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Part: SPX2810AT
Category:
Description: 1A Low Dropout Voltage Regulator Adjustable & Fixed Output,fast Response
Company: Sipex Corporation
Datasheet: Download SPX2810AT datasheet File size : 309 kB
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Datasheet text preview:
SPX2810
1A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response
FEATURES
· Adjustable Output Down To 1.2V · Fixed Output Voltages 1.5V, 2.5V, 3.0V, 3.3V, 5.0V · Output Current Of 1A · Low Dropout Voltage 1.2V Typ. · Extremely Tight Load And Line Regulation · Current & Thermal Limiting · Standard 3-Terminal Low Cost TO-220, TO-263, TO-252 & SOT-223
APPLICATIONS
· Portable Palmtop/Notebook Computer · SMPS Post-Regulator · Disk Drives · Portable Consumer Equipment · Portable Instrumentation · Battery charger
PRODUCT DESCRIPTION
The SPX2810 is a low power positive voltage regulator designed to source 1A output current. This device is an excellent choice for use in battery-powered applications and portable computers. The SPX2810 features very low quiescent current and very low dropout voltage of 1.2V at a full load and lower as output current decreases. This product is available as adjustable or fixed 1.5V, 2.5V, 3.0V, 3.3V, and 5V output voltages. The SPX2810 is offered in a 3-pin surface mount packages SOT-223, TO-220, TO-252 & DD package. The output capacitor of 10µF or larger is needed for the output stability of SPX2810 as required by most other regulator circuits
PIN CONNECTIONS
SOT-223 (M3)
TO-263-3 (T)
TO-220-3 (U)
TO-252 (R)
SPX2810 1 2 3
1
SPX2810
2 3
SPX2810
1 2 3
SPX2810
1 2 3
ADJ/ GND VOUT VIN
Top View
ADJ/GND VOUT VIN
ADJ/GND VOUT VIN
Front View
ADJ/GND VOUT VIN
Top View
Front View
Rev. 10/30/00
SPX2810
ABSOLUTE MAXIMUM RATINGS
Lead Temp. (Soldering, 10 Seconds) ...... 300°C Storage Temperature Range .... -65° to +150°C Operating Junction Temperature Range .... SPX2810 Control Section.. -45°C +125°C SPX2810 Power Transistor.......-45°C +150°C Input Voltage........ 10V Input to Output Voltage Differential ........... 10V
ELECTRICAL CHARACTERISTICS (NOTE 1) at IOUT = 10mA, TA=25°C, unless otherwise specified.
PARAMETER 1.5V Version Output Voltage (Note 2) 2.5V Version Output Voltage (Note 2) 2.85V Version Output Voltage (Note 2) 3.0V Version Output Voltage (Note 2) 3.3V Version Output Voltage (Note 2) 5.0V Version Output Voltage (Note 2) All Voltage Options Reference Voltage (VREF) Min. Load Current (Note 3) Line Regulation (VREF(Vin)) Load Regulation(VREF(IOUT)) VIN 7V, P Pmax 1.5V (VIN -VOUT)5.75V, 10mAIOUT1A 1.5V (VIN VOUT)5.75V 2.75VVIN 7V, IOUT=10mA, TJ=25ºC (Note 3) VIN7V, IOUT=0mA, TJ=25ºC (Note 2) 10mAIOUT 1A, (VIN-VOUT)=3V, TJ=25ºC (Note 3) 0IOUT 1A, VIN=7V, TJ=25ºC (Note 2) VREF=1% IOUT = 1A (Note 3) IOUT 1A (Note 2) VIN=7V 1.4V (VIN- VOUT) (Note3) 1.250 5 0.005 0.005 0.05 0.05 1.1 2 1.2 1.225 1.263 1.270 1.225 10 0.2 0.2 0.3 0.3 1.2 1.2 1.225 1.212 1.270 1.288 10 0.2 0.2 0.3 0.3 1.2 A % V mA % SPX2810-5.0V, 0 IOUT 1A, 6.5VVIN12V 5 4.950 4.900 5.050 5.100 4.9 4.65 5.1 5.15 V SPX2810-3.3V, 0 IOUT 1A, 4.8VVIN10V 3.3 3.267 3.234 3.333 3.366 3.234 3.069 3.366 3.399 V SPX2810-3.0V, 0 IOUT 1A, 4.5VVIN10V 3 2.970 2.940 3.030 3.060 2.94 2.79 3.06 3.09 V SPX2810-2.85V, 0 IOUT 1A, 4.5VVIN10V 2.85 2.822 2.793 2.879 2.907 2.793 2.650 2.907 2.936 V CONDITIONS Typ SPX2810A Min SPX2810-1.5V, 0 < IOUT < 1A, 3.3VDropout Voltage Current Limit IOUT(MAX)
Rev. 10/30/00
SPX2810
ELECTRICAL CHARACTERISTICS (Cont.)
Long Term Stability Thermal Regulation (VOUT(Pwr)) Temperature Stability (VOUT(T)) Output Noise, RMS Thermal Resistance TA=125ºC, 1000 Hrs. TA=25ºC, 20 ms pulse 10Hz to 10kHz TO-220 DD Package SOT-223 Package TA=25ºC Junction to Tab Junction to Ambient Junction to Tab Junction to Ambient Junction to Tab Junction to Ambient 0.3 (Note 2) 0.01 0.25 0.003 3.0 60 3.0 60 15 156 3.0 60 3.0 60 15 156 ºC/W 1 0.020 1 0.020 % %/W % % Vo
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
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