參數(shù)資料
型號(hào)： TC1273
廠商： Microchip Technology Inc.
英文描述： 3-Pin Reset Monitors for 5V Systems
中文描述： 3引腳復(fù)位監(jiān)控器的5V系統(tǒng)
文件頁數(shù)： 2/12頁
文件大?。?/td> 221K
代理商： TC1273
TC1272/TC1273/TC1274
DS21382B-page 2
2003 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings
Supply Voltage (V
CC
to GND) .............................+6.0V
RESET, RESET..........................-0.3V to (V
CC
+ 0.3V)
Input Current, V
CC
..............................................20 mA
Output Current, RESET, RESET........................20 mA
Power Dissipation (T
A
≤
70°C)
3-Pin SOT-23B (derate 4 mW/°C above +70°C)
................................................................230 mW
Operating Temperature Range.............-40°C to +85°C
Storage Temperature Range..............-65°C to +150°C
Stresses above those listed under "Absolute Maximum Rat-
ings" may cause permanent damage to the device. These are
stress ratings only and functional operation of the device at
these or any other conditions above those indicated in the
operation sections of the specifications is not implied. Expo-
sure to Absolute Maximum Rating conditions for extended
periods may affect device reliability.
DC CHARACTERISTICS
Electrical Specifications:
Unless otherwise noted, T
A
= -40°C to +85°C. Typical values are at T
A
= +25°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Supply Voltage
TC1272, TC1273
V
CC
V
CC
V
OH
1.2
—
5.5
V
Note 1
TC1274
1.8
—
5.5
V
Output Voltage @ 0-500 μA
V
CC
– 0.5V
V
CC
– 0.1V
—
V
TC1272, TC1274
(Note 1)
Output Current @ 2.4 Volts
V
CC
= 5V TC1272
V
CC
= 4V TC1274
I
OH
I
OH
I
OL
—
10
—
mA
Note 2
—
8
—
mA
Output Current @ 0.4 Volts
+10
30
—
mA
Note 2
,
Note 5
Operating Current
V
CC
< 5.5V: TC1272, TC1274
V
CCTP
< V
CC
< 5.5V: TC1273
V
CC
< V
CCTP
: TC1273
V
CC
Trip Point (TC1272/3/4-5)
V
CC
Trip Point (TC1272/3/4-10) V
CCTP-10
V
CC
Trip Point (TC1272/3/4-15) V
CCTP-15
Output Capacitance
I
CC
I
CC
I
CC
—
17
40
μA
Note 3
—
17
40
μA
Note 3
—
700
1200
μA
Note 3
V
CCTP-5
4.50
4.62
4.75
V
Note 1
4.25
4.37
4.49
V
Note 1
4.00
4.12
4.24
V
Note 1
C
OUT
R
P
—
9
—
pF
k
Internal Pull-Up Resistor
3
6
9
AC Electrical Characteristics:
T
A
= -40°C to +85°C unless otherwise noted. Typical values are at T
A
= +25°C.
RESET Active Time
t
RST
100
V
CC
Detect to RESET
TC1272, TC1273
200
300
msec
t
RPD1
—
20
50
μsec
V
CC(LOW)
= 1V, Figure 4-2
V
CC
Detect to RESET - TC1274
V
CC
Slew Rate
(V
CCTP
(MAX) to V
CCTP
(MIN))
V
CC
Slew Rate
(V
CCTP
(MIN) to V
CCTP
(MAX))
V
CC
Detect to RESET
TC1272, TC1273
t
RPD2
t
F
—
20
50
μsec
V
CC(LOW)
= 1V, Figure 4-4
Figure 4-2, Figure 4-4
300
—
—
μsec
t
R
0
—
—
nsec
Figure 4-1, Figure 4-3
t
RPU1
100
200
300
msec
Note 4
, Figure 4-1
V
CC
Detect to RESET - TC1274
Note
1:
All voltages referenced to ground.
2:
Measured with V
CC
≥
2.7 volts.
3:
Measured with RESET output open for TC1272/TC1273; measured with RESET output open for TC1274.
4:
t
R
= 5 μsec.
5:
A 1 k
external resistor may be required in some applications for proper operation of the microprocessor reset control
circuit when using the TC1273.
t
RPU2
100
200
300
msec
Note 4
, Figure 4-3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TC1273-10ENBTR 功能描述:監(jiān)控電路 3-Pin for 5V Systems RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TC1273-15ENBTR 功能描述:監(jiān)控電路 3-Pin for 5V Systems RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TC1273-5ENBTR 功能描述:監(jiān)控電路 3-Pin for 5V Systems RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TC1274 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems
TC1274-10ENBTR 功能描述:監(jiān)控電路 3-Pin for 5V Systems RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
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