Voltage Regulator. SPX2815 Datasheet

SPX2815 Regulator. Datasheet pdf. Equivalent


Sipex Corporation SPX2815
www.DataSheet4U.com
SPX2815
1.5A Low Dropout Voltage Regulator
FEATURES
APPLICATIONS
Guaranteed 1.5A Output Current
Desktop PCs, Servers
Three Terminal Adjustable or Fixed
2.5V, 3.3V and 5.0V
Low Quiescent Current
Low Dropout Voltage of 1.1V @ 1.5A
0.1% Line and 0.1% Load Regulation
Stable with 10uF Ceramic Capacitor
Overcurrent and Thermal Protection
Available Packages: TO-252,
TO-220, and TO-263
Similar to Industry Standard LT1086/
LT1586
Powering VGA and Sound Cards
Cordless Phones
Battery Chargers
Adjustable Power Supplies
Portable Instrumentation
SMPS Post-Regulator
Constant Current Regulators
Disk Drives
Refer to Page 5 for Pinouts
Now Available in Lead Free Packaging
DESCRIPTION
The SPX2815 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 SPX2815 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. SPX2815 is available in adjustable
or fixed 2.5V, 3.3V and 5.0V output voltages.
The SPX2815 is offered in several 3-pin surface mount packages: TO-252, TO-220 and TO-263.
An output capacitor of 10μF ceramic or tantalum provides unconditional stability.
FUNCTIONAL DIAGRAM (Adjustable)
VIN
Current Limit
Thermal Limit
I TL
+
-
ICL
+
_
AMP+ 1.25V
VOUT
VREF
ADJ/GND
IADJ ~ 50μA
Date: 6/21/06 Rev C
SPX2815 1.5A Low Dropout Voltage Regulator
1
© 2006 Sipex Corporation


SPX2815 Datasheet
Recommendation SPX2815 Datasheet
Part SPX2815
Description Low Dropout Voltage Regulator
Feature SPX2815; www.DataSheet4U.com SPX2815 1.5A Low Dropout Voltage Regulator FEATURES ■ Guaranteed 1.5A Output C.
Manufacture Sipex Corporation
Datasheet
Download SPX2815 Datasheet




Sipex Corporation SPX2815
Power Dissipation.......................................Internally Limited
Lead Temperature (soldering, 5 seconds) ...............260°C
Storage Temperature Range.......................-65°C to +150°C
ABSOLUTE MAXIMUM RATINGS
Operating Junction Temperature Range.....-40°C to +125°C
Input Supply Voltage .................................................... +10V
Input to Output Voltage ................................................ +8.8V
ESD Rating .............................................................. 2kV min
ELECTRICAL CHARACTERISTICS
at VIN=VOUT + 1.5V, TA = 25°C, CIN = COUT = 10μF, IOUT =10mA, unless otherwise specified. The Boldface applies over the
full operating temperature range.
PARAMETER
MIN TYP MAX MIN TYP MAX UNITS
CONDITIONS
2.5V Version
SPX2815A
SPX2815
Output Voltage
3.30V Version
2.475 2.500 2.525 2.450 2.500 2.550 V
2.450
2.550 2.425
2.575
IOUT = 10mA, VIN =4.5V
10mA IOUT 1.5A, 4.25V VIN 10V
Output Voltage
5.0V Version
3.267 3.300 3.333 3.234 3.300 3.366 V
3.234
3.366 3.201
3.399
I = 10mA, V =5V
OUT IN
10mA
I
OUT
1.5A,
4.75V
V
IN
10V
Output Voltage
All Voltage Options
4.950 5.000 5.050 4.900 5.000 5.100 V
4.900
5.100 4.850
5.150
IOUT=10mA, VIN=7V
10mA IOUT 1.5A, 6.50V VIN 10V
Reference Voltage
Output Voltage
Temperature Stability
1.238 1.250
1.225
0.3
1.262 1.225 1.250
1.275 1.212
0.5
1.275
1.287
V
%
IOUT=10mA, (VIN - VOUT )= 2V
10mAIOUT1.5A, 1.5V(VIN-VOUT)10V
Line Regulation
Load Regulation
Dropout Voltage
(Note 2)
Quiescent Current
0.1 0.2
0.1 0.2
0.1 0.2
0.1 0.3
0.1 0.3
0.1 0.3
1.00
1.10 1.2
4 10
0.1 0.2
0.1 0.2
0.1 0.2
0.1 0.3
0.1 0.3
0.1 0.3
1.00
1.10 1.2
4 10
%
%
V
mA
4.25VVIN
10V,V =2.5V,I =10mA
OUT OUT
4.75VVIN
10V,V =3.3V,I =10mA
OUT OUT
6.50VVIN
10V,V =5.0V,I =10mA
OUT OUT
10mAIOUT1.5A, VOUT=2.5V
10mAIOUT1.5A, VOUT=3.3V
10mAIOUT1.5A, VOUT=5.0V
IOUT=0.5A
IOUT=1.5A
Fixed voltage versions
Adjust Pin Current
Current Limit
Thermal Regulation
Ripple Rejection
Long Term Stability
RMS Output Noise
Thermal Resistance
50
2.5
0.01
60 75
120 50
2.5
0.1 0.01
60 75
120
0.1
μA
A
%/W
dB
0.03
0.003
3
29.3
3
31.4
6
50
0.03
0.003
3
29.3
3
31.4
6
50
%
%
°C/W
(VIN-VOUT)=5V
25°C, 30mS pulse
fRIPPLE=120Hz, (VIN-VOUT)=2V,
VRIPPLE=1VPP
125°C, 1000Hrs
% of VOUT, 10Hzf10kHz
TO-220 Junction to Case, at Tab
TO-220 Junction to Ambient
TO-263 Junction to Case, at Tab
TO-263 Junction to Ambient
TO-252 Junction to Case, at Tab
TO-252 Junction to Ambient
Date: 6/21/06 Rev C
SPX2815 1.5A Low Dropout Voltage Regulator
2
© 2006 Sipex Corporation



Sipex Corporation SPX2815
TYPICAL PERFORMANCE CHARACTERISTICS
3.325
3.320
3.315
3.310
3.305
3.300
4.5 6.5 8.5 10.5 12.5 14.5
Vin (V)
Figure 1. Line Regulation for SPX2815U-3.3; IOUT=10mA
1.275
1.27
1.265
1.26
1.255
1.25
1.245
1.25v Adj
1.24
1.235
1.23
1.225
-50 -30 -10 10 30 50 70 90 110 130
Temp (C)
Figure 2. VOUT vs Temperature, VIN=2.5V, IOUT=10mA
2.55
2.54 2.5v Adj
2.53 2.5v Fixed
2.52
2.51
2.5
2.49
2.48
2.47
2.46
2.45
-50 -30 -10 10 30 50 70 90 110 130
Temp (C)
Figure 3. VIN=4.0V, IOUT=10mA
3.38
3.36
3.34
3.3v Adj
3.3v Fixed
3.32
3.3
3.28
3.26
-50 -30 -10 10 30 50 70 90 110 130
Temp (C)
Figure 4. VIN=5.0V, IOUT=10mA
Output Capacitor
To ensure the stability of the SPX2815, an
output capacitor of at least 10μF (ceramic or
tantalum) or 22μF (aluminum) is required. The
value may change based on the application
requirements of the output load or temperature
range. The value of Equivalent Series Resis-
tance (ESR) can vary based on the type of
capacitor used in the applications to guarantee
stability. The recommended value for ESR is
0.5Ω or less. A larger value of output capaci-
tance (up to 100μF) can improve the load tran-
sient response.
Soldering Methods
The SPX2815 die is attached to the heatsink lead
which exits opposite the input, output, and ground
pins.
Thermal Characteristics
The SPX2815 features internal thermal limiting
to protect the device during overload condi-
APPLICATION INFORMATION
tions. Special care needs to be taken during
continuous load conditions such that the maxi-
mum junction temperature does not exceed
125°C. Thermal protection is activated at >179°C
and deactiviated at <165°C.
The thermal interaction from other components
in the application can affect the thermal resis-
tance of the SPX2815. The actual thermal
resistance can be determined with experimenta-
tion.
SPX2815 power dissipation is calculated as
follows:
PD = (VIN - VOUT)(IOUT)
Maximum Junction Temperature range:
TJ = TA(max) + PD* θJA (thermal resistance,
junction-to-ambient)
Maximum junction temperature must not ex-
ceed 125°C.
Date: 6/21/06 Rev C
SPX2815 1.5A Low Dropout Voltage Regulator
3
© 2006 Sipex Corporation







@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)