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) Pin Name Function 1 VIN Input voltage (4.5V–40V) 2 GND Ground 3 EN Enable (high = on, low = off) 4 FB Feedback (connect to resistor divider) 5 COMP Compensation (stability control) Tab — Electrically connected to GND 6. Applications High-current power supplies LED drivers Battery chargers Industrial equipment