ABSOLUTE MAXIMUM RATINGS
Lead Temp. (Soldering, 10 Seconds) .............................. 300°C
Storage Temperature Range ............................ -65° to +150°C
Operating Junction Temperature Range ......................
SPX1085 Control Section.......................... -45°C +125°C
SPX1085 Power Transistor.........................-45°C +150°C
SPX1085
Input Voltage........................................................ 30V
Input to Output Voltage Differential Max ............ 30V
ELECTRICAL CHARACTERISTICS (NOTE 1) at IOUT = 10mA, TA=25°C, unless otherwise specified.
PARAMETER
CONDITIONS
Typ
SPX1085A
Min Max
1.5V Version
Output Voltage (Note 2)
2.5V Version
SPX1085-1.5V, 0 ≤IOUT≤3A, 2.75V≤VIN ≤29V
1.5
1.485
1.515
1.5
1.470
1.530
Output Voltage (Note 2)
SPX1085-2.5V,0 ≤IOUT≤3A, 3.5V≤VIN ≤29V
2.5
2.475
2.525
2.5
2.450
2.550
3.3V Version
Output Voltage (Note 2)
5.0V Version
Output Voltage (Note 2)
Adjustable Version
Reference Voltage (VREF)
All Voltage Options
Min. Load Current (Note 3)
SPX1085-3.3V, 0 ≤IOUT≤3A, 4.75V≤VIN ≤29V
SPX1085-5.0V, 0 ≤IOUT≤3A, 5.5V≤VIN ≤29V
VIN≤ 7V, P≤ PMAX
1.5V≤ (VIN -VOUT)≤(VIN-VOUT)MAX,
10mA≤IOUT≤3A
1.5V≤ (VIN -VOUT)≤ (VIN-VOUT)MAX
3.3
3.270
3.330
3.3
3.240
3.360
5.0
4.95
5.05
5.0
4.90
5.10
1.250
1.238
1.263
5
10
Line Regulation (∆VREF(VIN)) 2.75V≤VIN ≤29V, IOUT=10mA, TJ=25°C (Note 3)
0.005
0.2
SPX1085
Min Max
1.470
1.455
1.530
1.545
2.450
2.425
2.550
2.575
3.230
3.201
3.370
3.399
4.900
4.850
5.100
5.150
1.225
1.270
10
0.2
VIN ≤29V, IOUT=0mA, TJ=25°C (Note 2)
0.005
0.2
0.2
Load Regulation(∆VREF(IOUT)) 10mA≤IOUT ≤3A, (VIN-VOUT)=3V, TJ=25°C (Note
0.05
0.3
0.3
3)
Dropout Voltage
Current Limit
IOUT(MAX)
Long Term Stability
Thermal Regulation
(∆VOUT(Pwr))
Temperature Stability
(∆VOUT(T))
Output Noise, RMS
Thermal Resistance
0≤IOUT ≤3A, VIN=7V, TJ=25°C (Note 2)
∆VREF=1%
IOUT =3A (Note 3)
IOUT≤ 3A (Note 2)
VIN=7V
1.4V≤ (VIN- VOUT) (Note3)
TA=125°C, 1000 Hrs.
TA=25°C, 20 ms pulse
0.05
0.3
0.3
1.1
1.5
1.5
4.0
3.2
3.2
0.3
1
1
(Note 2)
0.01
0.020
0.020
0.25
10Hz to 10kHz TA=25°C
0.003
TO-220
Junction to Tab
3.0
3.0
3.0
Junction to Ambient
60
60
60
DD Package
Junction to Tab
3.0
3.0
3.0
Junction to Ambient
60
60
60
Units
V
V
V
V
V
mA
%
%
%
%
V
A
%
%/W
%
% VO
°C/W
°C/W
The Bold specifications apply to the full operating temperature range.
Note 1: Changes in output voltage due to heating effects are covered under the specification for thermal regulation.
Note 2: Fixed Version Only
Note 3: Adjustable Version Only
Rev. 10/30/00