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MCP130-485DI/TO Datasheet

  • MCP130-485DI/TO

  • IC, SUPERVISOR, 4.85V, LOW, TO92; Threshold Voltage:4.725V; ...

  • 221.40KB

  • 16頁

  • Microchip   Microchip

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MCP120/130
Microcontroller Supervisory Circuit with Open Drain Output
FEATURES
鈥?Holds microcontroller in reset until supply voltage
reaches stable operating level
鈥?Resets microcontroller during power loss
鈥?Precision monitoring of 3V, 3.3V and 5V systems
鈥?7 voltage trip points available
鈥?Active low RESET pin
鈥?Open drain output
鈥?Internal pull-up resistor (5 k鈩? for MCP130
鈥?Holds RESET for 350 ms (typical)
鈥?RESET to V
CC
= 1.0V
鈥?Accuracy of 鹵125 mV for 5V systems and 鹵75 mV
for 3V systems over temperature
鈥?45
碌A(chǔ)
typical operating current
鈥?Temperature range:
- Industrial (I): -40擄C to +85擄C
PACKAGES
TO-92 with
鈥楧鈥?Bondout
TO-92 WITH
鈥楩鈥?BONDOUT
RST
V
SS
V
DD
V
SS
V
DD
RST
MCP120
MCP130
MCP130
TO-92 with
鈥楪鈥?Bondout
TO-92 with
鈥楬鈥?Bondout
DESCRIPTION
The Microchip Technology Inc. MCP120/130 is a volt-
age supervisory device designed to keep a microcon-
troller in reset until the system voltage has reached the
proper level and stabilized. It also operates as protec-
tion from brown-out conditions when the supply voltage
drops below a safe operating level. Both devices are
available with a choice of seven different trip voltages
and both have open drain outputs. The MCP130 has an
internal 5 k鈩?pullup resistor. Both devices have active
low RESET pins. The MCP120/130 will assert the
RESET signal whenever the voltage on the V
DD
pin is
below the trip-point voltage.
V
DD
V
SS
RST
V
DD
V
SS
MCP120
RST
MCP120
MCP130
150mil SOIC
RST
V
DD
NC
V
SS
1
2
3
4
8
7
6
5
NC
NC
NC
NC
SOT-23-3
RST
V
DD
V
SS
MCP120
MCP130
MCP120
MCP130
BLOCK DIAGRAM
V
DD
5k
鈩?/div>
internal
pull-up on
MCP130
only
RESET
Comparator
+
-
Delay
Circuit
Output
Driver
Bandgap
Reference
錚?/div>
2001 Microchip Technology Inc.
DS11184D-page 1

MCP130-485DI/TO 產(chǎn)品屬性

  • Microchip

  • 監(jiān)控電路

  • 1

  • 3 V, 3.3 V, 5 V

  • 4.6 V

  • 4.85 V

  • Active Low, Open Drain

  • Not Resettable

  • No Watchdog

  • No Backup

  • 350 ms

  • 5.5 V

  • 1 V

  • 60 uA

  • + 85 C

  • Through Hole

  • TO-92-3

  • Bulk

  • - 40 C

  • No

  • 1000

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