參數(shù)資料
型號(hào)： TC1278-10ENB
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(yè)數(shù)： 2/12頁(yè)
文件大?。?/td> 424K
代理商： TC1278-10ENB
TC1278/TC1279
DS21384B-page 2
2002 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
...............................................20mA
Output Current, RESET.......................................20mA
Power Dissipation (T
A
≤
70°C)
3-Pin SOT-23B (derate 4mW/°C above +70°C)
.................................................................230mW
Operating Temperature Range.............-40°C to +85°C
Storage Temperature Range..............-65°C to +150°C
*Stresses above those listed under "Absolute Maximum
Ratings" 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.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
TC1278/TC1279 ELECTRICAL SPECIFICATIONS
Recommended DC Operating Conditions:
T
A
= -40°C to +85°C unless otherwise noted. Typical values are at T
A
= +25°C.
Symbol
Parameter
Min
Typ
Max
Units
Device
Test Conditions
V
CC
DC Electrical Characteristics:
T
A
= -40°C to +85°C unless otherwise noted. Typical values are at T
A
= +25°C.
Supply Voltage
1.2
—
5.5
V
Note 1
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
V
OL
Low Level @ RESET
RESET
Output Current @ 0.4 Volts
Operating Current
—
—
0.4
V
TC1278
TC1279
Note 1
I
OL
I
CC1
+8
—
—
—
—
4.50
4.25
4.00
—
3
—
0.9
—
—
0.9
4.625
4.375
4.125
9
6
—
2.0
40
40
2.0
4.74
4.49
4.24
—
9
mA
mA
μ
A
μ
A
mA
V
V
V
pF
k
Note 2
V
CC
> V
CCTP(MAX)
V
CC
> V
CCTP(MAX)
V
CC
< V
CCTP(MIN)
V
CC
< V
CCTP(MIN)
Note 1
Note 1
Note 1
TC1278
TC1279
TC1278
TC1279
I
CC2
Operating Current
V
CCTP-5
V
CCTP-10
V
CC
Trip Point (TC1278/9-10)
V
CCTP-15
V
CC
Trip Point (TC1278/9-15)
C
OUT
Output Capacitance
R
P
Internal Pull-Up Resistor
AC Electrical Characteristics:
T
A
= -40°C to +85°C unless otherwise noted. Typical values are at T
A
= +25°C.
V
CC
Trip Point (TC1278/9-5)
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
t
RST
t
RPD1
t
RPD2
t
F
RESET Active Time
V
CC
Detect to RESET
V
CC
Detect to RESET
V
CC
Slew Rate
(4.75V-4.00V)
V
CC
Slew Rate
(4.00V-4.75V)
V
CC
Detect to RESET
V
CC
Detect to RESET
All voltages referenced to ground.
A 1k
external resistor may be required in some applications for proper operation of the microprocessor reset control circuit when using
the TC1279. V
CC
= 1.8V.
250
—
—
300
350
2
2
—
450
5
5
—
msec
μ
sec
μ
sec
μ
sec
TC1279
TC1278
Figure 3-2
Figure 3-4
Figure 3-2, Figure 3-4
t
R
0
—
—
nsec
Figure 3-1, Figure 3-3
t
RPU1
t
RPU2
Note
250
250
350
350
450
450
msec TC1279
msec TC1278
Figure 3-1
Figure 3-3
1:
2:
相關(guān)PDF資料
PDF描述
TC1279-10ENB 3-Pin Reset Monitors for 5V Systems
TC1278 3-Pin Reset Monitors for 5V Systems
TC1278-15ENB 3-Pin Reset Monitors for 5V Systems
TC1278-5ENB Fast Recovery Power Rectifier; Repetitive Reverse Voltage Max, Vrrm:200V; Forward Current Avg Rectified, IF(AV):3A; Non Repetitive Forward Surge Current Max, Ifsm:150A; Reverse Recovery Time, trr:50ns; Forward Voltage Max, VF:1V
TC1279 3-Pin Reset Monitors for 5V Systems
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TC1278-10ENBTR 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(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)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
TC1278-15ENB 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems
TC1278-15ENBTR 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(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)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
TC1278-5ENB 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems
TC1278-5ENBTR 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(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)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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