MAX1636 Datasheet - Maxim

MAX1636 Low-Voltage / Precision Step-Down Controller

The MAX1636 is a synchronous, buck, switch-mode, power-supply controller that generates the CPU supply voltage in battery-powered systems. It achieves ±1% output voltage accuracy and offers the excellent loadtransient response needed by upcoming generations of dynamic-clock CPUs. Up to 95% efficienc.

MAX1636 Features

* o ±1% DC Accuracy (Adjustable Mode) o Output Overvoltage Crowbar Protection o Output Undervoltage Shutdown o Adjustable Switching Frequency to 340kHz o Low-Dropout Operation o Idle Mode Pulse-Skipping Operation o 1.10V to 5.5V Adjustable Output Voltage o 2.5V/3.3V Dual-Mode Fixed-Output Settings o I

MAX1636_MaximIntegratedProducts.pdf