ABSOLUTE MAXIMUM RATINGS
Lead Temp. (Soldering, 10 Seconds) ............................ 300°C
Storage Temperature Range .......................... -65° to +150°C
Operating Junction Temperature Range....................
AS2830 Control Section .......................... -45°C +125°C
AS2830 Power Transistor.........................-45°C +150°C
AS2830
Maximum Input Voltage .................................... 10V
Input to Output Voltage Differential Max.......... 8.8V
ELECTRICAL CHARACTERISTICS (NOTE 1) at IOUT = 10mA, Ta=25°C, unless otherwise specified.
PARAMETER
CONDITIONS
Typ
AS2830A
Min Max
AS2830
Min Max
1.5V Version
Output Voltage (Note 2)
AS2830-1.5V, 0 ≤IOUT≤3A, 2.75V≤VIN
≤10V
1.5
1.485 1.515 1.470 1.530
1.5
1.470 1.530 1.455 1.545
2.5V Version
Output Voltage (Note 2)
AS2830-2.5V,0 ≤IOUT≤3A, 4.0V≤VIN ≤10V
2.5
2.475 2.525 2.450 2.550
2.5
2.450 2.550 2.425 2.575
3.3V Version
Output Voltage (Note 2)
AS2830-3.3V, 0 ≤IOUT≤3A, 4.75V≤VIN
≤10V
3.3
3.270 3.330 3.230 3.370
3.3
3.240 3.360 3.201 3.399
5.0V Version
Output Voltage (Note 2)
AS2830-5.0V, 0 ≤IOUT≤3A, 6.5V≤VIN ≤10V
5.0
5.0
4.95 5.05 4.900 5.100
4.90 5.10 4.850 5.150
All Voltage Options
Reference Voltage (VREF)
Min. Load Current (Note 3)
VIN≤ 7V, P≤ PMAX
1.5V≤ (VIN -VOUT)≤(VIN-VOUT)MAX,
10mA≤IOUT≤3A
1.5V≤ (VIN -VOUT)≤ (VIN-VOUT)MAX
1.250
5
1.238
1.225
1.263
1.270
10
1.225
1.212
1.270
1.288
10
Line Regulation (∆VREF(VIN)) 2.75V≤VIN ≤7V, IOUT=10mA, TJ=25°C (Note 0.005
0.2
0.2
3)
VIN ≤7V, IOUT=0mA, TJ=25°C (Note 2)
0.005
0.2
0.2
Units
V
V
V
V
V
mA
%
%
Load Regulation(∆VREF(IOUT)) 10mA≤IOUT ≤3A, (VIN-VOUT)=3V, TJ=25°C
0.05
0.3
(Note 3)
0≤IOUT ≤3A, VIN=7V, TJ=25°C (Note 2)
0.05
0.3
0.3
%
0.3
%
Dropout Voltage
Current Limit
IOUT(MAX)
Long Term Stability
∆VREF=1%
IOUT =3A
IOUT≤ 3A
VIN=7V
1.4V≤ (VIN- VOUT) (Note3)
TA=125°C, 1000 Hrs.
1.1
1.2
1.2
V
A
4.0
3.2
3.2
0.3
1
1
%
(Note 2)
Thermal Regulation
(∆VOUT(Pwr))
Temperature Stability
(∆VOUT(T))
Output Noise, RMS
Thermal Resistance
TA=25°C, 20 ms pulse
10Hz to 10kHz TA = 25°c
TO-220
Junction to Tab
Junction to Ambient
0.01
0.25
0.003
0.020
3.0
60
0.020
3.0
60
%/W
%
%V
°C/W
DD Package
Junction to Tab
3.0
3.0
Junction to Ambient
60
60
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
Alpha Semiconductor Inc. 1031 Serpentine Lane. Pleasanton, CA 94566 Tel: (9250 417-1391 Fax: (925) 417-1390
Rev.8/10/99
This Material Copyrighted By Its Respective Manufacturer