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參數(shù)資料
| 型號： | ML4875 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | High Current Boost Regulator with Shutdown(帶關(guān)斷電路的大電流升壓穩(wěn)壓器) |
| 中文描述： | 高電流升壓關(guān)斷穩(wěn)壓器（帶關(guān)斷電路的大電流升壓穩(wěn)壓器） |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 188K |
| 代理商： | ML4875 |
3
ML4875
Lead Temperature (Soldering 10 sec.) ..................... 260°C
Thermal Resistance (
q
JA
) Plastic SOIC.................160°C/W
OPERATING CONDITIONS
Temperature Range
ML4875CS-X ..............................................0°C to 70°C
ML4875ES-X........................................... –20°C to 70°C
V
IN
Operating Range
ML4875CS-X ................................. 1.0V to V
OUT
–0.2V
ML4875ES-X.................................. 1.1V to V
OUT
–0.2V
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).................................................
1.5A
Average Switch Current, I
(AVG).......................................
300mA
Junction Temperature ............................................. 150°C
Storage Temperature Range ...................... –65°C to 150°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
IN
= Operating Voltage Range, T
A
= Operating Temperature Range (Note 1).
PARAMETER
CONDITIONS
MIN
TYP.
MAX
UNITS
SUPPLY
V
IN
Current
V
IN
= V
OUT
– 0.2V
50
65
μA
V
IN
= 4.8V, SHDN = V
IN
20
30
μA
V
OUT
Quiescent Current
8
12
μA
V
L
Quiescent Current
1
μA
PFM REGULATOR
Pulse Width (T
ON
)
8.9
10
11.1
μs
Output Voltage (V
OUT
)
ML4875-5
ML4875-3
ML4875-T
T
ON
= 0 at V
OUT
(MAX),
8.9μs - T
ON
- 11.1μs V
OUT
(MIN)
4.85
3.2
2.91
5.0
3.3
3.0
5.15
3.4
3.09
V
V
V
Load Regulation
See Figure 1
V
IN
= 1.2V, I
OUT
- 20mA
V
IN
= 2.4V, I
OUT
- 100mA
ML4875-5
4.85
4.85
5.0
5.0
5.15
5.15
V
V
ML4875-3
V
IN
= 1.2V, I
OUT
- 30mA
V
IN
= 2.4V, I
OUT
- 140mA
3.2
3.2
3.3
3.3
3.4
3.4
V
V
ML4875-T
V
IN
= 1.2V, I
OUT
- 35mA
V
IN
= 2.4V, I
OUT
- 160mA
2.91
2.91
3.0
3.0
3.09
3.09
V
V
Under-Voltage Lockout Threshold
0.85
1
V
SHUTDOWN
Input Bias Current
–100
100
nA
Shutdown Threshold
V
SHDN
= high to low
180
200
220
mV
Shutdown Hysteresis
50
70
mV
RESET
COMPARATOR
DETECT Threshold
194
200
206
mV
DETECT Bias Current
–100
100
nA
RESET
ON Voltage
I
RESET
= 50μA
100
200
mV
RESET
OFF Current
V
RESET
= 5V
1
μA
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 |
|---|---|
| ML4875CS-3 | 制造商:Rochester Electronics LLC 功能描述: |
| ML4875CS-5 | 制造商:Rochester Electronics LLC 功能描述: |
| ML4875CS-T | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| ML4875ES-3 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Low Voltage Boost Regulator with Shutdown |
| ML4875ES-5 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Low Voltage Boost Regulator with Shutdown |
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