management needs.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4.2V to 30V |
| Output Voltages | 2.5V to 5.5V (adjustable), 3.3V, 5V (fixed) |
| Output Currents | 3.3V at 3A, 12V at 120mA, 5V at 3A and 30mA (Keep-Alive) |
| Efficiency | Up to 96% |
| Operating Frequency | 200kHz/300kHz |
| Quiescent Power | 2.5mW (typical, +12V input, both SMPSs on) |
| Shutdown Current | 4µA (typical) |
| Package | 28-Pin SSOP |
Key Features
- High efficiency up to 96%
- Adjustable and fixed output voltages (2.5V to 5.5V, 3.3V, 5V)
- 12V linear regulator with 120mA output
- Secondary feedback regulation (MAX1631/MAX1634)
- Programmable power-up sequencing
- Power-Good (active-low RESET) output
- Output overvoltage protection and undervoltage shutdown
- Low-noise, fixed-frequency operation (200kHz/300kHz)
- Low-dropout, 99% duty-factor operation
- Precision 2.5V reference output
- Oscillator sync input and low-noise mode control (active-low SKIP)
Applications
The MAX1630 series, including the MAX163CCNG, is suitable for various battery-powered systems, particularly in:
- Mobile communications devices
- Pen-entry applications
- Portable electronics requiring multiple regulated voltages
- Systems needing high efficiency and low noise power supply solutions
Q & A
- What is the input voltage range of the MAX163CCNG?
The input voltage range is from +4.2V to +30V.
- What are the available output voltages for the MAX163CCNG?
The output voltages are adjustable from 2.5V to 5.5V, with fixed options of 3.3V and 5V.
- What is the efficiency of the MAX163CCNG?
The efficiency can be up to 96%.
- What are the key protective features of the MAX163CCNG?
The key protective features include output overvoltage protection, output undervoltage shutdown, and power-good monitoring.
- How does the MAX163CCNG manage power-up sequencing?
The MAX163CCNG allows for programmable power-up sequencing.
- What is the typical quiescent power consumption of the MAX163CCNG?
The typical quiescent power consumption is 2.5mW (+12V input, both SMPSs on).
- What is the shutdown current of the MAX163CCNG?
The shutdown current is typically 4µA.
- What package type is the MAX163CCNG available in?
The MAX163CCNG is available in a 28-Pin SSOP package.
- Does the MAX163CCNG support low-noise operation?
Yes, it supports low-noise, fixed-frequency operation (200kHz/300kHz) and has a low-noise mode control input (active-low SKIP).
- What are some common applications for the MAX163CCNG?
Common applications include mobile communications devices, pen-entry applications, and portable electronics requiring multiple regulated voltages.
