Products - Step-Up

XC9142 PWM/PFM Controlled Step-Up DC/DC Converter

PWM/PFM Controlled Step-Up DC/DC Converter image

Specifications


Property XC9142
Output Current 500mA
Input Voltage 0.65 ~ 6.0V
Output Voltage 1.8 ~ 5.5V
Oscillation Frequency 1.2MHz, 3.0MHz
Quiescent Current 17µA
Packages SOT-25 USP-6C WLP-6-01

Product Description


PWM/PFM Synchronous Step-Up DC/DC Converter

The new XC9142 series is a synchronous boost converter optimised to provide high efficiencies under all load conditions.

This DC/DC integrates a 0.3Ω Nch driver transistor and a 0.4Ω synchronous Pch switching transistor and is readily available with either a 1.2MHz or 3.0MHz switching frequency.

Output currents up to 500mA can be realised with only two low cost ceramic capacitors and an Inductor placed externally. The internal circuit can start operation from Input Voltages as low as 0.9V and once started will continue to operate until the input goes below 0.65V.

This series also features an optional load disconnect function that prevents the battery charge from leaking to the output while the IC is not operating or an Input bypass mode function to keep the connection between the input and output side during shutdown.

The XC9142 is available in the WLP-6-01 package for applications that require a small form factor, the USP-6C or in the industry standard SOT-25 package.

Need more Integration?

For additional space saving take a look at the XCL103 Micro DC/DC with integrated inductor! The XCL103 is available in an ultra small CL-2025-02 package measuring only 2.5mm x 2.0mm x 1.0mm. Needs only two external capacitors!