LR8N8-G Ver la hoja de datos (PDF) - Supertex Inc
Número de pieza
componentes Descripción
Fabricante
LR8N8-G Datasheet PDF : 9 Pages
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LR8
Ordering Information
DEVICE
Package Option
TO-243AA
TO-252
TO-92
LR8
LR8N8-G
LR8K4-G
-G indicates package is RoHS compliant (‘Green’)
LR8N3-G
Absolute Maximum Ratings
Parameter
Value
VIN input voltage (voltages ref to ADJ)
Output voltage range
-0.5V to +480V
-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
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent
damage to the device. These are stress ratings only, and functional operation of the
device at these or any other conditions beyond those indicated in the operational sections
of the specifications is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
Pin Configurations
VOUT
VOUT
VIN
VOUT
ADJ
VIN
ADJ
VIN VOUT ADJ
TO-243AA (SOT-89) TO-252 (D-PAK) TO-92
(top view)
(top view)
(front view)
Product Marking
Product marking for TO-243AA:
LR8
where = 2-week alpha date code
Electrical Characteristics (Test conditions unless otherwise specified: -40°C < TA < 85°C.)
Symbol Parameter
Min Typ Max Units Conditions
VIN - VOUT
V
OUT
Input to output voltage difference
Overall output voltage regulation
12
-
450
1.14 1.20 1.26
V ---
V
13.2V < VIN< 400V,
R1 = 2.4KΩ, R2 = 0
VOUT
ΔVOUT
ΔVOUT
ΔVOUT
IOUT
IOUT
IOUT
IADJ
C2
Overall output voltage regulation 375 400 425 V R1 = 2.4KΩ, R2 = 782KΩ
Line regulation
Load regulation
Temperature regulation
Output current limit
Output current limit
Minimum output current
-
0.003 0.01
%/V
17V < VIN< 400V, VOUT = 5V,
IOUT = 0.5mA
-
1.4
3.0
%
VIN = 17V, VOUT = 5V,
0.5mA <IOUT< 10mA
-1
-
+1
%
VIN = 17V, VOUT = 5V, IOUT = 10mA,
-40°C < TA < 85°C
10
-
30
mA TJ < 85°C, VIN - VOUT = 12V
-
-
0.5 mA TJ > 125°C, VIN - VOUT = 450V
-
0.3 0.5 mA Includes R1 and load current
Adjust output current
5
10
15
µA ---
Minimum output load capacitance 1
-
-
µF ---
DVOUT/DVIN Ripple rejection ratio
TLIMIT
Junction temperature limit
50
60
125
-
-
dB 120Hz, VOUT = 5V
-
°C ---
2
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