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參數(shù)資料
| 型號： | ML4950 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Adjustable Output, Low Current Single Cell Boost Regulator with Detect(帶低電檢測電路的輸出可調(diào)、低電流單節(jié)電池上電升壓穩(wěn)壓器) |
| 中文描述： | 可調(diào)輸出，低電流的單電池升壓穩(wěn)壓器與檢測（帶低電檢測電路的輸出可調(diào)，低電流單節(jié)電池上電升壓穩(wěn)壓器） |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 284K |
| 代理商： | ML4950 |
ML4950
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
OUT...............................................................................................
7V
Voltage on Any Other Pin ..... GND - 0.3V to V
OUT
+ 0.3V
Peak Switch Current (I
PEAK
)..........................................1A
Average Switch Current (I
AVG
) ..............................250mA
Junction Temperature..............................................150oC
Storage Temperature Range...................... –65oC to 150oC
Lead Temperature (Soldering, 10 sec)......................150oC
Thermal Resistance (
q
JA
) .................................... 160oC/W
OPERATING CONDITIONS
Temperature Range
ML4950CS-X.............................................. 0oC to 70oC
ML4950ES-X ........................................... -20oC to 70oC
V
IN
Operating Range
ML4950CS-X................................. 1.0V to V
OUT
- 0.2V
ML4950ES-X ................................. 1.1V to V
OUT
- 0.2V
V
OUT
Operating Range.......................................2V to 3V
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
50
60
μA
I
OUT(Q)
V
OUT
Quiescent Current
8
10
μA
I
L(Q)
V
L
Quiescent Current
1
μA
PFM REGULATOR
t
ON
Pulse Width
4.5
5
5.5
μs
V
SENSE
SENSE Compator Threshold Voltage
196
201
208
mV
Load Regulation
See Figure 1
V
IN
= 1.2V, I
OUT
￡
25mA
2.425
2.5
2.575
V
Undervoltage Lockout Threshold
0.85
0.95
V
RESET
COMPARATOR
DETECT Threshold Voltage
194
200
206
mV
DETECT Bias Current
-100
100
nA
RESET Output High Voltage
I
OH
= -100μA
V
OUT
-0.2
V
RESET Output Low Voltage
I
OL
= 100μA
0.2
V
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 |
|---|---|
| ML4950 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| ML4950CS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ML4950ES | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Adjustable Output, Low Current Single Cell Boost Regulator with Detect |
| ML4961 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Adjustable Output Low Voltage Boost Regulator with Detect |
| ML4961CS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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