LESHAN RADIO COMPANY, LTD.
Electrical Characteristics (Continued)
Typicals and limits appearing in normal type apply for T = 25 C. Limits appearing in Boldface type apply over
o
J
the entire operating junvtion temperature range.
Parameter
Symbol Conditions
Min
Typ
Max
Unit
Load Regulation
'VOUT LR1084-ADJ, 0mAd IOUT d 5A,
0.1
0.3
%
0.2
0.4
V
IN - VOUT = 3V
LR1084-1.5, 0mAd IOUT d 5A,
IN - VOUT = 3V
LR1084-1.8, 0mAd IOUT d 5A,
IN - VOUT = 3V
LR1084-2.5, 0mAd IOUT d 5A,
IN - VOUT = 3V
LR1084-2.85, 0mAd IOUT d 5A,
IN - VOUT = 3V
LR1084-3.3, 0mAd IOUT d 5A,
IN - VOUT = 3V
3
7
15
20
mV
mV
mV
mV
mV
mV
V
3
7
15
20
V
3
7
15
20
V
3
7
15
20
V
3
7
15
20
V
LR1084-5.0, 0mAd IOUT d 5A,
5
20
10
35
VIN - VOUT = 3V
Dropout Voltage
Current Limit
I
O = 5A, 'VREF,'VOUT= 1%
VIN - VOUT = 3V,
IN = 10V (LR1084-ADJ)
1.3
6.5
3
1.5
V
A
ILIMIT
5.5
Minimum
Load Current
V
10
10
mA
Quiescent Current
Ripple Rejection
VIN = 10V (LR1084)
5
mA
dB
f
RIPPLE = 120Hz, COUT = 25PF Tantalum,
60
72
I
OUT = 5A, VIN - VOUT = 3V
Adjust Pin Current
VIN = 4.25V, IOUT = 10mA
55
120
5
PA
Adjust Pin Current
Change
10mA dꢀIOUT dꢀ5A,
1.5Vd (VIN -VOUT) d 4.5V
0.2
ꢀꢀꢀꢀPA
Temperature
Stability
I
OUT = 10mA, VIN - VOUT = 1.5
0.5
%
TA = 125oC, 1000Hrs
Long Term Stability
0.5
%
%
RMS Noise
10Hz dꢀf dꢀ10kHz
0.003
(% of VOUT
)
0C / W
Thermal Resistance QJC
Junction -to-Case
TO-263
TO-220
TO-252
3
3
LR1084-6/12
LRC [ LESHAN RADIO COMPANY ]
