參數(shù)資料
型號(hào): MIC2045-2BTS
廠商: MICREL INC
元件分類: 電源管理
英文描述: SINGLE CHANNEL HIGH CURRENT LOW VOLTAGE, PROTECTED POWER DISTRIBUTION SWITCH
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝: TSSOP-16
文件頁(yè)數(shù): 5/15頁(yè)
文件大?。?/td> 269K
代理商: MIC2045-2BTS
October 2003
5
MIC2044/2045
MIC2044/2045
Micrel
Symbol
Parameter
Condition
Min
Typ
Max
Units
t
FLAG
t
ON
t
R
t
OFF
t
F
Flag Response Delay
V
IN
= V
BIAS
= 3V, 5V
R
LOAD
= 10
, C
LOAD
= 1
μ
F
R
LOAD
= 10
, C
LOAD
= 1
μ
F
R
LOAD
= 10
, C
LOAD
= 1
μ
F
R
LOAD
= 10
, C
LOAD
= 1
μ
F
25
32
40
ms
Output Turn-on Delay
0.75
1
1.25
ms
Output Turn-on Rise Time
1.5
2.5
3.5
ms
Output Turn-off Delay
1
5
μ
s
Output Turn-off Fall Time
24
μ
s
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
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.
Specification for packaged product only.
OFF is V
< 1.0V for MIC2044/MIC2045
1 and V
EN
> 4.0V for MIC2044/MIC2045
2. ON is V
EN
> 4.0V for MIC2044/MIC2045
1 and
V
EN
< 1.0V for MIC2044/MIC2045
2.
The current limit is determined as follows: I
LIM
= CLF/R
SET
.
Note 6.
Timing Diagrams
50%
(a) MIC2044/45-1
(b) MIC2044/45-2
10%
90%
0
V
EN
t
ON
t
OFF
0
V
OUT
50%
10%
90%
0
V
EN
t
ON
t
OFF
0
V
OUT
Figure 1. Turn-On/Turn-Off Delay
0
V
EN
I
LIMIT
0
V
OUT
0
I
OUT
0
/FAULT
t
FLAG
V
IN
0.2V
Increase the load
Figure 2. Overcurrent Fault Response — MIC2044-2
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