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參數(shù)資料
| 型號： | ML4872 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | High Current Boost Regulator with Shutdown(帶關斷電路的大電流升壓穩(wěn)壓器) |
| 中文描述： | 高電流升壓關斷穩(wěn)壓器（帶關斷電路的大電流升壓穩(wěn)壓器） |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 196K |
| 代理商： | ML4872 |
3
ML4872
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
OUT
..........................................................................7V
Voltage on any other pin .....GND – 0.3V to V
OUT
+ 0.3V
Peak Switch Current (I
PEAK
).........................................2A
Average Switch Current (I
AVG
).....................................1A
Junction Temperature.............................................. 150oC
Storage Temperature Range ......................–65oC to 150oC
Lead Temperature (Soldering 10 sec) ...................... 260oC
Thermal Resistance (
q
JA
).................................... 160oC/W
OPERATING CONDITIONS
Temperature Range
ML4872CS-X.............................................. 0oC to 70oC
ML4872ES-X ...........................................–20oC to 70oC
V
IN
Operating Range
ML4872CS-X................................ 1.8V to V
OUT
– 0.2V
ML4872ES-X ................................ 2.0V to V
OUT
– 0.2V
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
IN
= Operating Voltage Range, T
A
= Operating Temperature Range (Note 1).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY
I
IN
V
IN
Current
V
IN
= V
OUT
– 0.2V
2
5
μA
I
OUT(Q)
V
OUT
Quiescent Current
SHDN = 0V
25
35
μA
SHDN = V
IN
15
22
μA
I
L(Q)
V
L
Quiescent Current
1
μA
PFM REGULATOR
I
L
Peak Current
1.2
1.4
1.7
A
V
OUT
Output Voltage
I
L(PEAK)
= 0
-3 Suffix
3.30
3.35
3.40
V
-5 Suffix
4.95
5.05
5.15
V
Load Regulation
See Figure 1, -3 Suffix
V
IN
= 2.4V, I
OUT
= 400mA
3.20
3.25
3.40
V
See Figure 1, -5 Suffix
V
IN
= 2.4V, I
OUT
= 220mA
4.85
4.95
5.15
V
SHUTDOWN
Input Bias Current
–100
100
nA
Shutdown Threshold
V
SHDN
= high to low
0.4
0.6
1.1
V
Note 1:
Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ML4872CS3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ML4872CS-3 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:High Current Boost Regulator with Shutdown |
| ML4872CS3X | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ML4872CS5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ML4872CS-5 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:High Current Boost Regulator with Shutdown |
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