ST662ABD - STMicroelectronics

Manufacturer Part Number

ST662ABD

Manufacturer

STMicroelectronics

Introduction

The ST662ABD is an obsolete charge pump-based step-up DC-DC switching regulator designed to convert a 4.5V to 5.5V input voltage to a fixed 12V output voltage. It is primarily used in circuits where low current 12V supply is required from a lower voltage source.

Product Features and Performance

Step-Up Charge Pump topology

Fixed output configuration ensuring a stable 12V output

Minimal external components required

Capable of delivering 30mA output current

Operates at a switching frequency of 400kHz

Designed for surface mount applications

Product Advantages

Simple design, easy to implement in various circuits

Compact 8-SOIC package saves board space

High efficiency compared to linear regulators in similar applications

Key Technical Parameters

Voltage Input (Min): 4.5V

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 12V

Current Output: 30mA

Frequency Switching: 400kHz

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Operates within a wide temperature range ensuring reliability under various conditions

Compatibility

Surface mount technology for compatibility with modern PCB designs

Application Areas

Low power 12V supply circuits

Portable devices requiring a 12V supply from a lower voltage battery

Product Lifecycle

Obsolete status, indicating discontinuation by STMicroelectronics with potential limited availability

Users may need to seek replacements or upgrades for new designs

Several Key Reasons to Choose This Product

Ideal for applications needing a simple and compact solution to generate a 12V supply from a 5V source

Reliable performance within the specified operating temperature range

Obsolescence might encourage careful inventory management or exploration of newer alternatives for long-term projects