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参数资料
| 型号： | TC1276-20ENBTR |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封装： | SOT-23B, 3 PIN |
| 文件页数： | 5/12页 |
| 文件大小： | 466K |
| 代理商： | TC1276-20ENBTR |
TC1275/TC1276/TC1277
DS21383B-page 2
2002 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage (VCC to GND) .............................+6.0V
RESET, RESET.......................... -0.3V to (VCC +0.3V)
Input Current, VCC...............................................20mA
Output Current, RESET, RESET .........................20mA
Power Dissipation (TA ≤ 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.
TC1275/TC1276/TC1277 ELECTRICAL SPECIFICATIONS
Recommended DC Operating Conditions: TA = -40°C to +85°C unless otherwise noted. Typical values are at TA =+25°C.
Symbol
Parameter
Min
Typ
Max
Units
Device
Test Conditions
VCC
Supply Voltage
1.2
1.8
—
5.5
V
TC1275, TC1276
TC1277
Note 1
DC Electrical Characteristics: TA = -40°C to +85°C unless otherwise noted. Typical values are at TA =+25°C.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
VOH
Output Voltage @ 0-500
AVCC –0.5V VCC – 0.1V
—
V
TC1275, TC1277 Note 1
IOH
Output Current @ 2.4 Volts
VCC =5V
VCC =2.7V
—
13
1.3
—
mA
TC1275
TC1277
Note 2
IOL
Output Current @ 0.4 Volts
+10
30
—
mA
Note 2, Note 5
ICC
Operating Current
VCC <5.5V
VCCTP <VCC <5.5V
VCC <VCCTP
—
20
350
35
700
A
TC1275, TC1277
TC1276
Note 3
VCCTP-5 VCC Trip Point (TC1275/6/7-5)
2.98
3.06
3.15
V
Note 1
VCCTP-10 VCC Trip Point (TC1275/6/7-10)
2.80
2.88
2.97
V
Note 1
VCCTP-20 VCC Trip Point (TC1275/6/7-20)
2.47
2.55
2.64
V
Note 1
COUT
Output Capacitance
—
9
—
pF
RP
Internal Pull-Up Resistor
3.0
6.0
9.0
k
TC1276
AC Electrical Characteristics: TA = -40°C to +85°C unless otherwise noted. Typical values are at TA =+25°C.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
tRST
RESET Active Time
100
200
300
msec
tRPD1
VCC Detect to RESET
—20
50
sec TC1275, TC1276 VCC(LOW) = 1V, Figure 3-2
tRPD2
VCC Detect to RESET
—
20
50
sec TC1277
VCC(LOW) = 1V, Figure 3-4
tF
VCC Slew Rate
(VCCTP(MAX) to VCCTP(MIN))
300
—
sec
Figure 3-2, Figure 3-4
tR
VCC Slew Rate
(VCCTP(MIN) to VCCTP(MAX))
0
—
nsec
Figure 3-1, Figure 3-3
tRPU1
VCC Detect to RESET
100
200
300
msec TC1275, TC1276 Note 4, Figure 3-1
tRPU2
VCC Detect to RESET
100
200
300
msec TC1277
Note 4, Figure 3-3
Note
1:
All voltages referenced to ground.
2:
Measured with VCC ≥ 2.7 volts.
3:
Measured with RESET output open for TC1275/TC1276; measured with RESET output open for TC1277.
4:
tR =5sec.
5:
A1k
external resistor may be required in some applications for proper operation of the microprocessor reset control circuit when using
the TC1276.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1276-5ENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1276-5ENBTR | 功能描述:监控电路 3-Pin for 3.3V Syst RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| TC1276-XENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1277 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
| TC1277-10ENB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 3.3V Systems |
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