19-3034; Rev 0; 10/03
MAX5038A/MAX5041A
Dual-Phase, Parallelable, Average-Current-Mode Controllers
General Descriptio...
19-3034; Rev 0; 10/03
MAX5038A/MAX5041A
Dual-Phase, Parallelable, Average-Current-Mode Controllers
General Description
The MAX5038A/MAX5041A dual-phase, PWM controllers provide high-output-current capability in a compact package with a minimum number of external components. The MAX5038A/MAX5041A utilize a dual-phase, average-current-mode control that enables optimal use of low RDS(ON) MOSFETs, eliminating the need for external heatsinks even when delivering high output currents.
Differential sensing enables accurate control of the output voltage, while adaptive voltage positioning provides optimum transient response. An internal
regulator enables operation with input voltage ranges of +4.75V to +5.5V or +8V to +28V. The high switching frequency, up to 500kHz per phase, and dual-phase operation allow the use of low-output inductor values and input capacitor values. This accommodates the use of PC boardembedded planar magnetics achieving superior reliability, current sharing, thermal ...