參數(shù)資料
型號(hào)： ML4895
廠商： Fairchild Semiconductor Corporation
英文描述： Synchronous Buck Controller For DC/DC conversion(用于DC/DC變換的同步補(bǔ)償控制器（5.9V～15V到2.5V～4V變換）)
中文描述： 同步降壓控制器，用于直流/直流轉(zhuǎn)換（用于直流/直流變換的同步補(bǔ)償控制器（高于全?15V的到為2.5V?4V變換））
文件頁(yè)數(shù)： 3/10頁(yè)
文件大?。?/td> 248K
代理商： ML4895
ML4895
3
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
IN
= 10V, T
A
= Operating Temperature Range (Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LINEAR REGULATOR
Output Voltage
T
A
= 25oC
3.29
3.33
3.37
V
Line Regulation
5.9V < V
IN
< 15V
1.7
4
mV/V
Total Variation
Line, Temp
3.24
3.42
V
SHUTDOWN
Input Low Voltage
1.0
V
Input High Voltage
3.0
V
Input Low Current
V
IL
= 0V
100
nA
Input High Current
V
IH
= V
IN
50
μA
BUCK REGULATOR
Duty Cycle Ratio
V
IN
= 5.9V, I
SENSE
= V
FB
= 0V
75
97
%
V
FB
Threshold Voltage
5.9V < V
IN
< 15V
2.425
2.5
2.575
V
I
SENSE
Threshold Voltage
-60
-80
-100
mV
Transition Time
C
L
= 1000 pF, GND to V
IN
50
100
ns
SUPPLY
I
IN
V
IN
Current
SHDN
= 0V
2
5
μA
SHDN
= 5V
300
750
μA
Note 1:
Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
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
......................................................................... 16.5V
Peak Driver Output Current .......................................±2A
V
FB
Voltage......................................... GND - 0.3V to 6V
I
SENSE
Voltage.................................................... +500mV
All Other Inputs ......................GND - 0.3V to V
IN
+ 0.3V
SHDN
Input Current .............................................. 100μA
Junction Temperature.............................................. 150oC
Storage Temperature Range ......................–65oC to 150oC
Lead Temperature (Soldering, 10 sec) ..................... 150oC
Thermal Resistance (
q
JA
).................................... 160oC/W
OPERATING CONDITIONS
V
IN
Range.....................................................5.9V to 15V
V
OUT
Range................................................... 2.5V to 4V
Temperature Range .................................... -20oC to 70oC
相關(guān)PDF資料
PDF描述
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