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参数资料
| 型号： | TC71COA |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8 |
| 封装： | SO-8 |
| 文件页数： | 2/9页 |
| 文件大小： | 67K |
| 代理商： | TC71COA |
2
MICROMASTER – SYSTEM
SUPERVISOR WITH POWER SUPPLY
MONITOR, WATCHDOG AND
BATTERY BACKUP
TC70
TC71
*This is a stress rating only and functional operation of the device at these
or any other conditions above those indicated in the operational sections of
the specifications is not implied. Exposure to Absolute Maximum Rating
Conditions for extended periods may affect device reliability.
ABSOLUTE MAXIMUM RATINGS*
Voltage (Any Pin) with Respect to
Ground ................................ GND – 0.3 to VCC + 0.3V
Operating Temperature Range ............... – 40
°C to +85°C
Storage Temperature Range ................ – 65
°C to +150°C
Lead Temperature (Soldering, 10 sec) ................. +300
°C
ELECTRICAL CHARACTERISTICS:
Recommended DC Operations: TA = TMIN to TMAX, unless otherwise specified.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VCC
Supply Voltage
Note 1
4.5
5.0
5.5
V
VIH
Input HIGH Level
CEI, WDD (Note 1)
2.5
—
V
RS (Note 1)
2.2
—
VIL
Input LOW Level
CEI, WDD, RS (Note 1)
—
0.8
V
ELECTRICAL CHARACTERISTICS:
DC: TA = TMIN to TMAX, VCC = 4.5V to 5.5V, unless otherwise specified.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
ICC1
Operating Current
Notes 2, 3
—
5
6.5
mA
ICC2
Operating Current in
VCC = 0; VBATT = 2.8V; (Note 3)
—
0.01
0.20
A
Battery Backup Mode
IIH
Input Leakage
CEI
—
4
7
A
IIL
Input Leakage
CEI
—
1
—
A
IIH
Input Leakage
RS
—
1
—
A
ISTBY
Battery Standby Current
5.5V > VCC > VBATT + 0.2V
– 1.0
—
0.02
A
ISTBY
Battery Standby Current
5.5V > VCC > VBATT + 0.2V
– 0.1
—
0.02
A
TA = 25°C
ELECTRICAL CHARACTERISTICS:
DC: Power Supply Monitor, EXT. RESET and Watchdog: TA = TMIN to TMAX, VCC = 4.5V to 5.5V, unless otherwise specified.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
IOL
Output Current 0.4V
VOL = 0.4V
2
5
—
mA
(RS, TDO, CEO, PF Pins)
IOH
Output Current 2.4V
VOH = 2.4V
2
3
—
mA
(TDO, CEO, PF Pins)
WDDI
WDD Input Current
WDD = GND
– 120
—
A
WDD = VCC
——
25
VSTH
RS Strobe (HIGH) Level
Figure 3 (Note 1)
VDD – 0.5
—
V
VSTL
RS Strobe (LOW) Level
Figure 3 (Note 1)
2.2
—
VDD – 1.8
V
VCCTRIP
VCC Trip Point
(Note 1) 0
°C ≤ TA ≤ 70°C
4.25
—
4.49
– 40
°C ≤ TA ≤ 85°C
4.20
4.49
ELECTRICAL CHARACTERISTICS:
DC: Battery Backup and Threshold Detector: TA = TMIN to TMAX, VCC = 4.5V to 5.5V, unless otherwise specified.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VOUT1
VCCO Output Voltage
IOUT = 1mA
VCC – 0.3
VCC – 0.1
—
V
IOUT = 50mA
VCC – 0.5 VCC – 0.20
—
VOUT2
VOUT in Battery Backup Mode
IOUT = 250A, VCC < VBATT – 0.2, VBATT = 2.8V VBATT – 0.1 VBATT – 0.02
—
V
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