MCP121-450E/TO Microchip Technology, MCP121-450E/TO Datasheet

IC SUPERVISOR 4.38V LOW TO-92

MCP121-450E/TO

Manufacturer Part Number
MCP121-450E/TO
Description
IC SUPERVISOR 4.38V LOW TO-92
Manufacturer
Microchip Technology
Type
Simple Reset/Power-On Resetr
Datasheet

Specifications of MCP121-450E/TO

Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active Low
Reset Timeout
80 ms Minimum
Voltage - Threshold
4.38V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-92-3 (Standard Body), TO-226
Threshold Voltage
4.38V
No. Of Supervisors / Monitors
1
Supply Voltage Range
1V To 5.5V
Reset Type
Active-Low
Supply Current
20µA
Delay Time
120ms
Digital Ic Case Style
TO-92
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
• Ultra low supply current: 1.75 µA
• Precision monitoring options of:
• Resets microcontroller in a power-loss event
• RST pin (Active-low):
• Reset Delay Timer (120 ms delay, typ.)
• Available in SOT23-3, TO-92 and SC-70
• Temperature Range:
• Pb-free devices
Applications
• Critical Microcontroller and Microprocessor
• Computers
• Intelligent Instruments
• Portable Battery-powered Equipment
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:
© 2005 Microchip Technology Inc.
MCP102 Push-pull
MCP103 Push-pull
MCP121 Open-drain External
MCP131 Open-drain Internal (~95 k ) 120 ms
MCP111 Open-drain External
MCP112 Push-Pull
Device
(steady-state max.)
- 1.90V, 2.32V, 2.63V, 2.93V, 3.08V, 4.38V
- MCP121: Active-low, open-drain
- MCP131: Active-low, open-drain with internal
- MCP102 and MCP103: Active-low, push-pull
packages
- Extended: -40°C to +125°C
- Industrial: -40°C to +85°C (MCP1XX-195 only)
Power-monitoring Applications
and 4.63V
pull-up resistor
(except MCP1XX-195)
Type
DEVICE FEATURES
Output
No
No
No
Pull-up Resistor
Micropower Voltage Supervisors
MCP102/103/121/131
120 ms
120 ms
120 ms
No
No
Delay (typ)
Reset
RST, V
V
RST, V
RST, V
V
V
Package Pinout
SS
OUT
OUT
(Pin # 1, 2, 3)
, RST, V
, V
, V
Package Types
Block Diagram
DD
DD
DD
SS
SS
RST 1
V
, V
, V
, V
, V
, V
DD
Band Gap
Reference
SOT23-3/SC-70
DD
SS
SS
SS
DD
DD
2
+
RST
V
See MCP111/112 Data Sheet
(DS21889)
See MCP111/112 Data Sheet
(DS21889)
Comparator
SS
SOT23-3/SC-70
2
1
V
V
Reset
Circuit
Delay
DD
SS
3
Comment
V
SS
Note 1: MCP131 Only
Output
Driver
3
RST
DS21906B-page 1
V
DD
TO-92
R
V
DD
(1)
V
RST
SS

Related parts for MCP121-450E/TO

MCP121-450E/TO Summary of contents

Page 1

... 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.) • ...

Page 2

... DD — — 20.0 I — < 1 1.75 DD — — 75 — — 90 ® microcontroller applications that require In-Circuit Serial = 1V to 5.5V 100 k (MCP121 only), PU Conditions uA, V < 0.2V RST RST µA Reset Power-up Timer (t ) Inactive RPU µA Reset Power-up Timer (t ) Active RPU µA V > ...

Page 3

... — 95 — PU (5) V — — 13.5 ODH I — 0.1 — OD ® microcontroller applications that require In-Circuit Serial = 1V to 5.5V 100 k (MCP121 only), PU Conditions +25°C (Note -40°C to +85°C (Note +25°C (Note Note +25°C (Note Note +25°C (Note 1) ...

Page 4

... TRIP(MAX) 250 mV down to V – TRIP(MIN) 250 mV, per Figure 1- (Note 1) L µs For RST 10% to 90% of final value per Figure 1- (Note 1) = 100 k (MCP121 only), PU Units Conditions ºC MCP1XX-195 ºC Except MCP1XX-195 ºC ºC ºC/W ºC/W ºC/W © 2005 Microchip Technology Inc. ...

Page 5

... FIGURE 2-5: (Reset Power-up Timer Active) (MCP131-315 FIGURE 2-6: (Reset Power-up Timer Active) (MCP121-450). = 100 k (MCP121 only; PU MCP102-195 5.5V 5.0V 4.0V 2.8V 2.1V Temperature (°C) I vs. Temperature DD MCP131-315 5.5V 5.0V 4.5V 4.0V 3.3V Temperature (°C) I vs. Temperature DD MCP121-450 5.5V 5 ...

Page 6

... FIGURE 2-11: (Reset Power-up Timer Active) (MCP131-315). 16 MCP121-450 +70° 0° 5.0 6.0 1.0 FIGURE 2-12: (Reset Power-up Timer Active) (MCP121-450). = 100 k (MCP121 only; PU -40°C 0°C +25°C +70°C +85°C +125°C inactive inactive 2.0 3.0 4.0 5.0 6 -40° ...

Page 7

... MCP121-450 0.180 V = 4.1V 0.050 DD 0.170 0.040 0.160 0.150 0.030 0.140 0.020 0.130 0.120 0.010 0.110 0.100 0.000 140 0.00 FIGURE 2-18: (MCP121-450 @ V = 100 k (MCP121 1.7V +70°C +125°C +85°C +25°C 0°C -40°C 0.25 0.50 0.75 1.00 I (mA vs 1.7V). DD +70°C = 2.9V +125° ...

Page 8

... FIGURE 2-22: (MCP102-195 @ 120 = 120 = 100 k (MCP121 only; PU MCP102-195 V = 2.1V DD 0°C -40°C +125°C +85°C +70°C +25°C 0.25 0.50 0.75 1.00 I (mA vs 2.1V). DD © 2005 Microchip Technology Inc. ...

Page 9

... FIGURE 2-27: (MCP131-315). 145 140 135 130 125 120 increasing from: 115 110 85 110 -40 FIGURE 2-28: (MCP121-450). = 100 k (MCP121 only; PU MCP102-195 increasing from: DD increasing from increasing DD from 4.0V V increasing DD from 5.5V - 110 Temperature (°C) t vs. Temperature ...

Page 10

... MCP131-315 100f 1.00E- 110 FIGURE 2-33: Current vs. Voltage Applied to V (MCP121-195). increasing from: 85 110 = 100 k (MCP121 only; PU 0.01 0 (Min TRIP DD Transient Duration vs +125°C +25°C - 40° Pull-Up Voltage (V) Open-Drain Leakage ...

Page 11

... PIN DESCRIPTION The descriptions of the pins are listed in Table 3-1. TABLE 3-1: PIN FUNCTION TABLE Pin No. MCP102 Symbol MCP121 MCP103 MCP131 1 1 RST Output State Positive power supply Ground reference SS © 2005 Microchip Technology Inc. MCP102/103/121/131 Function Falling: > TRIP < TRIP Rising: > ...

Page 12

... RST (Reset input) (Active-low Note 1: Resistor R may be required with the PU MCP121 due to the open-drain output. Resistor R may not be required with PU the MCP131 due to the internal pull-up resistor. The MCP102 and MCP103 do not require the external pull-up resistor. FIGURE 4-1: Typical Application Circuit. ...

Page 13

... TRANS 0V Time (µs) FIGURE 4-3: Example of Typical Transient Duration Waveform. © 2005 Microchip Technology Inc. MCP102/103/121/131 4.3 Reset Power-up Timer (t Figure 4-4 illustrates the device current states. While the system is powering down, the device has a low current. This current is dependent on the device V and trip point ...

Page 14

... Using in PICmicro Microcontroller, ICSP™ Applications (MCP121 only) Figure 4-5 shows the typical application circuit for using the MCP121 for voltage superviory function when the PICmicro microcontroller will be programmed via the ICSP feature. Additional information is available in TB087, “Using Voltage Supervisors with PICmicro Microcontroller Systems which Implement In-Circuit Serial Programming™ ...

Page 15

... Microchip Technology Inc. MCP102/103/121/131 Example: MCP102 195I e TO^^ 547256 Example: MCP1xx = Part Number MCP102 MCP103 MCP121 MCP131 MCP1xxT-195I/TT JGNN TGNN MCP1xxT-240ETT JHNN THNN MCP1xxT-270E/TT JJNN TJNN MCP1xxT-300E/TT JKNN TKNN ...

Page 16

... MCP1xxT-270E/LB BJN FJN MCP1xxT-300E/LB BKN FKN MCP1xxT-315E/LB BLN FLN MCP1xxT-450E/LB BMN FMN MCP1xxT-475E/LB BPN FPN Example: MCP1xx = Part Number MCP102 MCP103 MCP121 MCP131 MCP1xxT-195I/LB BGNN FGNN MCP1xxT-240E/LB BHNN FHNN MCP1xxT-270E/LB BJNN FJNN MCP1xxT-300E/LB BKNN FKNN MCP1xxT-315E/LB BLNN FLNN MCP1xxT-450E/LB BMNN FMNN ...

Page 17

... Mold Draft Angle Top Mold Draft Angle Bottom * Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254mm) per side. JEDEC Equivalent: TO-236 Drawing No. C04-104 © 2005 Microchip Technology Inc. MCP102/103/121/131 ...

Page 18

... A2 A1 MILLIMETERS* MIN MAX 3 0.65 BSC. 1.30 BSC. 0.80 1.10 0.80 1.00 0.00 .010 1.80 2.40 1.15 1.35 1.80 2.25 0.10 0.41 0.08 0.25 0.15 0.40 8° 12° 8° 12° © 2005 Microchip Technology Inc. ...

Page 19

... Mold Draft Angle Top Mold Draft Angle Bottom *Controlling Parameter Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254mm) per side. JEDEC Equivalent: TO-92 Drawing No. C04-101 © 2005 Microchip Technology Inc. MCP102/103/121/131 Units INCHES* ...

Page 20

... SOT-23/SC70 DEVICE TAPE AND REEL SPECIFICATIONS Device Marking PIN 1 Standard Reel Component Orientation DS21906B-page Carrier Cavity Dimensions Dimensions 3.15 2.77 1. 2.4 2.4 1.19 User Direction of Feed P W Output Reel Quantity Diameter in Units mm 3000 180 3000 180 W © 2005 Microchip Technology Inc. ...

Page 21

... FIGURE 5-3: TO-92 DEVICE TAPE AND REEL SPECIFICATIONS Device Marking MARK MARK FACE FACE Seal Tape Back Tape Note: Bent leads are for Tape and Reel only. © 2005 Microchip Technology Inc. MCP102/103/121/131 User Direction of Feed P MARK FACE W DS21906B-page 21 ...

Page 22

... MCP102/103/121/131 NOTES: DS21906B-page 22 © 2005 Microchip Technology Inc. ...

Page 23

... APPENDIX A: REVISION HISTORY Revision B (March 2005) The following is the list of modifications: 1. Added Section 4.4 “Using in PICmicro® Microcontroller, ICSP™ (MCP121 only)” on using the MCP121 in PICmicro microcontroller ICSP applications. 2. Added V specifications in Section 1.0 ODH “Electrical Characteristics” applications). 3. Added Figure 2-33. ...

Page 24

... MCP102/103/121/131 NOTES: DS21906B-page 24 © 2005 Microchip Technology Inc. ...

Page 25

... MCP102T: MicroPower Voltage Supervisor, push-pull (Tape and Reel) MCP103: MicroPower Voltage Supervisor, push-pull MCP103T: MicroPower Voltage Supervisor, push-pull (Tape and Reel) MCP121 MicroPower Voltage Supervisor, open-drain MCP121T: MicroPower Voltage Supervisor, open-drain (Tape and Reel) MCP131 MicroPower Voltage Supervisor, open-drain MCP131T: MicroPower Voltage Supervisor, open-drain ...

Page 26

... MCP102/103/121/131 NOTES: DS21906B-page 26 © 2005 Microchip Technology Inc. ...

Page 27

... PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance and WiperLock are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...

Page 28

... Fax: 65-6334-8850 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Taiwan - Hsinchu Tel: 886-3-572-9526 Fax: 886-3-572-6459 © 2005 Microchip Technology Inc. EUROPE Austria - Weis Tel: 43-7242-2244-399 Fax: 43-7242-2244-393 Denmark - Ballerup Tel: 45-4450-2828 Fax: 45-4485-2829 France - Massy Tel: 33-1-69-53-63-20 ...

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