NB670 ADZ ADZD (Step Down) Buck Converter IC

Description

The NB670 integrates a synchronous buck converter and a linear regulator (LDO) to deliver a clean, fixed 3.3 V output with high current capacity and good protection features.

Key Specifications & Characteristics

• Input voltage range: ~4.8 V to 22 V

• Output:

  • Buck converter: fixed 3.3 V output

  • Integrated 3.3 V LDO (up to ~100 mA) for powering peripherals

• Current capability:

  • Continuous output: 6 A

  • Peak output: up to 9 A

• Switching / control:

  • Constant-On-Time (COT) control mode (fast response)

  • Fixed switching frequency (~500 kHz typical)

• Protection and features:

  • Over-current protection (OCP)

  • Over-voltage protection (OVP)

  • Under-voltage lockout (UVP)

  • Thermal shutdown

  • Soft-start

  • Output discharge (to help bring output down on disable)

  • Power-good (open-drain) indicator

  • A clock output (~300 kHz) for driving an external charge pump

• Package & form factor:

  • 16‑pin QFN (3 × 3 mm) package

• Typical use cases:

  • Notebook power rails

  • Systems requiring a robust, compact 3.3 V supply from a wide input range

  • Embedded devices needing both high-power and peripheral LDO rails

Please Note:

• No Returns, Exchanges, or Warranty available.

• Kindly verify the model number and ensure it matches your product before placing an order.

• We guarantee premium quality.

• All items are thoroughly inspected prior to shipping.