LR8
Ordering Information
Package Options
TO-92
LR8N3
*
Product marking for TO-243AA:
TO-252
LR8K4
LR8❋
where
❋
= 2-week alpha date code
TO-243AA*
LR8N8
Same as SOT-89. Product supplied on 2000 piece carrier tape reels.
Absolute Maximum Ratings
V
IN
Input Voltage
Output Voltage Range
Operating Ambient Temperature Range
Operating Junction Temperature Range
Storage Temperature Range
*Voltages referenced to ADJ.
Pin Configurations
2 (TAB)
1
2
3
-0.5V to +480V*
-0.5V to +470V
-40°C to +85°C
-40°C to +125°C
-65°C to +150°C
TAB
1
3
123
TO-243AA
(SOT-89)
V
IN
TO-92
TO-243AA
TO-252
1
1
1
TO-92
V
OUT
2
2, TAB
2 (TAB)
TO-252
(D-PAK)
ADJ
3
3
3
Electrical Characteristics
Test conditions unless otherwise specified: -40°C < T
A
< 85°C.
Symbol
V
IN
- V
OUT
V
OUT
V
OUT
∆V
OUT
∆V
OUT
∆V
OUT
I
OUT
I
OUT
I
OUT
I
ADJ
C2
Parameter
Input to Output Voltage Difference
Overall Output Voltage Regulation
Overall Output Voltage Regulation
Line Regulation
Load Regulation
Temperature Regulation
Output Current Limit
Output Current Limit
Minimum Output Current
Adjust Output Current
Minimum Output Load Capacitance
5
1
50
125
60
0.3
10
-1
10
Min
12
1.14
375
1.20
400
0.003
1.4
Typ
Max
450
1.26
425
0.01
3.0
+1
20
0.5
0.5
15
Units
V
V
V
%/V
%
%
mA
mA
mA
µA
µF
dB
°C
120Hz, V
OUT
= 5V
12V<V
IN
<400V, R1=2.4KΩ, R2=0
R1=2.4KΩ, R2=782KΩ
15V<V
IN
<400V, V
OUT
=5V, I
OUT
=0.5mA
V
IN
=15V, V
OUT
=5V, 0.5mA<I
OUT
<10mA
V
IN
=15V, V
OUT
=5V, I
OUT
=10mA,
-40°C<T
A
<85°C
T
J
< 85°C, V
IN
- V
OUT
= 10V
T
J
> 125°C, V
IN
- V
OUT
= 450V
Includes R1 and load current
Test Conditions
DV
OUT
/DV
IN
Ripple Rejection Ratio
T
LIMIT
Junction Temperature Limit
2
SUPERTEX [ Supertex, Inc ]
