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MCP121T-450I/TO

Description
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3
Categorysemiconductor    Analog mixed-signal IC   
File Size288KB,28 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Parametric View All

MCP121T-450I/TO Overview

1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3

MCP121T-450I/TO Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals3
Minimum operating temperature-40 Cel
Maximum operating temperature125 Cel
Minimum supply/operating voltage1 V
Maximum supply/operating voltage5.5 V
Processing package descriptionLEAD FREE, PLASTIC, TO-236, SOT-23B, 3 PIN
each_compliYes
EU RoHS regulationsYes
China RoHS regulationsYes
stateActive
Analog IC other typesPOWER SUPPLY SUPPORT CIRCUIT
Adjustable thresholdNO
jesd_30_codeR-PDSO-G3
jesd_609_codee3
moisture_sensitivity_level1
Number of channels1
Packaging MaterialsPLASTIC/EPOXY
ckage_codeTSSOP
ckage_equivalence_codeTO-236
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
eak_reflow_temperature__cel_260
wer_supplies__v_1/5.5
qualification_statusCOMMERCIAL
seated_height_max1.12 mm
sub_categoryPower Management Circuits
supply_current_max__isup_0.0900 mA
surface mountYES
Temperature levelAUTOMOTIVE
terminal coatingMATTE TIN
Terminal formGULL WING
Terminal spacing0.9600 mm
Terminal locationDUAL
hreshold_voltage_nom__v_+4.63V
ime_peak_reflow_temperature_max__s_40
length2.92 mm
width1.3 mm
MCP102/103/121/131
Micropower Voltage Supervisors
Features
• Ultra low supply current: 1.75 µA
(steady-state max.)
• Precision monitoring options of:
- 1.90V, 2.32V, 2.63V, 2.93V, 3.08V, 4.38V
and 4.63V
• Resets microcontroller in a power-loss event
• RST pin (Active-low):
-
MCP121:
Active-low, open-drain
-
MCP131:
Active-low, open-drain with internal
pull-up resistor
-
MCP102
and
MCP103:
Active-low, push-pull
• Reset Delay Timer (120 ms delay, typ.)
• Available in SOT23-3, TO-92 and SC-70
packages
• Temperature Range:
- Extended: -40°C to +125°C
(except
MCP1XX-195)
- Industrial: -40°C to +85°C (MCP1XX-195
only)
• Pb-free devices
Package Types
SOT23-3/SC-70
RST 1
MCP102/121/131
TO-92
3 V
SS
RST
V
DD
V
SS
V
DD
2
SOT23-3/SC-70
V
SS
1
MCP103
3 V
DD
RST 2
Block Diagram
V
DD
R
(1)
Comparator
+
Band Gap
Reference
V
SS
Note 1:
MCP131 Only
Reset
Delay
Circuit
Output
Driver
Applications
• Critical Microcontroller and Microprocessor
Power-monitoring Applications
• Computers
• Intelligent Instruments
• Portable Battery-powered Equipment
RST
General Description
The MCP102/103/121/131 are voltage supervisor
devices designed to keep a microcontroller in reset
until the system voltage has reached and stabilized at
the proper level for reliable system operation. Table 1
shows the available features for these devices.
TABLE 1:
Device
DEVICE FEATURES
Output
Type
Reset
Package Pinout
(Pin # 1, 2, 3)
Pull-up Resistor Delay (typ)
120 ms
120 ms
120 ms
No
No
RST, V
DD
, V
SS
V
SS
, RST, V
DD
RST, V
DD
, V
SS
RST, V
DD
, V
SS
V
OUT
, V
SS
, V
DD
V
OUT
, V
SS
, V
DD
See
MCP111/112
Data Sheet
(DS21889)
See
MCP111/112
Data Sheet
(DS21889)
Comment
MCP102
Push-pull
MCP103
Push-pull
No
No
MCP121
Open-drain External
MCP111
Open-drain External
MCP112
Push-Pull
No
MCP131
Open-drain Internal (~95 kΩ) 120 ms
©
2005 Microchip Technology Inc.
DS21906B-page 1
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Index Files: 2630  2006  1293  2776  1181  53  41  27  56  24 
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