Dual and Combinable QPWM Graphics Core Controllers
19-3200; Rev 3; 9/10
EVAALVUAAILTAIOBNLEKIT
Dual and Combinable QPWM Graphics Core Controllers for Notebook Computers
M...
Description
19-3200; Rev 3; 9/10
EVAALVUAAILTAIOBNLEKIT
Dual and Combinable QPWM Graphics Core Controllers for Notebook Computers
MAX17007A/MAX17007B/MAX17008
General Description
The MAX17007A/MAX17007B/MAX17008 are dual QuickPWM™ step-down controllers intended for general power generation in battery-powered systems. The two switched-mode power supplies (SMPSs) can also be combined to operate in a two-phase single-output mode. Constant on-time Quick-PWM operation provides fast response to load transients and handles wide input/output (I/O) voltage ratios with ease, while maintaining a relatively constant switching frequency. The switching frequency can be individually adjusted between 200kHz and 600kHz with external resistors. Differential output current sensing allows output sense-resistor sensing for an accurate current limit, or lossless inductor direct-current resistance (DCR) current sensing for lower power dissipation while maintaining 0.7% output accuracy. Overvoltage (MAX17007A/MAX1700...
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