TC1270ATVRCTR Microchip Technology, TC1270ATVRCTR Datasheet - Page 6

• Manufacturer Part Number: TC1270ATVRCTR
• Description: IC,Power Supply Supervisor,TO-253,4PIN,PLASTIC
• Manufacturer: Microchip Technology
• Type: Simple Reset/Power-On Resetr

Specifications of TC1270ATVRCTR

• Number Of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 3.08V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-143, SOT-143B, TO-253AA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TC1270A/70AN/71A
TIMING DIAGRAMS AND SPECIFICATIONS
MR Pin and Reset Pin Waveform
Device Voltage and Reset Pin (Active Low) Waveform
Reset and Device Reset Timer Requirements
DS22035C-page 6
Electrical Characteristics: Unless otherwise noted, V
V
V
Reset Active
Time Out
Period
MR Minimum Pulse Width
MR Noise Immunity
MR to Reset Propagation Delay
Note 1:
V
Note 1:
DD
DD
DD
V
RST
RST
to Reset Delay
DD
= 3V for R version, T
< 1V is outside the device operating specification. The RST (or RST) output state is unknown while V
2:
3:
(1)
MR
RST
RST
Unless otherwise stated, data in the Typical (“Typ”) column is at 5V, +25C.
RST output for TC1270A, RST output for TC1271A.
TC127XA refers to the TC1270A, TC1270AN, or TC1271A device.
“x” indicates the selected voltage trip point, while “yy” indicates the package code.
V
The TC1270AN requires an external pull-up resistor.
1V
TRIP(MIN)
Parameter
TC127XAxBVyy
TC127XAxAVyy
TC127XAxVyy
V
TRIP
A
= -40°C to +125°C. Typical values are at T
V
TRIP(MAX)
(3)
(3)
(3)
t
t
RST
MRNI
t
Sym
t
MRNI
t
t
t
RST
RD
MR
MD
t
MR
t
MD
1.09
17.5
Min
140
10
—
—
—
DD
= 5V for L/M versions, V
t
RST
Typ
2.19
280
0.1
0.2
50
35
—
(1)
A
Max
4.38
560
= +25°C.
70
—
—
—
—
t
RD
Units
ms
ms
ms
µs
µs
µs
µs
DD
= 3.3V for T/S versions,
 2010 Microchip Technology Inc.
V
V
V
V
V
DD
TRIP(MIN)
DD
DD
DD
= V
= V
= V
= V
Test Conditions
TRIP(MAX)
TRIP(MAX)
TRIP(MAX)
TRIP(MAX)
–125 mV
t
RST
to
DD
< 1V.