LR8K4-G Supertex, LR8K4-G Datasheet - Page 5

• Manufacturer Part Number: LR8K4-G
• Description: Linear Regulators - Standard 450V Adj 3 Termnl
• Manufacturer: Supertex

Specifications of LR8K4-G

• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Adjustable
• Output Voltage: 1.26 V
• Output Current: 20 mA
• Line Regulation: 0.01 % / V
• Load Regulation: 3 %
• Input Voltage Max: 480 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Maximum Power Dissipation: 2500 mW
• Mounting Style: SMD/SMT
• Output Voltage Tolerance: +/- 5 %
• Voltage Regulation Accuracy: 5 %
• Package / Case: TO-252 (DPAK)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Curves
25V
200V
400V
12V,
12V
Supertex inc.
V
IN
V
V
ADJ
IN
IN
LR8
ADJ
ADJ
18.2k
± 1%
LR8
LR8
V
I
ADJ
OUT
= 5.0V
6.04k
± 1%
1235 Bordeaux Drive, Sunnyvale, CA 94089
V
V
OUT
OUT = 1.2V
= 1.2V
2.4k
2.4k
I
OUT
1.0µF
1.0µF
R
1.0 F
LOAD
5
1.30
1.25
1.20
1.15
1.10
1.05
1.00
12
11
10
5.2
5.1
5.0
4.9
4.8
9
8
7
6
-50
-50
0
Tel: [phone]
-25
-25
V
V
IN
2
Temperature Variation
IN
= 200V
Adjustment Current
= 400V
0
0
Load Regulation
T (junction) (
T (junction) (
4
I
25
25
OUT
www.supertex.com
(mA)
V
50
50
IN
6
O
= 12V
O
C)
C)
75
75
8
100
100
125
125
10
LR8