ZL8801ALAFTK

ZL8801ALAFTK Features

• Unique compensation-free design – always stable • Output voltage range: 0.54V to 5.5V • Input voltage range: 4.5V to 14V • 1% output voltage accuracy over line, load and temperature • Charge mode control achieves fast transient response,reduced output capacitance and provides output stabilitywithout compensation • Single 2-phase output, up to 8 phases with multiple devices • Switching frequency range 200kHz to 1.33MHz • Proprietary single wire DDC (Digital-DC) serial bus enablesvoltage sequencing and fault spreading with all other Intersildigital power ICs • Tracking of an external power supply in the single 2-phaseconfiguration • Cycle-by-cycle inductor peak current protection • Digital fault protection for output voltage UV/OV, inputvoltage UV/OV, temperature and MOSFET driver voltage • 10-bit cycle-by-cycle average output current measurementwith adjustable gain settings for sensing with high current,low DCR inductors • 10-bit monitor ADC measures input voltage, input current,output voltage, internal, external temperature, driver voltage • Configurable to use standalone MOSFET drivers orintegrated driver-MOSFET (DrMOS) devices • Nonvolatile memory (NVRAM) for storing operatingparameters and fault events. • PMBus™ compliant

ZL8801ALAFTK Applications

• Servers/storage equipment • Telecom/datacom equipment • Power supplies (memory, DSP, ASIC, FPGA)TABLE 1. KEY DIFFERENCES BETWEEN FAMILY OF PARTSPART NUMBER DUAL OUTPUT DUAL PHASE DDC CURRENT SHAREZL8800YesYesNoZL8801NoYesYes