參數(shù)資料
型號： MIC2072-2CQS
廠商： MICREL INC
元件分類： 電源管理
英文描述： USB Power Controller Advance Information
中文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝： QSOP-16
文件頁數(shù)： 5/10頁
文件大?。?/td> 56K
代理商： MIC2072-2CQS
September 2000
5
MIC2012/2072
MIC2012
Micrel
Symbol
Parameter
Condition
Min
Typ
Max
Units
V
TH LATCH
Latch Reset Threshold
(MIC2072, MIC2072-x only)
V
OUT
Rising
1.95
V
Minimum Output Slew Rate
to Reset Latch
(MIC2072, MIC2072-x only),
Note 6
.4
V/s
Overtemperature Threshold
T
J
increasing, single channel
T
J
decreasing, single channel
T
J
increasing, both channels
T
J
decreasing, both channels
I
FAULT
= 5mA
I
FAULT
=
–
20
μ
A
140
120
160
150
°
C
°
C
°
C
°
C
V
OL
V
OH
FAULT Output Low Voltage
0.2
V
FAULT Output High Voltage
(MIC2012-1P,-2P),(MIC2072-1P,-2P)
4
V
FAULT Output Off Current
(Not Applicable to 'P' Options)
V
FAULT
= 5V
.2
10
μ
A
T
H
T
S
t
DLY
MAIN to S3# Hold Time,
Note 6
Figure 5
5
ms
MAIN to S3# Set-up Time,
Note 6
Figure 5
0
ms
FAULT Delay Filter Response Time
(Overcurrent only),
Note 7
Output shorted to ground, Figure 4
5
10
20
ms
t
OC
Overcurrent Response Time
Output shorted to ground, Figure 4
MAIN output
AUX output
2
2
μ
s
μ
s
t
ON(MAIN)
t
OFF(MAIN)
MAIN Output Turn-On Time
R
L
= 10
, C
L
= 1
μ
F, Figure 3
R
L
= 10
, C
L
= 1
μ
F, Figure 3
2
ms
MAIN Output Turn-Off Time
(MIC20x2-x only)
35
μ
s
t
r(MAIN)
t
f(MAIN)
MAIN Output Rise Time
R
L
= 10
, C
L
= 1
μ
F, Figure 3
R
L
= 10
, C
L
= 1
μ
F, Figure 3
2
ms
MAIN Output Fall Time
(MIC20x2-x only)
32
μ
s
t
ON(AUX)
t
OFF(AUX)
AUX Output Turn-On Time
R
L
= 50
, C
L
= 1
μ
F, Figure 3
R
L
= 50
, C
L
= 1
μ
F, Figure 3
0.6
ms
AUX Output Turn-Off Time
(MIC20x2-x only)
120
μ
s
t
r(AUX)
t
f(AUX)
AUX Output Rise Time
R
L
= 50
, C
L
= 1
μ
F, Figure 3
R
L
= 50
, C
L
= 1
μ
F, Figure 3
0.5
ms
AUX Output Fall Time
(MIC20x2-x only)
115
μ
s
t
XMA
MAIN to AUX
Cross Conduction Time,
Note 8
S3# transition to 0
5
7.5
ms
t
XAM
AUX to MAIN
Cross Conduction Time,
Note 8
S3# transition to 1
5
7.5
ms
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.
All voltages are referenced to ground.
For MIC20x2-1(P) OFF occurs when V
EN
< 0.8V and ON occurs when V
EN
> 2.4V. For MIC20x2-2(P) OFF occurs when V
EN
> 2.4V and ON
occurs when V
EN
< 0.8V.
Guaranteed by design. Not production tested.
Assumes only one channel in current-limit. Delay circuitry is shared among channels so it is possible for t
DLY
to be 40ms max if one channel
enters current-limit as the other is about to time-out.
Cross conduction time is the duration in which both MAIN and AUX internal switches are on subsequent to S3# transitioning.
Note 6.
Note 7.
Note 8.
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相關代理商/技術參數(shù)
參數(shù)描述
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