Lead Temperature (soldering, 5 seconds) ................................. 260°C
Storage Temperature Range ..................................... -65°C to +150°C
Operating Junction Temperature Range ................... -40°C to +125°C
Input Voltage (Note 5) ................................................................... 16V
ELECTRICAL CHARACTERISTICS
At V
IN
=V
OUT
+ 1V and I
OUT
= 10 mA, C
IN
= 6.8
µF,
C
OUT
= 10µF; T
A
= 25°C, unless otherwise specified.
The Boldface applies over the junction temperature range. Adjustable versions are set at 5.0V.
PARAMETER
1.8V Version
Output Voltage
2.5V Version
Output Voltage
3.3V Version
Output Voltage
5.0V Version
Output Voltage
All Voltage Options
Line Regulation
Load Regulation
∆V
∆T
Dropout Voltage (Note 1)
(except 1.8V version)
Ground Current (Note 3)
I
GNDDO
Ground Pin
Current at Dropout
Current Limit
Output Noise Voltage
(10Hz to 100kHz)
I
L
=100mA
Thermal Resistance
I
O
=10mA, (V
OUT
+1V)≤V
IN
≤16V
V
IN
=V
OUT
+1V, 10mA≤I
OUT
≤1A
Output Voltage
Temperature Coef.
I
O
=100mA
I
O
=1A
I
O
=750mA, V
IN
=V
OUT
, + 1V
I
O
=1A
V
IN
=0.1V less than specified V
OUT
I
OUT
= 10mA
V
OUT
=0V (Note 2)
C
L
= 10µF
C
L
=33µF
TO-220 Junction to Case, at Tab
TO-220 Junction to Ambient
TO-263 Junction to Case, at Tab
TO-263 Junction to Ambient
SOT-223 Junction to Case, at Tab
SOT-223 Junction to Ambient
0.2
0.3
20
70
280
12
18
1.2
2.2
400
260
3
29.4
3
31.4
15
62.3
°C/W
°C/W
°C/W
1.5
1.5
1.0
1.5
100
200
550
25
1.0
1.5
100
200
550
25
mA
mA
A
µV
RMS
%
%
ppm/°C
mV
I
OUT
= 10mA
10mA≤I
OUT
≤1A,
6V≤V
IN
≤16V
5.0
5.0
4.950
4.875
5.050
5.125
4.900
4.825
5.100
5.175
V
I
OUT
= 10mA
10mA≤I
OUT
≤1A,
6V≤V
IN
≤16V
3.3
3.3
3.267
3.217
3.333
3.383
3.234
3.184
3.366
3.416
V
I
OUT
= 10mA
10mA≤I
OUT
≤1A,
6V≤V
IN
≤16V
2.5
2.5
2.475
2.437
2.525
2.563
2.450
2.412
2.550
2.588
V
I
OUT
= 10mA
10mA≤I
OUT
≤1A,
6V≤V
IN
≤16V
1.8
1.8
1.782
1.755
1.818
1.845
1.764
1.737
1.836
1.863
V
CONDITIONS
TYP
MIN
MAX
SPX3940A (1%)
MIN
MAX
SP3940 (2%)
UNITS
NOTES:
Note 1: Dropout voltage is defined as the input to output differential when the output voltage drops to 99% of its normal value.
Note 2: V
IN
=V
OUT (NOMINAL)
+ 1V. For example, use V
IN
=4.3V for a 3.3V regulator. Employ pulse-testing procedures to minimize temperature rise.
Note 3: Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the load current to the ground current.
Note 4: Thermal regulation is defined as the change in the output voltage at a time T after a change in power dissipation is applied, excluding load or line regulation effects.
Note 5: Maximum positive supply voltage of 20V must be of limited duration (<100ms) and duty cycle (<1%). The maximum continuous supply voltage is 16V.
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