XL4016E1 Adjustable Buck DC-DC Converter 1.25V~32V 12A TO-220-5

Description

XL4016E1 Adjustable Buck DC-DC Converter 1.25V~32V 12A TO-220-5

specifications for the XL4016E1 Adjustable Buck Converter (TO-220-5 package):

XL4016E1 Key Specifications

Package: TO-220-5 (5-pin, tabbed)

1. Electrical Characteristics

• Input Voltage: 4.5V–40V (absolute max: 42V)

• Output Voltage: 1.25V–32V (adjustable via resistor divider)

• Output Current: Up to 12A (continuous, with heatsinking)

• Peak Current: 15A (pulsed)

• Conversion Efficiency: Up to 96% (depends on I/O voltage and load)

• Switching Frequency: 180kHz (fixed)

2. Protection Features

• Over-Current Protection (OCP): Yes (adjustable)

• Thermal Shutdown: Yes (auto-recovery at ~150°C)

• Short-Circuit Protection: Yes (hiccup mode)

3. Control & Adjustability

• Feedback Voltage: 1.25V (reference for output adjustment)

• Enable Pin: Active-high (connect to VIN for always-on)

• Compensation Pin: For loop stability (usually connected via RC network)

4. Thermal Performance

• Junction Temperature: -40°C to +125°C

• Thermal Resistance (Junction-to-Case): 2.5°C/W

• Heatsinking Required: Yes for >5A loads (use thermal paste + heatsink)

5. Pinout (TO-220-5)

6. Applications

• High-current power supplies

• LED drivers

• Battery chargers

• Industrial equipment