參數(shù)資料
型號(hào)： MIC2755BMM
廠商： MICREL INC
元件分類(lèi)： 電源管理
英文描述： Battery System Supervisor Preliminary Information
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： MSOP-8
文件頁(yè)數(shù)： 3/12頁(yè)
文件大?。?/td> 79K
代理商： MIC2755BMM
February 2000
3
MIC2755
MIC2755
Absolute Maximum Ratings
(Note 1)
Supply Voltage (V
DD
) .....................................
–
0.3V to +7V
Input Voltage (V
RTH
), (V
NTH
), (V
PTH
) .............
–
0.3V to +7V
Output Voltage (V
/RST
), (V
/NMI
), (V
/POF
) ........
–
0.3V to +7V
/RST Output Current (I
/RST
) .......................................20mA
Storage Temperature (T
S
) .......................
–
65
°
C to +150
°
C
ESD Rating,
Note 3
......................................................2kV
Micrel
Operating Ratings
(Note 2)
Supply Voltage (V
DD
) .................................. +1.5V to +5.5V
Input Voltage (V
RTH
), (V
NTH
), (V
PTH
) .............
–
0.3V to +6V
Output Voltage (V
/RST
), (V
/NMI
), (V
/POF
) ........
–
0.3V to +6V
Ambient Temperature Range (T
A
) .............
–
40
°
C to +85
°
C
Package Thermal Resistance
1-layer PCB
(θ
JA
) ..............................................206
°
C/W
4-layer PCB
(θ
JA
) ..............................................113
°
C/W
Electrical Characteristics
V
DD
= 3.3V; T
A
= 25
°
C,
bold
values indicate
–
40
°
C
≤
T
A
≤
+85
°
C; unless noted
Symbol
Parameter
Condition
Min
Typ
Max
Units
I
DD
Operating Supply Current
outputs open, V
RTH
, V
NTH
, V
PTH
> 1.24V
outputs open, V
RTH
, V
NTH
, V
PTH
< 1.24V
2.0
4.0
μ
A
1.7
μ
A
I
RTH(/MR)
,
I
NTH
, I
PTH
,
I
/RST
,
I
/NMI
,
I
/POF
V
REF1
V
REF2
V
HYST
Leakage Current
5
pA
nA
10
Threshold Voltage
for RTH(/MR) and PTH inputs
1.215
1.240
1.265
V
Threshold Voltage
for NTH inputs
1.215
1.240
1.265
V
Hysteresis Voltage on NTH
Comparator
20
mV
Reset Output (/RST)
t
/RST
t
/MR
V
/RST
Reset Pulse Width
700
1200
ms
Manual Reset Pulse Width
175
300
ms
/RST Output Voltage Low,
Note 4
/RST asserted, I
SINK
= 1.6mA, V
DD
≥
1.6V
/RST asserted, I
SINK
= 100
μ
A, V
DD
≥
1.2V
0.3
V
0.4
V
Reset Input [RTH(/MR)]
V
/MRTV
t
DBNC
t
PROP
Manual Reset Trip Voltage
275
310
345
mV
Debounce Time
V
/MRTV(min)
< V
RTH
< V
/MRTV(max)
,
Note 5
from (V
/MR
< V
RTH(/MR)(min)
–
100mV)
to RST Asserted
22
38
ms
Propogation Delay
9
μ
s
Nonmaskable Interrupt Output (/NMI)
t
PROP
Propagation Delay
(V
REF(max)
+ 100mV) < V
NTH
< (V
REF(min)
–
100mV)
9
μ
s
V
/NMI
/NMI Output Voltage Low
/NMI asserted, I
SINK
= 1.6mA, V
DD
≥
1.6V
/NMI asserted, I
SINK
= 100
μ
A, V
DD
≥
1.2V
0.3
V
0.4
V
Power-Off Output (/POF)
t
PROP
Propagation Delay
(V
REF(max)
+ 100mV) < V
PTH
< (V
REF(min)
–
100mV)
9
μ
s
V
/POF
/POF Output Voltage Low
/POF asserted, I
SINK
= 1.6mA, V
DD
≥
1.6V
/POF asserted, I
SINK
= 100
μ
A, V
DD
≥
1.2V
0.3
V
0.4
V
Note 1.
Note 2.
Note 3.
Note 4.
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, 100pF in series with 1.5k .
V
DD
operating range is 1.5V to 5.5V. Output is guaranteed to be held low down to V
DD
= 1.2V.
t
32
8
Note 5.
t
t
DBNC
/RST
/MR
=
=
. These relationships are guaranteed by design.
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