AT90USB1287 (AVR) 64 QFN device (2.7V VCC 5.5V)

Overview This document describes the AT88CK109STK3, which is a development kit for the AT88SA100, AT88SA102, and ATSA8810HS CryptoAuthentication devices. This kit uses a modular approach. The development kit includes the AT88Microbase board and the AT88CK109BK3 CryptoAuthentication daughter board

500mA-Peak Output LDO Regulator

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20V,500mA,1.5uA, Higt PSRR Voltage Reaulator

Features • 1.5μA Ground Current at no Load • ±2 Output Accuracy 500mA Output Current • Wide Operating Input Voltage Range: 2V to 20V • Dropout Voltage: 0.35V at 100mA (VouT=5V) • Support Fixed Output Voltage 1.8V, 3.3V, 5V, • Stable with Ceramic or Tantalum Capacitor Current Limit Protect

20V,500mA,1.5uA, Higt PSRR Voltage Reaulator

Features 1.5pA Ground Current at no Load +2 Output Accuracy 500mA Output Current Wide Operating Input Voltage Range: 2V to 20V Dropout Voltage: 0.53V at 200mA (Vour=5V) Support Fixed Output Voltage 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 3.6V, 5.0V Stable with Ceramic or Tantalum Capacitor Current

20V,500mA,1.5uA, Higt PSRR Voltage Reaulator

Features 1.5pA Ground Current at no Load +2 Output Accuracy 500mA Output Current Wide Operating Input Voltage Range: 2V to 20V Dropout Voltage: 0.53V at 200mA (Vour=5V) Support Fixed Output Voltage 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 3.6V, 5.0V Stable with Ceramic or Tantalum Capacitor Current