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參數(shù)資料
| 型號(hào)： | MC33984 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國(guó))有限公司 |
| 英文描述： | Dual Intelligent High-Current Self-Protected Silicon High-Side Switch (4.0 mOhm)(雙智能大電流帶自保護(hù)功能的硅高端開(kāi)關(guān)（4mOhm）) |
| 中文描述： | 雙智能大電流的自我保護(hù)硅高邊開(kāi)關(guān)（4.0毫歐）（雙智能大電流帶自保護(hù)功能的硅高端開(kāi)關(guān)（4mOhm）） |
| 文件頁(yè)數(shù)： | 12/24頁(yè) |
| 文件大小： | 783K |
| 代理商： | MC33984 |
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33984
12
Go to: www.freescale.com
DYNAMIC ELECTRICAL CHARACTERISTICS (continued)
Characteristics noted under conditions 4.5 V
≤
V
DD
≤
5.5 V, 6.0 V
≤
V
PWR
≤
27 V, -40
°
C
≤
T
J
≤
150
°
C unless otherwise noted. Typical
values noted reflect the approximate parameter mean at T
A
= 25
°
C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
SPI INTERFACE CHARACTERISTICS
Recommended Frequency of SPI Operation
f
SPI
–
–
3.0
MHz
Required Low State Duration for
RST
(Note 24)
t
WRST
–
50
350
ns
Rising Edge of
CS
to Falling Edge of
CS
(Required Setup Time) (Note 25)
t
CS
–
–
300
ns
Rising Edge of
RST
to Falling Edge of
CS
(Required Setup Time) (Note 25)
t
ENBL
–
–
5.0
μ
s
Falling Edge of
CS
to Rising Edge of SCLK (Required Setup Time) (Note 25)
t
LEAD
–
50
167
ns
Required High State Duration of SCLK (Required Setup Time) (Note 25)
t
WSCLKh
–
–
167
ns
Required Low State Duration of SCLK (Required Setup Time) (Note 25)
t
WSCLKl
–
–
167
ns
Falling Edge of SCLK to Rising Edge of
CS
(Required Setup Time) (Note 25)
t
LAG
–
50
167
ns
SI to Falling Edge of SCLK (Required Setup Time) (Note 26)
t
SI(SU)
–
25
83
ns
Falling Edge of SCLK to SI (Required Setup Time) (Note 26)
t
SI(HOLD)
–
25
83
ns
SO Rise Time
C
L
= 200 pF
t
RSO
–
25
50
ns
SO Fall Time
C
L
= 200 pF
t
FSO
–
25
50
ns
SI,
CS
, SCLK, Incoming Signal Rise Time (Note 26)
t
RSI
–
–
50
ns
SI,
CS
, SCLK, Incoming Signal Fall Time (Note 26)
t
RSI
–
–
50
ns
Time from Falling Edge of
CS
to SO Low Impedance (Note 27)
t
SO(EN)
–
–
145
ns
Time from Rising Edge of
CS
to SO High Impedance (Note 28)
t
SO(DIS)
–
65
145
ns
Time from Rising Edge of SCLK to SO Data Valid (Note 29)
0.2 V
DD
≤
SO
≥
0.8 V
DD
, C
L
= 200 pF
t
VALID
–
65
105
ns
Notes
24.
25.
26.
27.
28.
29.
RST
low duration measured with outputs enabled and going to OFF or disabled condition.
Maximum setup time required for the 33984 is the minimum guaranteed time needed from the microcontroller.
Rise and Fall time of incoming SI,
CS
, and SCLK signals suggested for design consideration to prevent the occurrence of double pulsing.
Time required for output status data to be available for use at SO. 1.0 k
on pull-up on
CS
.
Time required for output status data to be terminated at SO. 1.0 k
on pull-up on
CS
.
Time required to obtain valid data out from SO following the rise of SCLK.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
.
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| MC33984BPNA | 功能描述:電源開(kāi)關(guān) IC - 配電 SPD4 RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33984BPNAR2 | 功能描述:電源開(kāi)關(guān) IC - 配電 SPD4 RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33984CHFK | 功能描述:電源開(kāi)關(guān) IC - 配電 Dual 4mOhms smart RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33984CHFKR2 | 功能描述:電源開(kāi)關(guān) IC - 配電 Dual 4mOhms smart RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33984PNA | 制造商:Freescale Semiconductor 功能描述:POWER SWITCH HI SIDE 30A 16-PIN QFN - Trays |
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