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參數(shù)資料
| 型號： | ML4851 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Low Current, Voltage Boost Regulator(小電流升壓穩(wěn)壓器) |
| 中文描述： | 低電流，電壓升壓穩(wěn)壓器（小電流升壓穩(wěn)壓器） |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 141K |
| 代理商： | ML4851 |
ML4851
REV. 1.0 10/12/2000
3
OPERATING CONDITIONS
Temperature Range
ML4851CS-X.............................................. 0oC to 70oC
ML4851ES-X ...........................................–20oC to 70oC
V
IN
Operating Range
ML4851CS-X................................ 1.0V to V
OUT
– 0.2V
ML4851ES-X ................................ 1.1V to V
OUT
– 0.2V
Thermal Resistance (
θ
JA
).................................... 160oC/W
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.) ..................... 260oC
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
V
L
Quiescent Current
1
μA
REFERENCE
V
REF
Output Voltage
0 < I
REF
< –5μA
190
200
210
mV
PFM REGULATOR
t
ON
Pulse Width
4.5
5
5.5
μs
OUTPUT VOLTAGE
V
OUT
Output Voltage
-3 Suffix
3.2
3.3
3.4
V
t
ON
= 0 at V
OUT(MAX)
,
4.5μs
≤
t
ON
≤
5.5μs
at V
OUT(MIN)
-5 Suffix
4.85
5.0
5.15
V
Load Regulation
See Figure 1, -3 Suffix
V
IN
= 1.2V, I
OUT
≤
10mA
3.2
3.3
3.4
V
See Figure 1, -3 Suffix
V
IN
= 2.4V, I
OUT
≤
65mA
3.2
3.3
3.4
V
See Figure 1, -5 Suffix
V
IN
= 1.2V, I
OUT
≤
18mA
4.85
5.0
5.15
V
See Figure 1, -5 Suffix
V
IN
= 2.4V, I
OUT
≤
85mA
4.85
5.0
5.15
V
Undervoltage Lockout Threshold
0.85
0.95
V
RESET
COMPARATOR
DETECT Threshold
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 |
|---|---|
| ML4851CS-3 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Low Current, Voltage Boost Regulator |
| ML4851CS3X | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ML4851CS3X_NL4C0095 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ML4851CS-5 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Low Current, Voltage Boost Regulator |
| ML4851CS8-3 UP WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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