Texas Instruments DC/DC Adjustable Charge Pump Voltage Converter

The Texas Instruments DC/DC Adjustable Charge Pump Voltage Converter is a high-performance switched capacitor CMOS charge-pump device designed to invert a positive voltage in the range of 2.7V to 5.5V to the corresponding negative voltage. This compact and efficient converter provides up to 200mA of output current without the size and electromagnetic interference (EMI) typically associated with inductor-based converters.

Operating with a remarkably low current of only 100µA, this charge pump achieves an operating efficiency greater than 90% at most loads. This makes it an ideal choice for battery-powered systems that require a high-power negative power supply. The device features a low-current PFM mode operation, alongside built-in current limit and thermal protection for safe and reliable operation.

Key Features

• Inverts input supply voltage
• Low-current PFM mode operation
• Current limit and thermal protection
• Requires no inductors
• 2MHz switching frequency
• Greater than 90% efficiency
• Green product with no Sb/Br

With its surface mount SOT-23-6 package, this voltage converter is perfectly suited for modern compact circuit designs. It operates reliably across a wide temperature range from -40°C to 85°C. The product measures 43mm in height, 33mm in width, and 15mm in depth, with a lightweight design of just 0.363 grams.