Professional IC Distribution & Technical Solutions

The L4962E is a monolithic step-down switching regulator manufactured by STMicroelectronics (ST). Below are the factual specifications, descriptions, and features from the Manufactor Datasheet:

Specifications:

• Input Voltage Range: 9V to 46V
• Output Voltage Range: 5.1V to 40V (adjustable via external resistors)
• Output Current: Up to 1.5A
• Switching Frequency: 100kHz (fixed)
• Dropout Voltage: Typically 0.5V at 1A
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to +150°C (junction temperature)
• Package: Multiwatt15 (through-hole)

Descriptions:

• The L4962E is a step-down (buck) switching regulator designed for high-efficiency DC-DC conversion.
• It integrates a power switch, oscillator, error amplifier, and protection circuitry.
• Suitable for industrial, automotive, and consumer applications requiring stable and efficient power conversion.

Features:

• Internal Current Limiting: Protects against overloads.
• Thermal Shutdown: Prevents damage from excessive heat.
• Soft-Start Function: Reduces inrush current during startup.
• Adjustable Output Voltage: Set via external resistor divider.
• Low Standby Current: Improves efficiency in light-load conditions.
• Pulse-by-Pulse Current Limiting: Enhances reliability under transient conditions.

For detailed application notes and schematics, refer to the official STMicroelectronics datasheet.