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LR8 Datasheet(PDF) 2 Page - Supertex, Inc

Part # LR8
Description  High Input Voltage Adjustable 3-Terminal Linear Regulator
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Manufacturer  SUTEX [Supertex, Inc]
Direct Link  http://www.supertex.com
Logo SUTEX - Supertex, Inc

LR8 Datasheet(HTML) 2 Page - Supertex, Inc

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


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