
Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556 www.baylinear.com
B1084
Absolute Maximum Rating
Parameter
Maximum Input Voltage
Power Dissipation
Thermal Resistance Junction to Case
Thermal Resistance Junction to
Ambient
Operating Junction
Temperature Range
Control Section
Power Transistor
Storage Temperature Range
Lead Temperature (Soldering 10
Sec.)
Electrical Characteristics
(V
IN
= 4.75V to 5.25V; I
O
= 10mA to 3.0Amp, unless otherwise specified)
Parameter
Symbol
Reference Voltage
V
O
Symbol
V
IN
P
O
θ
JC
θ
JA
Value
30
Unit
V
W
°
C/W
Internally Limited
3
50
T
J
0 to 125
0 to 150
-65 to 150
300
T
STG
T
LEAD
°
C
Conditions
I
O
= 10mA,T= 25
°
C, V
in
-V
out
=3V
10mA
≤
I
OUT
≤
I
FULL LOAD
1.5V
≤
(V
in
-V
out
)
≤
25V (Note3)
I
LOAD
= 10mA, 1.5V
≤
(V
IN
– V
OUT
)
≤
15V
T= 25
°
C
15V
≤
(V
in
-V
out
)
≤
30V
(V
in
-V
out
)=3V
10mA
≤
I
OUT
≤
I
FULL LOAD
T= 25
°
C
T= 25
°
C
Over Temperature
(V
in
-V
out
)=5V
(V
in
-V
out
)=25V
(V
in
-V
out
)= 25V
T= 25
°
C, 30ms pulse
T= 25
°
C, 1000Hrs
T= 25
°
C
Over Temp.
F=120Hz, C
ADJ
=25
μ
F, C
OUT
=25
μ
F Tantalum
I
OUT
=I
FULL LOAD
, (V
in
-V
out
)=3V (Note 5)
TO-220 Junction to Tab
Junction to Ambient
DD Package Junction to Tab
Junction to Ambient
MIN
1.238
1.225
TYP
1.250
MAX
1.262
1.270
0.20
0.20
0.50
0.30
0.40
1.5
UNIT
V
Line Regulation (1)
REG
(line)
0.015
0.035
0.05
0.1
0.2
1.3
Load Regulation (1)
REG
(LOAD)
%
Dropout Voltage
V
D
V
Current Limit
I
S
5.5
0.3
10
0.003
0.3
0.5
55
6.5
0.6
10
0.015
1
120
A
Minimum Load Current
Temperature Regulation
Long Term Stability
Temperature Stability
Adjust pin Current
I
MIN LOAD
T
A
-
T
S
-
mA
%/W
%
μ
A
Ripple Rejection
R
A
60
75
dB
Thermal Resistance
-
3.0
60
3.0
60
3.0
60
3.0
60
°
C/W
Note:
Output Switch tests are performed under pulsed conditions to minimize power dissipation