Overview
The MAX1530ETI+T is a multiple-output power-supply controller designed by Analog Devices Inc./Maxim Integrated. This device is specifically tailored for generating all the supply rails necessary for thin-film transistor (TFT) liquid-crystal display (LCD) monitors and other similar applications. It features a high-efficiency, fixed-frequency, step-down regulator and multiple linear regulator controllers, making it an ideal solution for compact and efficient power management systems.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Voltage Range | 4.5 | - | 28 | V |
| Operating Temperature Range | -40 | - | 85 | °C |
| Junction Temperature | - | - | 150 | °C |
| Storage Temperature Range | -65 | - | 150 | °C |
| Lead Temperature (soldering, 10s) | - | - | 300 | °C |
| Package Type | - | - | 32-pin QFN | - |
| Package Dimensions | - | - | 5mm x 5mm x 0.8mm | - |
Key Features
- High-efficiency, fixed-frequency, step-down regulator with a current-mode control architecture
- Three linear regulator controllers for supplying logic and LCD bias voltages
- Soft-start functions to limit inrush current during startup
- Internal step-down converter current-limit function and versatile overcurrent shutdown
- Programmable startup sequence for easy control of the regulators
- No sense resistor required
- Small inductor and capacitor requirements due to high-frequency operation
- Timed reset output and uncommitted overcurrent protection
- Programmable input undervoltage comparator and soft-start for all regulators
Applications
- LCD Monitors and TVs
- Automotive LCDs
- Other display systems requiring multiple regulated power supplies
Q & A
- What is the input voltage range of the MAX1530ETI+T?
The input voltage range is from 4.5V to 28V.
- What is the operating temperature range of the MAX1530ETI+T?
The operating temperature range is from -40°C to +85°C.
- What type of package does the MAX1530ETI+T come in?
The device is available in a 32-pin QFN package.
- Does the MAX1530ETI+T have built-in overcurrent protection?
Yes, it includes an internal step-down converter current-limit function and versatile overcurrent shutdown.
- Can the MAX1530ETI+T be used in automotive applications?
Yes, it is suitable for automotive LCDs among other applications.
- What is the purpose of the soft-start function in the MAX1530ETI+T?
The soft-start function limits inrush current during startup.
- Does the MAX1530ETI+T require a sense resistor?
No, it does not require a sense resistor.
- What is the benefit of high-frequency operation in the MAX1530ETI+T?
High-frequency operation allows the use of small inductors and capacitors, resulting in a compact solution.
- Can the startup sequence of the regulators be programmed?
Yes, the MAX1530ETI+T allows for a programmable startup sequence.
- What kind of linear regulators does the MAX1530ETI+T include?
The device includes three linear regulator controllers for supplying logic and LCD bias voltages.
