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參數(shù)資料
| 型號： | MIC812UU |
| 廠商： | MICREL INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封裝： | SOT-143, SO-4 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 99K |
| 代理商： | MIC812UU |
February 2005
3
MIC811/812
MIC811/812
Absolute Maximum Ratings
(Note 1)
Terminal Voltage (V
CC
) ............................... –0.3V to +6.0V
Input Current (V
CC
, /MR)............................................20mA
Output Current (/RESET, RESET) .............................20mA
Lead Temperature (soldering, 10 sec.) ..................... 300
°
C
Storage Temperature (T
S
) ......................... –65
°
C to 150
°
C
Rate of Rise (V
CC
) .................................................100V/
μ
s
ESD Rating,
Note 3
Electrical Characteristics
For typical values, V
= 5V for MIC8_L/M/J, V
CC
= 3.3V for MIC8_S/T, V
CC
= 3V for MIC8_R; T
A
= 25
°
C,
bold
values indicate –40
°
C
≤
T
A
≤
+85
°
C; unless noted
Symbol
V
CC
T
A
= –40
°
C to 85
°
C
I
CC
V
CC
= 5.0V, no load
MIC811S/T, MIC812S/T
V
CC
= 3.3V, no load
MIC811R, MIC812R: V
CC
= 3.0V, no load
V
TH
MIC811M, MIC812M
MIC811J, MIC812J
MIC811T, MIC812T
MIC811S, MIC812S
MIC811R, MIC812R
t
RST
V
OH
I
SOURCE
= 500
μ
A, MIC811R/S/T
V
OL
V
CC
= V
TH
min., I
SINK
= 1.2mA, MIC811R/S/T
V
CC
> 1.4V, I
SINK
= 50
μ
A, T
A
= 0
°
C to +70
°
C
V
CC
> 1.6V, I
SINK
= 50
μ
A, T
A
= –40
°
to +85
°
C
V
OH
V
OL
I
SINK
= 1.2mA, MIC812R/S/T
/MR Minimum Pulse Width
/MR to Reset Delay
V
IH
MIC81_R/S/T
V
IL
MIC81_R/S/T
/MR Pull-Up Resistance
/MR Glitch Immunity
Note 1.
Note 2.
Note 3.
Micrel, Inc.
Operating Ratings
(Note 2)
Operating Temperature Range
MIC811..................................................... –40
°
C to 85
°
C
MIC812..................................................... –40
C to 85
C
Power Dissipation (T
A
= +70
°
C)..............................320mW
Parameter
Operating Voltage Range
Condition
T
A
= 0
°
C to 70
°
C
Min
1.4
1.6
Typ
Max
5.5
5.5
15
Units
V
V
μ
A
Supply Current
MIC811L/M/J, MIC812L/M/J:
9
6
10
μ
A
6
10
4.75
4.50
4.10
3.15
3.00
2.70
560
μ
A
V
V
V
V
V
V
ms
V
V
V
V
V
V
V
V
V
μ
s
μ
s
V
V
V
Reset Voltage Threshold
MIC811L, MIC812L
4.50
4.25
3.89
3.00
2.85
2.55
140
4.63
4.38
4.00
3.08
2.93
2.63
240
Reset Timeout Period
/RESET Output Voltage
I
SOURCE
= 800
μ
A, MIC811L/M/J
V
CC
–1.5V
0.8
×
V
CC
/RESET Output Voltage
V
CC
= V
TH
min., I
SINK
= 3.2mA, MIC811L/M/J
0.4
0.3
0.3
0.3
RESET Output Voltage
RESET Output Voltage
1.8V < V
CC
< V
TH
min., I
SOURCE
= 150
μ
A
I
SINK
= 3.2mA, MIC812L/M/J
0.8
×
V
CC
0.4
0.3
10
0.5
/MR Input Threshold
V
CC
> V
TH
max., MIC81_L/M/J
2.3
0.7
×
V
CC
/MR Input Threshold
V
CC
. V
TH
max., MIC81-L/M/_
0.8
0.25
×
V
CC
30
10
20
100
k
ns
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
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