Overview
The MAX1676 is a high-efficiency, low-supply-current, compact step-up DC-DC converter from Analog Devices Inc./Maxim Integrated. This device is part of the MAX1674/MAX1675/MAX1676 family and is designed to provide a reliable and efficient power solution for various portable and battery-powered applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Operating Temperature Range | -40 | 85 | °C | |
| Junction Temperature | 150 | °C | ||
| Storage Temperature Range | -65 | 165 | °C | |
| Lead Temperature (soldering, 10s) | 300 | °C | ||
| Output Voltage Range | 2 | 5 | V | |
| Output Current (OUT) | -1.5 | 1.5 | A | |
| Switch Current (LX) | -1.5 | 1.5 | A | |
| Operating Current into OUT | 16 | 35 | µA | |
| Shutdown Current into OUT | 0.1 | 1 | µA | |
| Efficiency | 85 | 90 | % |
Key Features
- High efficiency with up to 90% efficiency at full load.
- Low supply current, typically 35µA.
- Adjustable current limit and circuitry to reduce inductor ringing.
- Low-battery detection with an on-chip comparator.
- Compact 10-pin µMAX package.
- Output voltage can be set to 3.3V or 5V, or adjusted using a resistor divider.
Applications
- Pagers and wireless phones.
- Portable and battery-powered devices.
- Low-power consumer electronics.
- Industrial control systems requiring efficient power conversion.
Q & A
- What is the operating temperature range of the MAX1676? The operating temperature range is -40°C to +85°C.
- How is the output voltage set on the MAX1676? The output voltage can be set to 3.3V or 5V by connecting the FB pin to GND or OUT, or adjusted using a resistor divider.
- What is the typical operating current of the MAX1676? The typical operating current is 35µA.
- Does the MAX1676 have low-battery detection? Yes, it includes an on-chip comparator for low-battery detection.
- What is the maximum junction temperature of the MAX1676? The maximum junction temperature is 150°C.
- What package options are available for the MAX1676? The MAX1676 comes in a 10-pin µMAX package.
- How efficient is the MAX1676? The MAX1676 has an efficiency of up to 90% at full load.
- Can the MAX1676 be used in industrial applications? Yes, it is suitable for industrial control systems requiring efficient power conversion.
- What is the storage temperature range for the MAX1676? The storage temperature range is -65°C to +165°C.
- How is the switch current limited on the MAX1676? The switch current is adjustable and includes circuitry to reduce inductor ringing.
