TPS3307-18-Q1

TPS3307Ć18ĆQ1 TRIPLE PROCESSOR SUPERVISORS D Qualified for Automotive Applications D ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0) D Triple Supervisory Circuits for DSP and Processor-Based Systems D Power-On Reset Generator with Fixed Delay Time of 200 ms, No External Capacitor Needed typical applications Figure 1 lists some of the typical applications for the TPS3307 family, and a schematic diagram for a processor-based system application. This application uses TI part numbers TPS3307−18 and TMS470R1Vxxx. SGLS136A − NOVEMBER 2002 − REVISED APRIL 2008 D Temperature-Compensated Voltage Reference D Maximum Supply Current of 40 µA D Supply Voltage Range . . . 2 V to 6 V D Defined RESET Output from VDD ≥ 1.1 V D SO-8 Package D Temperature Range . . . −40°C to 125°C D PACKAGE (TOP VIEW) SENSE1 SENSE2 SENSE3 GND 1 2 3 4 8 VDD 7 MR 6 RESET 5 RESET 2.5 V 3.3 V 1.8 V VDD SENSE 1 470 kΩ 620 kΩ SENSE 2 RESET TPS3307-18 SENSE 3 GND 100 nF VDD TMS470R1Vxxx RESET GND Automotive applications using DSPs, Microcontrollers or Microprocessors w Industrial Equipment w Programmable Controls w Automotive Systems Figure 1. Applications Using the TPS3307-18 description The TPS3307-18 is a micropower supply voltage supervisor designed for circuit initialization primarily in automotive DSP and processor-based systems, which require more than one supply voltage. The TPS3307-18 is designed for monitoring three indepen...