MIC2776 데이터 시트보기 (PDF) - Micrel
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MIC2776 Datasheet PDF : 8 Pages
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MIC2776
Ordering Information
Standard
MIC2776N-BM5
MIC2776H-BM5
MIC2776L-BM5
Part Number
Marking Pb-Free
UKAA MIC2776N-YM5
ULAA MIC2776H-YM5
UMAA MIC2776L-YM5
Marking
UKAA
ULAA
UMAA
Reset Output
Temperature Range
Open-Drain, Active-Low / RST
Active-High, Complementary RST
Active-Low, Complementary /RST
–40ºC to +85ºC
–40ºC to +85ºC
–40ºC to +85ºC
Micrel, Inc
Package
SOT-23-5
SOT-23-5
SOT-23-5
Pin Configuration
/MR GND RST
3
2
1
4
5
IN
VDD
SOT-23-5 (M5)
“H” Version
/MR GND /RST
3
2
1
4
5
IN
VDD
SOT-23-5 (M5)
“L” and “N” Version
Pin Description
Pin Number
MIC2776H
Pin Number
MIC2776L
MIC2776N
1
1
2
2
3
3
4
4
5
5
Pin Name
RST
/RST
GND
/MR
IN
VDD
Pin Function
Digital (Output): Asserted high whenever VIN falls below the reference volt-
age. It will remain asserted for no less than 140ms after VIN returns above
the threshold limit.
Digital (Output): Asserted low whenever VIN falls below the reference volt-
age. It will remain asserted for no less than 140ms after VIN returns above
the threshold limit. (open-drain for “N” version)
Ground
Digital (Input): Driving this pin low initiates an immediate and unconditional
reset. Assuming IN is above the threshold when /MR is released (returns
high), the reset output will be de-asserted no less than 140ms later. /MR
may be driven by a logic signal or a mechanical switch. /MR has an internal
pull-up to VDD and may be left open if unused.
Analog (Input): The voltage on this pin is compared to the internal 300mV
reference. An under-voltage condition will trigger a reset sequence.
Analog (Input): Independent supply input for internal circuitry.
MIC2776
2
November 2005
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