GS1085 Datasheet, PDF (2/6 Pages) Vishay Siliconix – 3A Low Dropout Positive Adjustable Regulator

GS1085
Vishay
formerly General Semiconductor
Maximum Ratings and Thermal Characteristics (TA = 25°C unless otherwise noted)
Parameter
Symbol
Value
Vin Pin to ADJ/GND Pin
Vin
7
Thermal Resistance – Junction to Case
TO-220AB
3.0
TO-252
RθJC
8.0
TO-263AB
3.0
Operating Junction Temperature Range
TJ
0 to +125
Storage Temperature Range
Tstg
–65 to 150
Unit
V
°C/W
°C
°C
Electrical Characteristics⁽¹⁾ TJ = 25°C ⁽²⁾, VIN = 5V, Io = 10mA unless otherwise noted.
Parameter
Symbol
Test Conditions
Reference Voltage
VREF
TJ = 25°C
0°C ≤ TJ ≤ 125°C
2.65V ≤ VIN ≤ 7V
10mA ≤ Io ≤ 3A
Output Voltage
VOUT
GS1085-1.8 VIN = 5V
GS1085-2.5 VIN = 5V
GS1085-3.3 VIN = 7V
GS1085
0°C ≤ TJ ≤ 125°C
2.65V ≤ VIN ≤ 5V
10mA ≤ Io ≤ 3A
Line Regulation
REGline
2.65V ≤ VIN ≤ 7V
TJ = 25°C
0°C ≤ TJ ≤ 125°C
Load Regulation
REGload
10mA ≤ Io ≤ 3A
TJ = 25°C
0°C ≤ TJ ≤ 125°C
Dropout Voltage
VDROP
0°C ≤ TJ ≤ 125°C
Io = 3A
Io = 2A
Io = 1A
Output Current
Io
0°C ≤ TJ ≤ 125°C
Adjust Pin Current
2.65 ≤ Vin ≤ 7V
Iadj
10mA ≤ Io ≤ 3A
0°C ≤ TJ ≤ 125°C
Adjust Pin Current Change
∆Iadj
2.65 ≤ Vin ≤ 7V
10mA ≤ Io ≤ 3A
0°C ≤ TJ ≤ 125°C
Temperature Stability
TS
Io = 0.5A
0°C ≤ TJ ≤ 125°C
Minimum Load Current
Adjustable Version
ILMIN
0°C ≤ TJ ≤ 125°C
Min Typ Max Unit
1.238 1.250 1.262
1.225 1.250 1.275 _V
1.78 1.8 1.82
2.47 2.5 2.53
3.26 3.3 3.33
0.98VN VN 1.02VN
V
0.015 0.2 % VO
0.035 0.2
0.1
0.3 % VO
0.2
0.4
1.3
1.4
1.28 1.37
V
1.25 1.34
3.0
4.0
–
A
–
55
120
µA
–
0.2
5
µA
–
0.5
–
%VO
–
5
10 mA
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2
Document Number 74821
24-May-02