B1085S
| Model | B1085S |
| Description | 3.0A Low Dropout Voltage Regulator |
| PDF file | Total 3 pages (File size: 40K) |
| Chip Manufacturer | ETC |
B1085
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.)
Symbol
V
IN
P
O
θ
JC
θ
JA
T
J
Value
30
Internally Limited
3
50
Unit
V
W
°C/W
°C
T
STG
T
LEAD
0 to 125
0 to 150
-65 to 150
300
Electrical Characteristics
(V
IN
= 4.75V to 5.25V; I
O
= 10mA to 3.0Amp, unless otherwise specified)
Parameter
Symbol
Conditions
Reference Voltage
V
O
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
=25µF, C
OUT
=25µF 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
4
0.5
10
0.02
1
UNIT
V
Line Regulation (1)
REG
(line)
0.015
0.035
0.05
0.1
0.2
1.3
3.2
0.2
10
0.004
0.3
0.5
55
60
75
3.0
60
3.0
60
%
Load Regulation (1)
REG
(LOAD)
Dropout Voltage
Current Limit
Minimum Load Current
Temperature Regulation
Long Term Stability
Temperature Stability
Adjust pin Current
Ripple Rejection
Thermal Resistance
V
D
I
S
I
MIN LOAD
T
A
-
T
S
-
R
A
-
V
A
mA
%/W
%
µA
120
dB
3.0
60
3.0
60
°C/W
Note:
Output Switch tests are performed under pulsed conditions to minimize power dissipation
Bay Linear, Inc
2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 989-7144, Fax: (925) 940-9556
www.baylinear.com
