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参数资料
| 型号： | TC1273-5ENB |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封装： | PLASTIC, SOT-23, 3 PIN |
| 文件页数： | 5/12页 |
| 文件大小： | 477K |
| 代理商： | TC1273-5ENB |
TC1272/TC1273/TC1274
DS21382C-page 2
2007 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..............................................20 mA
Output Current, RESET, RESET........................20 mA
Power Dissipation (TA ≤ 70°C)
3-Pin SOT-23 (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, TA = -40°C to +85°C. Typical values are at TA = +25°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Supply Voltage
TC1272, TC1273
VCC
1.2
—
5.5
V
TC1274
VCC
1.8
—
5.5
V
Output Voltage @ 0-500 A
VOH
VCC – 0.5V VCC – 0.1V
—
V
TC1272, TC1274 (Note 1)
Output Current @ 2.4 Volts
VCC = 5V TC1272
IOH
—10
—
mA
VCC = 4V TC1274
IOH
—8
—
mA
Output Current @ 0.4 Volts
IOL
+10
30
—
mA
Operating Current
VCC < 5.5V: TC1272, TC1274
ICC
—17
40
A
VCCTP < VCC < 5.5V: TC1273
ICC
—17
40
A
VCC < VCCTP: TC1273
ICC
—
700
1200
A
VCC Trip Point (TC1272/3/4-5) VCCTP-5
4.50
4.62
4.75
V
VCC Trip Point (TC1272/3/4-10) VCCTP-10
4.25
4.37
4.49
V
VCC Trip Point (TC1272/3/4-15) VCCTP-15
4.00
4.12
4.24
V
Output Capacitance
COUT
—9
—
pF
Internal Pull-Up Resistor
RP
36
9
k
Ω
AC Electrical Characteristics: TA = -40°C to +85°C unless otherwise noted. Typical values are at TA = +25°C.
RESET Active Time
tRST
100
200
300
ms
VCC Detect to RESET
TC1272, TC1273
tRPD1
—20
50
s
VCC Detect to RESET - TC1274
tRPD2
—20
50
s
VCC Slew Rate
(VCCTP(MAX) to VCCTP(MIN))
tF
300
—
s
VCC Slew Rate
(VCCTP(MIN) to VCCTP(MAX))
tR
0
—
ns
VCC Detect to RESET
TC1272, TC1273
tRPU1
100
200
300
ms
VCC Detect to RESET - TC1274
tRPU2
100
200
300
ms
Note 1: All voltages referenced to ground.
2: Measured with VCC ≥ 2.7 volts.
3: Measured with RESET output open for TC1272/TC1273; measured with RESET output open for TC1274.
4: tR = 5 s.
5: A 1 k
Ω external resistor may be required in some applications for proper operation of the microprocessor reset control
circuit when using the TC1273.
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相关代理商/技术参数 |
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| TC1273-5ENBTR | 功能描述:监控电路 3-Pin for 5V Systems 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 |
| TC1274 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:3-Pin Reset Monitors for 5V Systems |
| TC1274-10ENBTR | 功能描述:监控电路 3-Pin for 5V Systems 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 |
| TC1274-15ENBTR | 功能描述:监控电路 3-Pin for 5V Systems 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 |
| TC1274-5ENBTR | 功能描述:监控电路 3-Pin for 5V Systems 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 |
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