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參數資料
| 型號： | FAN1951D18X |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1.5A Low-Voltage Low-Dropout Regulator |
| 中文描述： | 1.8 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO4 |
| 封裝： | PLASTIC, TO-252, DPAK-5 |
| 文件頁數： | 3/11頁 |
| 文件大小： | 518K |
| 代理商： | FAN1951D18X |
FAN1950/FAN1951
REV. 0.1.6 8/30/04
3
Absolute Maximum Ratings
Absolute maximum ratings are the values beyond which the device may be damaged or have its useful life impaired.
Functional operation under these conditions is not implied.
Recommended Operating Conditions
Electrical Specifications
(V
The denotes specifications which apply over the full operating temperature range.
IN
= V
OUT
+ 1V, V
EN
= 2.5V, T
j
= +25°C unless specified otherwise)
Parameter
Supply Voltage: IN
Enable Voltage: EN
FLAG voltage: FLAG
Junction Temperature (T
Storage Temperature
Lead Soldering Temperature, 10 seconds
Power Dissipation (P
Min.
-0.2
-0.2
-0.2
–55
–65
Typ.
Max.
15
15
15
150
150
300
Internally
Limited
Units
V
V
V
°C
°C
°C
W
J
)
D
)
Parameter
Supply Voltage
Package Thermal Resistance (
Junction Operating Temperature
Conditions
Min.
2.25
Typ.
Max.
14
Units
V
°
C/W
°
C
θ
JC
)
TO-252
3
-40
125
Parameter
Output Voltage (V
Conditions
1.0A,
≤
1.5A,
V
IN
≤
8V
Min.
-2
-2.5
Typ.
Max.
2
2.5
Units
%
OUT
) Tolerance
10mA
10mA
V
OUT
I
OUT
V
IN
10mA
I
OUT
≤
≤
+ 1V
= 10mA, V
= V
OUT
≤
I
OUT
= 1.5A,
I
I
OUT
OUT
≤
≤
Line Regulation
Load Regulation
1,2
OUT
+ 1V
≤
V
IN
≤
14V
.06
0.2
0.5
1
%
%
1,2
+ 1V,
≤
1.5A
V
OUT
Dropout Voltage
3
= -1%
350
500
20
mV
Ground Current
I
I
V
V
V
V
I
IH
I
IL
Low threshold, % V
High threshold, % V
Hysteresis
V
FLAG
= 14V
OUT
OUT
= 750mA
= 1.5A
+ 1V
= 0V, V
(On)
(Off)
, V
EN
= 2.25V
, V
EN
= 0.8V
10
20
5
2.5
mA
mA
mA
A
V
V
μA
μA
%
%
%
μA
Minimum Load Current
Current Limit
EN Input Voltage (FAN1951 only)
OUT
≤
V
IN
= V
≤
8V
10
OUT
IN
OUT
+ 1V
IH
IL
2.25
0.8
30
4
EN Input Current (FAN1951 only)
FLAG Threshold Voltage
(FAN1951 only)
OUT
OUT
93
1
99.2
FLAG Output Leakage Current
(FAN1951 only)
FLAG Output-Low Voltage
(FAN1951 only)
4
2
I
OL
= 250μA
400
mV
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