AME, Inc.
AME8550
Voltage Detector
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General Description
The AME8550 series are highly precise, low power con-
sumption voltage detectors, manufactured using CMOS
and fuse trimming technologies. Detect voltage is ex-
tremely accurate with minimal temperature drift.
Both CMOS and N channel open drain output configu-
rations are available.
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Functional Block Diagram
(1) CMOS Output without delay
V
DD
V
OUT
Vref
V
SS
BG
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Features
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Highly accurate: + 2%
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Low power consumption: TYP 0.8µA
(V
DD
=1.5V)
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Detect voltage range: 1.6V to 6.0V in 0.1V
increments
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Operating voltage range: 1.2V to 6.5V
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Detect voltage temperature characteristics:
TYP ±100ppm/
o
C
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Output configuration: N-channel open drain or
CMOS
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Ultra small package :
SOT-23 (150mW)
SOT-25 (150mW)
SOT-89 (500mW)
SC-70 (100mW)
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Add an external capacitor to perform an
µP
reset.
(2) Nch Open Drain Output without delay
V
DD
V
OUT
V
SS
Vref
BG
(3) CMOS Output with delay
V
DD
V
OUT
V
DD
V
SS
I
V
TH
=V
REF
Vref
BG
CD
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Applications
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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
V
OUT
V
DD
V
SS
V
DD
I
V
TH
=V
REF
CD
Vref
BG
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