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參數(shù)資料
| 型號： | ML4880 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Portable PC/PCMCIA Power Controller(便攜式PC/PCMCIA電源控制器) |
| 中文描述： | 便攜式電腦/ PCMCIA的電源控制器（便攜式電腦/電源控制器的PCMCIA） |
| 文件頁數(shù)： | 3/15頁 |
| 文件大?。?/td> | 164K |
| 代理商： | ML4880 |
ML4880
3
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond
which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and
functional device operation is not implied.
V
IN...............................................................................................
20V
Peak Driver Output Current ........................................ 2A
V
FB
Voltage .........................................GND – 0.3V to 6V
I
SENSE
Voltage.....................................................
±
500mV
All Other Analog Inputs ......... GND – 0.3V to V
IN
+ 0.3V
All Digital Inputs ..................GND – 0.3V to V
REG
+ 0.3V
Junction Temperature ............................................. 150
°
C
Storage Temperature Range .................... –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec) ..................... 150
°
C
Thermal Resistance (
θ
JA
)...................................... 80
°
C/W
OPERATING CONDITIONS
V
IN
Range ..................................................... 5.5V to 18V
Temperature Range
ML4880CS ................................................ 0
°
C to 70
°
C
ML4880ES ............................................. –20
°
C to 70
°
C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
IN
= 14V, C(V
REG
) = 10
μ
F, T
A
= Operating Temperature Range (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Shutdown Inputs
Input Low Voltage
0.8
V
Input High Voltage
2.0
V
Input Bias Current
–1
1
μ
A
Buck Regulator A
Duty Cycle Ratio
V
IN
= 5.5V, I
SENSE
A = V
FB
A = 0V
86
96
%
V
FB
A Threshold Voltage
I
SENSE
A Threshold Voltage
Transition Time
1.21
1.25
1.29
V
–140
–200
–250
mV
C
L
= 1000pF, 0 to V
REG
80
100
ns
Buck Regulator B
Duty Cycle Ratio
V
IN
= 5.5V, I
SENSE
B = V
FB
B = 0V
92
98
%
V
FB
B Threshold Voltage
I
SENSE
B Threshold Voltage
Transition Time
1.21
1.25
1.29
V
–140
–200
–250
mV
C
L
= 1000pF, 0 to V
REG
80
100
ns
Flyback Regulator C
Duty Cycle Ratio
V
IN
= 5.5V, I
SENSE
C = V
FB
C = 0V
V
IN
= 18V, I
SENSE
C = V
FB
C = 0V
86
94
%
61
77
%
V
FB
C Threshold Voltage
I
SENSE
C Threshold Voltage
Transition Time
1.21
1.25
1.29
V
–140
–200
–250
mV
C
L
= 1000pF, 0 to V
REG
80
100
ns
Supply
Linear Regulator Output Voltage
7V
≤
V
IN
≤
18V
I(V
REG
) = 0 to 10mA
SHDN A/B/C = 5V
6.25
6.99
V
Linear Regulator Load Regulation
6.10
6.99
V
V
IN
Current
300
350
μ
A
SHDN A/B/C = 0V
350
400
μ
A
Note 1:
Limits are guaranteed by 100% testing, sampling or correlation with worst case test conditions.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML4880CS | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Portable PC/PCMCIA Power Controller |
| ML4880ES | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Portable PC/PCMCIA Power Controller |
| ML4890 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:High Efficiency, Low Ripple Boost Regulator |
| ML4890CS-3 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:High Efficiency, Low Ripple Boost Regulator |
| ML4890CS-5 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:High Efficiency, Low Ripple Boost Regulator |
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