XL7005A DC to DC Buck Converter IC SOP-8

XL7005A DC to DC Buck Converter IC (SOP-8) is a compact and efficient switching regulator that steps down higher DC voltages to stable lower outputs. Designed with integrated switching elements, it offers a reliable and cost-effective solution for powering embedded systems, consumer electronics, and industrial control boards.

Key Features:

• Wide Input Voltage Range: Accepts 8 V to 80 V, making it versatile for automotive and industrial supplies.
• High Output Current: Delivers up to 0.4 A continuous output with stable regulation.
• Integrated Power MOSFET: Reduces external component count and simplifies circuit design.
• Fixed 5 V Output: Provides regulated 5 V for microcontrollers, sensors, and logic circuits.
• High Efficiency: Switching design minimizes heat generation and energy loss.
• Built-In Protections: Includes thermal shutdown and current limiting for safe operation.

Technical Specifications:

• Input Voltage Range: 8 V to 80 V
• Output Voltage: 5 V fixed (±4% tolerance)
• Output Current: Up to 0.4 A continuous
• Switching Frequency: Around 100 kHz typical
• Efficiency: Up to 85% under optimal conditions
• Operating Temperature: −40 °C to +125 °C
• Protection Features: Over-temperature shutdown, short-circuit and current-limit protection

Mechanical Specifications:

• Package Type: SOP-8 surface-mount package
• Lead Finish: Tin-plated leads for reliable soldering
• Mounting Method: Standard surface-mount reflow compatible
• Body Material: Molded epoxy package with moisture resistance

Dimensions:

• Package Width: ~3.9 mm
• Package Length: ~4.9 mm
• Lead Pitch: 1.27 mm
• Lead Length: ~0.5 mm

Pinout and Wiring:

• Pin 1: GND – system ground reference
• Pin 2: VIN – input supply voltage
• Pin 3: EN – enable control (active high)
• Pin 4: FB – feedback input for voltage regulation
• Pin 5: COMP – compensation network connection
• Pin 6: VCC – internal logic supply
• Pin 7: SW – switching output node (connect to inductor)
• Pin 8: BOOT – bootstrap capacitor connection
• Wiring Tip: Keep input and output capacitors close to the IC and use short, wide traces to minimize switching noise.

Datasheet Reference:

• Refer to the XL7005A datasheet for detailed electrical characteristics, design equations, and recommended PCB layout guidelines.

Applications:

• Embedded Systems: Power microcontrollers, sensors, and communication modules.
• Industrial Control: Step down higher DC rails to regulated 5 V logic supplies.
• Automotive Electronics: Suitable for dashboards, instrumentation, and auxiliary modules.
• Consumer Devices: Regulate power in appliances, chargers, and LED drivers.

Equivalent Models:

• LM2575-5.0: 5 V fixed regulator with similar switching performance
• XL7005: Non-A variant with nearly identical functionality
• MC34063 with External Switch: Alternative buck converter design approach

Package Includes:

• 1 x XL7005A DC to DC Buck Converter IC (SOP-8)