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參數(shù)資料
型號(hào): MIC2070-2PCQS TR
廠商: Micrel Inc
文件頁(yè)數(shù): 9/13頁(yè)
文件大小: 0K
描述: IC USB PWR CTRLR DUAL 16-QSOP
標(biāo)準(zhǔn)包裝: 2,500
控制器類型: USB 電源控制器
接口: USB
電源電壓: 4.5 V ~ 5.5 V
電流 - 電源: 1mA
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-QSOP
包裝: 帶卷 (TR)
其它名稱: MIC2070-2PCQSTR
MIC2070-2PCQSTR-ND
January 2005
5
M9999-101104
MIC2010/2070
Micrel
Symbol
Parameter
Condition
Min
Typ
Max
Units
V
OH
FAULT1, 2 Output High Voltage
I
FAULT = –20A4
V
(MIC2010-1P, 2P), (MIC2070-1P, 2P)
T
H
MAIN to S3# Hold Time, Note 7
Figure 5
5
ms
T
S
MAIN to S3# Set-up Time, Note 7
Figure 5
0
ms
t
DLY
FAULT Delay Filter Response Time
Output shorted to ground, Figure 4
5
10
20
ms
(Overcurrent only), Note 8
t
OC
Overcurrent Response Time
Output shorted to ground, Figure 4
MAIN output
2
s
AUX output
2
s
t
ON(MAIN)
MAIN Output Turn-On Time
R
L = 10, CL = 1F, Figure 3
2
ms
t
OFF(MAIN)
MAIN Output Turn-Off Time
R
L = 10, CL = 1F, Figure 3
35
s
t
r(MAIN)
MAIN Output Rise Time
R
L = 10, CL = 1F, Figure 3
2
ms
t
f(MAIN)
MAIN Output Fall Time
R
L = 10, CL = 1F, Figure 3
32
s
t
ON(AUX)
AUX Output Turn-On Time
R
L = 50, CL = 1F, Figure 3
0.6
ms
t
OFF(AUX)
AUX Output Turn-Off Time
R
L = 50, CL = 1F, Figure 3
120
s
t
r(AUX)
AUX Output Rise Time
R
L = 50, CL = 1F, Figure 3
0.5
ms
t
f(AUX)
AUX Output Fall Time
R
L = 50, CL = 1F, Figure 3
115
s
t
XMA
MAIN to AUX
S3# transition to 0
5
7.5
ms
Cross Conduction Time, Note 9
t
XAM
AUX to MAIN
S3# transition to 1
5
7.5
ms
Cross Conduction Time, Note 9
Notes:
1.
Exceeding the absolute maximum rating may damage the device.
2.
The device is not guaranteed to function outside its operating rating.
3.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
4.
All voltages are referenced to ground.
5.
For MIC2070-1(P) OFF occurs when V
EN < 0.8V and ON occurs when VEN > 2.4V. For MIC2070-2(P) OFF occurs when VEN > 2.4V and ON
occurs when V
EN < 0.8V.
6.
Current-limit threshold is defined by the current-limit factor divided by R
SET.
7.
Guaranteed by design. Not production tested.
8.
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.
9.
Cross conduction time is the duration in which both MAIN and AUX internal switches are on subsequent to S3# transitioning.
Test Circuit
Device
Under
Test
CL
OUT
RL
VOUT
IOUT
Timing Diagram
90%
VOUT
10%
90%
10%
tr
tf
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