MCP111T-270I/TT Microchip Technology, MCP111T-270I/TT Datasheet - Page 11
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MCP111T-270I/TT
Manufacturer Part Number
MCP111T-270I/TT
Description
Supervisory Circuits Open Drain
Manufacturer
Microchip Technology
Datasheet
1.MCP111T-315ILB.pdf
(22 pages)
Specifications of MCP111T-270I/TT
Product Category
Supervisory Circuits
Rohs
yes
Number Of Voltages Monitored
1
Monitored Voltage
2.63 V
Undervoltage Threshold
2.591 V
Overvoltage Threshold
2.67 V
Manual Reset
Not Resettable
Watchdog
No Watchdog
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SOT-23-3
Minimum Operating Temperature
- 40 C
Factory Pack Quantity
3000
Supply Current (typ)
1.75 uA
Supply Voltage - Min
1 V
4.0
For many of today’s microcontroller applications, care
must be taken to prevent low-power conditions that can
cause many different system problems. The most
common causes are brown-out conditions, where the
system supply drops below the operating level momen-
tarily. The second most common cause is when a slowly
decaying power supply causes the microcontroller to
begin executing instructions without sufficient voltage to
sustain SRAM, thus producing indeterminate results.
Figure 4-1 shows a typical application circuit.
FIGURE 4-1:
FIGURE 4-2:
2004 Microchip Technology Inc.
0.1
µF
V
Note 1: R
DD
APPLICATION INFORMATION
MCP11X
due to the open-drain output. Resistor
R
V
V
PU
PU
V
V
DD
OUT
SS
DD
3
is not required with the MCP112.
2
V
may be required with the MCP111
OUT
V
Typical Application Circuit.
V
TRIPMAX
1
V
OUT
TRIPMIN
Operation as Determined by the V
R
PU
1V
Microcontroller
MCLR
(Reset Input)
PICmicro
< 1 V is outside the
GND
device specifications
V
DD
®
V
TRIPAC
+ V
4.1
The voltage trip point (V
edge of V
be between the minimum trip point (V
maximum trip point (V
this trip point to remove any “jitter” that would occur on
the V
Figure 4-2 shows the state of the V
mined by the V
falling V
V
V
HYSAC
OUT
HYS
TRIP
.
OUT
pin will not be driven high until V
DD
pin when the device V
V
and V
DD
voltages. When the V
TRIP
. The actual voltage trip point (V
V
TRIPAC
DD
Operation
HYS
voltage. The V
.
TRIPMAX
MCP111/112
TRIP
) is determined on the falling
). There is a hysteresis on
DD
DD
V
TRIP
TRIPAC
is at the trip point.
voltage is rising, the
specification is for
DS21889B-page 11
OUT
TRIPMIN
DD
pin as deter-
is at V
TRIPAC
) and the
TRIP
) will
+