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NCP1402SN33T1 from MOTO,Motorola

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NCP1402SN33T1

Manufacturer: MOTO, ON

200mA, PFM Step-Up Micropower Switching Regulator

Partnumber Manufacturer Quantity Availability
NCP1402SN33T1 MOTO, ON 16107 In Stock

Description and Introduction

200mA, PFM Step-Up Micropower Switching Regulator # Introduction to the NCP1402SN33T1 Voltage Regulator  

The NCP1402SN33T1 is a high-efficiency, step-up (boost) DC-DC switching regulator designed to provide a stable 3.3V output from low input voltages. This compact and versatile component is commonly used in battery-powered applications where efficient power conversion is essential, such as portable electronics, IoT devices, and wireless sensors.  

With an input voltage range of 0.8V to 5.0V, the NCP1402SN33T1 is particularly suitable for single-cell or dual-cell alkaline, NiMH, or lithium-based battery systems. Its integrated switching MOSFET and synchronous rectification minimize external component count, simplifying design while improving efficiency. The regulator operates at a fixed switching frequency, ensuring predictable performance and reduced electromagnetic interference (EMI).  

Key features include a low quiescent current, enabling extended battery life in standby modes, and an automatic pulse-frequency modulation (PFM) mode that enhances efficiency at light loads. The device also incorporates built-in protections such as overcurrent and thermal shutdown, ensuring reliable operation under varying conditions.  

Available in a space-saving SOT-23-5 package, the NCP1402SN33T1 is an excellent choice for designers seeking a compact, efficient, and reliable power management solution for low-voltage applications.

Application Scenarios & Design Considerations

200mA, PFM Step-Up Micropower Switching Regulator

Alternative Part Number

  • TPS61222DCKR --: Boost converter in SOT-23/SON package with fixed 3.3V-class output, widely used as a drop-in functional replacement for NCP1402 boost regulators.
  • AP3012KTR-G1 --: Step-up DC-DC converter with similar input range and 3.3V output option, available in small SOT-23 package and suitable for portable 3.3V boost applications.
  • LT1615ES5#TRMPBF --: Low-power boost converter in SOT-23-5 with adjustable output that can be set to 3.3V, offering a higher-performance alternative for the same boost regulator role.
  • MCP1640BT-I/CHY --: Low-voltage boost converter with 3.3V output option, wide input range, and compact SOT-23 package suitable as a drop-in functional replacement.
  • LTC3525ESC6-3.3 --: 3.3V fixed-output boost converter in SC-70, offering comparable current capability and efficiency for the same application.

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