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Электронный компонент: SPX1117T-1.5

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1
Date: 8/25/04 SPX1117 800mA Low Dropout Voltage Regulator
Copyright 2004 Sipex Corporation
800mA Low Dropout Voltage Regulator
SPX1117
DESCRIPTION
FEATURES
Guaranteed 0.8A Output Current
Guaranteed 1A Peak Current
Three Terminal Adjustable or Fixed
1.5V, 1.8V, 2.5V, 2.85V, 3.0V,
3.3V and 5V
Low Quiescent Current
Low Dropout Voltage of 1.1V at 0.8A
0.1% Line and 0.2% Load Regulation
Stable with 2.2uF Ceramic Capacitor
Overcurrent and Thermal Protection
Available Packages: SOT-223,TO-252,
TO-220, and TO-263
The SPX1117 is a low power positive-voltage regulator designed to satisfy moderate power
requirements with a cost effective, small footprint solution. This device is an excellent choice for
use in battery-powered applications and portable computers. The SPX1117 features very low
quiescent current and a low dropout voltage of 1.1V at a full load. As output current decreases,
quiescent current flows into the load, increasing efficiency. SPX1117 is available in adjustable
or fixed 1.5V, 1.8V, 2.5V,2.5V, 2.85V, 3.0V, 3.3V and 5V output voltages.
The SPX1117 is offered in several 3-pin surface mount packages: SOT-223, TO-252, TO-220
and TO-263. An output capacitor of 10F provides unconditional stability while a smaller 2.2F
capacitor is sufficient for most applications.
APPLICATIONS
Desktop PC's Servers
SCSI-II Active Terminator
Portable/ Palm Top / Notebook
Computers
Cordless Phones
Battery Chargers
Disk Drives
Portable Consumer Equipment
Portable Instrumentation
SMPS Post-Regulator
FUNCTIONAL DIAGRAM
Current Limit
I
CL
I
TL
Thermal Limit
V
REF
AMP
V
OUT
V
IN
ADJ/GND
+
I
ADJ
~ 50A
1.25V
+
-
+
-
Now Available in Lead Free Packaging
2
Date: 8/25/04 SPX1117 800mA Low Dropout Voltage Regulator
Copyright 2004 Sipex Corporation
ELECTRICAL CHARACTERISTICS
T
A
= 25
C, C
IN
= C
OUT
= 10
F, unless otherwise specified. The Boldface applies over the full operating temperature range.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
1.5V Version
Output Voltage
I
OUT
= 10mA, V
IN
=3.0V, T
J
= 25C
1.485
1.500
1.515
V
10mA
I
OUT
800mA, 2.9V V
IN
10V
1.470
1.530
1.8V Version
Output Voltage
I
OUT
= 10mA, V
IN
=3.3V, T
J
= 25C
1.782
1.800
1.818
V
10mA
I
OUT
800mA, 3.2V V
IN
10V
1.764
1.836
2.5V Version
Output Voltage
I
OUT
= 10mA, V
IN
=4.0V, T
J
= 25C
2.475
2.500
2.525
V
10mA
I
OUT
800mA, 3.9V V
IN
10V
2.450
2.550
2.85V Version
Output Voltage
I
OUT
= 10mA, V
IN
=4.35V, T
J
= 25C
2.821
2.850
2.878
V
10mA
I
OUT
800mA, 4.25V V
IN
10V
2.793
2.907
3.00V Version
Output Voltage
I
OUT
= 10mA, V
IN
=4.5V, T
J
= 25C
2.970
3.000
3.030
V
10mA
I
OUT
800mA, 4.4V V
IN
10V
2.940
3.060
3.30V Version
Output Voltage
I
OUT
= 10mA, V
IN
=4.8V, T
J
= 25C
3.267
3.300
3.333
V
10mA
I
OUT
800mA, 4.7V V
IN
10V
3.234
3.366
5V Version
Output Voltage I
OUT
= 10mA, V
IN
=6.5V
4.950
5
5.050
V
10mA
I
OUT
800mA, 6.4V V
IN
12V
4.90
5.10
All Voltage Options
Reference Voltage
I
OUT
=10mA, (V
IN
- V
OUT
)= 2V, T
J
= 25C
1.238
1.250
1.262
V
10mA
I
OUT
800mA, 1.4V(V
IN
-V
OUT
)
10V
1.225
1.270
Output Voltage
0.3
%
Temperature Stability
Line Regulation
V
INMIN
V
IN
12V,V
OUT
=Fixed/Adj,
(Note 1)
I
OUT
=10mA
3
7
mV
Load Regulation
10mA
I
OUT
800mA,V
OUT
=Fixed/Adj
6
12
mV
(Note 1)
Dropout Voltage
I
OUT
=100mA
1.00
1.10
V
(Note 2)
I
OUT
=500mA
1.05
1.15
I
OUT
=800mA
1.10
1.20
Quiescent Current
4.25V
V
IN
6.5V
5
10
mA
Power Dissipation.......................................Internally Limited
Lead Temperature (soldering, 5 seconds) ...............260C
Storage Temperature Range.......................-65C to +150C
Operating Junction Temperature Range.....-40C to +125C
Input Supply Voltage .................................................... +20V
Input to Output Voltage ................................................ 18.8V
ESD Rating.................................................................2kV min
These are sterss ratings only and functional operation of the
device at these ratings or any other above those indicated in the
operation sections of the specifications below is not implied.
Exposure to absolute maximum rating conditions for extended
periods of time may affect reliability.
ABSOLUTE MAXIMUM RATINGS
3
Date: 8/25/04 SPX1117 800mA Low Dropout Voltage Regulator
Copyright 2004 Sipex Corporation
ELECTRICAL CHARACTERISTICS
T
A
= 25
C, C
IN
= C
OUT
= 10
F, unless otherwise specified. The Boldface applies over the full operating temperature range.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Adjust Pin Current
50
120
A
Current Limit
(V
IN
-V
OUT
)=5V
1.0
1.5
2.0
A
Thermal Regulation
25
C, 30mS pulse
0.01
0.1
%/W
Ripple Rejection
f
RIPPLE
=120Hz, (V
IN
-V
OUT
)=2V,
60
75
dB
V
RIPPLE
=1V
PP
Long Term Stability
125
C, 1000Hrs
0.03
%
RMS Output Noise
% of V
OUT
, 10Hz
f10kHz
0.003
%
Thermal Resistance
TO-220 Junction to Case, at Tab
3
C/W
TO-220 Junction to Ambient
60
TO-263 Junction to Case, at Tab
3
TO-263 Junction to Ambient
60
TO-252 Junction to Case, at Tab
6
TO-252 Junction to Ambient
126
SOT-223 Junction to Case, at Tab
15
SOT-223 Junction to Ambient
156
*Note 1 - For fixed option, V
INMIN
= V
OUT
+ 1.5V
- For adjustable option, V
INMIN
= V
IN
- V
OUT
= 1.4V
*Note 2 - Dropout voltage is the input voltage minus output voltage that produces a 1% decrease in output voltage with respect
to the nominal output voltage at V
IN
= V
OUT
+ 1.5V
4
Date: 8/25/04 SPX1117 800mA Low Dropout Voltage Regulator
Copyright 2004 Sipex Corporation
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 1. Load Regulation for SPX1117M3-3.3;
Figure 2. Line Regulation for SPX1117M3-3.3;
V
IN
=4.8V
I
OUT
=10mA
Figure 3. Dropout Voltage vs Output Current for
SPX1117M3-3.3; V
IN
=4.8V, C
OUT
=2.2
F
Figure 5. Current Limit for SPX1117M3-3.3, Output
Voltage Deviation with I
OUT
=10mA to 1A Step
3.280
3.285
3.290
3.295
3.300
3.305
3.310
3.315
3.320
10
100
1000
Output Current (mA)
Output V
oltage
3.300
3.305
3.310
3.315
3.320
3.325
4.5
6.5
8.5
10.5
12.5
14.5
Vin (V)
V
out (V)
0.9
1.0
1.1
1.2
1.3
100
200
300
400
500
600
700
800
900
1000
Io (mA)
Dropout V
oltage (V)
1.225
1.23
1.235
1.24
1.245
1.25
1.255
1.26
1.265
1.27
1.275
-50
-30
-10
10
30
50
70
90
110
130
Temp (C)
V
out (V)
1.25v Adj
125C
22F
Indicating Current
Limit Starts
V
IN
= 4.0V
V
IN
=3.3V Fixed
1
O
=10mA
C
IN
=1F Tan Cap
C
OUT
=2.2F Tan Cap
100
0
-100
1.5
1.0
0.5
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Time (ms)
Output Current
(A)
Output Deviation
(mV)
0.00
0.50
1.00
1.50
2.00
-50
-25
0
25
50
75
100
125
Temp (
o
C)
Current Limit (A)
Figure 6. V
OUT
vs Temperature, V
IN
=2.5V, I
OUT
=10mA
Figure 4. Current Limit for SP1117M3-3.3; V
IN
=4.8V,
C
IN
=C
OUT
=1
F, I
OUT
pulsed from 10mA to Current
Limit
5
Date: 8/25/04 SPX1117 800mA Low Dropout Voltage Regulator
Copyright 2004 Sipex Corporation
Figure 7. V
IN
=3.0V, I
OUT
=10mA
Figure 9. V
IN
=4.0V, I
OUT
=10mA
Figure 12. V
IN
=5.0V, I
OUT
=10mA
TYPICAL PERFORMANCE CHARACTERISTICS: Continued
1.47
1.48
1.49
1.5
1.51
1.52
1.53
-50
-30
-10
10
30
50
70
90
110
130
Temp (C)
V
out (V)
1.5v Adj
1.5v Fixed
1.76
1.77
1.78
1.79
1.8
1.81
1.82
1.83
1.84
-50
-30
-10
10
30
50
70
90
110
130
Temp (C)
V
out (V)
1.8v Adj
1.8v Fixed
2.45
2.46
2.47
2.48
2.49
2.5
2.51
2.52
2.53
2.54
2.55
-50
-30
-10
10
30
50
70
90
110
130
Temp (C)
V
out (V)
2.5v Adj
2.5v Fixed
2.8
2.82
2.84
2.86
2.88
2.9
2.92
-50
-30
-10
10
30
50
70
90
110
130
Temp (C)
V
out (V)
2.85v Adj
2.85v Fixed
2.94
2.96
2.98
3
3.02
3.04
3.06
-50
-30
-10
10
30
50
70
90
110
130
Temp (C)
V
out (V)
3v Adj
3v Fixed
3.26
3.28
3.3
3.32
3.34
3.36
3.38
-50
-30
-10
10
30
50
70
90
110
130
Temp (C)
V
out (V)
3.3v Adj
3.3v Fixed
Figure 8. V
IN
=3.3V, I
OUT
=10mA
Figure 10. V
IN
=4.85V, I
OUT
=10mA
Figure 11. V
IN
=4.85V, I
OUT
=10mA
Figure 14. Output Voltage vs Temperature at different
Current Loads, V
IN
=3.3V, V
OUT
= 1.8V Adjustable
Figure 13. Line Regulation vs Temperature. V
OUT
=1.8V
(adjustable), V
IN
= 3.3V
-8
-6
-4
-2
0
2
4
6
-40
-20
0
20
40
60
80
100
Ambient Temperature,*C
Output V
oltage Change, mV
1.806
1.807
1.808
1.809
1.81
1.811
1.812
1.813
1.814
1.815
1.816
-40
-20
0
20
40
60
80
100
Ambient Temperature, *C
V out, V
800mA
400mA
10mA
Figure 15. Line Regulation at I
LOAD
=800mA over
Temperature, V
OUT
=1.8V adjustable
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
3
4
5
6
Vin, V
V
out tolerance,%
-40C
+25C
+85C