AME8550

AME, Inc. AME8550 Voltage Detector n General Description The AME8550 series are highly precise, low power consumption voltage detectors, manufactured using CMOS and fuse trimming technologies. Detect voltage is extremely accurate with minimal temperature drift. Both CMOS and N channel open drain output configurations are available. n Functional Block Diagram (1) CMOS Output without delay VDD VOUT Vref VSS BG n Features l Highly accurate: + 2% l Low power consumption: TYP 0.8µA (VDD=1.5V) l Detect voltage range: 1.6V to 6.0V in 0.1V increments l Operating voltage range: 1.2V to 6.5V l Detect voltage temperature characteristics: TYP ±100ppm/oC l Output configuration: N-channel open drain or CMOS l Ultra small package : SOT-23 (150mW) SOT-25 (150mW) SOT-89 (500mW) SC-70 (100mW) l Add an external capacitor to perform an µP reset. (2) Nch Open Drain Output without delay VDD VOUT VSS Vref BG (3) CMOS Output with delay VDD VOUT VDD VSS I VTH=VREF Vref BG CD n Applications l l l l l Microprocessor reset circuitry Memory battery back-up circuits Power-on reset circuits Power failure detection System battery life and charge voltage monitors (4) Nch Open Drain Output with delay VOUT VDD VSS VDD I VTH=VREF CD Vref BG 1 AME, Inc. AME8550 Voltage Detector n Pin Configuration l Without Delay Time SOT-23 Top View 3 SOT-89 Top View AME8550AEETXXXX 1. VOUT 2. Vss 3. VDD AME8550AEFTXXXX 1. VOUT 2. VDD 3. Vss AME8550 AME8550 1 2 1 2 3 SOT-25 Top View 5 4 SC70-3 Top ...