
Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
B4151
Absolute Maximum Ratings
Parameter
Input Voltage
Output Current
Output Voltage
CE Output Voltage
Continual Total Power Dissipation
Symbol
V
IN
I
OUT
V
out
V
OUT
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
300
500
-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 40mA
I
O
= 40mA,
(V
OUT
+ 0.1V)<V
IN
<10V
VIN=V
out
+1V
1mA < I
O
< 80mA C
OUT
= 1
μ
F
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
0.04
%/mV
Maximum Output Current
Current Limit
CE input voltage High
CE input voltage Low
CE input voltage High
CE input voltage Low
Input Stability
V
out
/
T
opr .
. V
out
Input Voltage
150
1.5
-0.2
1000
-0.05
0.2
10.0
mA
V
V
0.25
1.0
0
0.3
19
0.1
395
770
V
CE
=V
IN
V
CE
=V
SS
μ
kA
μ
kA
%/V
V
I
out
=40mA, 4V
≤
V
in
≤
10V
V
in
=V
ce
=V
out
+1V
V
in
=V
out
+1V, V
ce
=V
ss
I
O
= 100mA
I
O
= 150 mA
Ground Pin Current
μ
A
200
380
±
100
Dropout Voltage
mV
Output Voltage Temp.
Marking Format
SOT-25
°
C
EXWW
E = B4151
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
SERIES
CE
VOLTAGE
OUTPUT
ON
OFF
OFF
ON
B4151R
H
L
H
L
B4151P