ISL6442
ISL6442 is Dual PWM and Linear Controller manufactured by Renesas.
Dual (180° Out-of-Phase) PWM and Linear Controller
FN9204 Rev 2.00 Oct 31, 2008
The ISL6442 is a high-performance, triple output controller that provides a single high-frequency power solution primarily for Broadband, DSL and Networking applications. This device integrates plete control, monitoring and protection functions for two synchronous buck PWM controllers and one linear controller. Input voltage ripple and total RMS input current is substantially reduced by synchronized 180° out-of-phase operation of the two PWMs.
The two PWM buck converters provide simple voltage mode control. The output voltage of the converters can be precisely regulated to as low as 0.6V, with a maximum tolerance of ±1.5% over temperature and line variations. Programmable switching frequency up to 2.5MHz provides fast transient response and small external ponents. The linear controller provides a low-current output.
The ISL6442 has voltage-tracking capability. Each controller...
