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參數(shù)資料
| 型號： | B4252 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 250mA Low Dropout Voltage Regulators ON/OFF & BYPASS |
| 中文描述： | 250mA的低壓差穩(wěn)壓器開/關(guān) |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 169K |
| 代理商： | B4252 |
Bay Linear, Inc
2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
Absolute Maximum Ratings
Parameter
Input Voltage
Output Current
Output Voltage
On/Off Voltage
Continual Total Power Dissipation
B4252
Symbol
V
IN
I
OUT
V
OUT
On/Off
Ratings
12
500
Units
V
mA
V
V
V
SS
-0.3 to V
IN
0.3
V
SS
-0.3 to V
IN+
0.3
150
300
-30 to 80
-40 to 125
SOT-25
SOT-89
Pd
mW
Operating Ambient Temperature
Storage Temperature
Electrical Characteristics
(T
a
= 25
°
C, V
IN
= V
OUT +
0.5V; unless otherwise noted)
Parameter
T
OPR
T
STG
°
C
°
C
Conditions
I
O
= 1mA
I
O
= 0 to 150mA
I
O
= 100mA,
(V
OUT
+ 0.1V)<V
IN
<6V
MIN
-1.4%
-2%
TYP
-
-
MAX
+1.4%
+2%
UNIT
Output Voltage Accuracy
V
Line Regulation
V
OUT
/
V
IN
-V
OUT
0.2
0.3
%/V
Load Regulation
VIN 6V, 0mA < I
O
< 120mA C
OUT
= 1
μ
F
0.01
0.04
%/mV
Maximum Output Current
Current Limit
Shutdown Supply Current
Shutdown Input Bias Current
Shutdown Exit Delay
Shutdown Input Threshold Low
Shutdown Input Threshold High
Ground Pin Current
250
160
2
500
0.01
0.01
30
0.4
2
160
200
155
mA
T
A
=25
°
C
1
μ
A
nA
μ
sec
V
V
μ
A
VSHDN=V
IN,
T
A
=25
°
C
CBP=0
μ
F C
OUT
=1
μ
F, I
O
= 1mA
V
in
=2.5 to 5.5V
V
in
=2.5 to 5.5V
I
OUT
= 0mA……150mA
I
O
= 150mA
I
O
= 250 mA
100
150
5
250
280
Dropout Voltage
mV
Thermal Shutdown Temperature
Marking Format
SOT-25
FXWW
F = B4252
°
C
Variables
WW = Work Week Code
F = 3.3
SOT-25 = 01 to 99
G = 3.5
H = 5.0
X = Voltage Codes
B = 2.0
C = 2.5
D = 2.8
E = 3.0
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