SPX3940AT-2.5
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Kynix Part #: KY32-SPX3940AT-2.5
Manufacturer Part#:

SPX3940AT-2.5

Product Category: IC Chips
Manufacturer: Sipex
Description:
  datasheetSPX3940AT-2.5 Datasheet
Package: TO-263-3
Quantity: 3728 PCS
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level(MSL): 3(168 Hours)
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Manufacturer: Sipex
Product Category: IC Chips
Features, Applications

FEATURES 1% Output Accuracy SPX3940A Guaranteed 1.5A Peak Current Low Quiescent Current Low Dropout Voltage at 1A Extremely Tight Load and Line Regulation Extremely Fast Transient Response Reverse-battery Protection Internal Thermal Protection Internal Short Circuit Current Limit Replacement for LM3940 Standard SOT-223, TO-220 and TO-263 packages


APPLICATIONS Powering VGA & Sound Card Automotive Electronics LCD Monitors Cordless Telephones Power PCTM Supplies SMPS Post-Regulator Laptop, Palmtop, and Notebook Computer High Efficiency Linear Power Supplies Portable Instrumentation Constant Current Regulators


DESCRIPTION The a 1A, accurate voltage regulators with a low drop out voltage at 1A. These regulators are specifically designed for low voltage applications that require a low dropout voltage and a fast transient response. They are fully fault protected against over-current, reverse battery, and positive and negative voltage transients. The SPX3940 is offered & TO-263 packages. For a 3A version, refer to the SPX29300 data sheet.


Lead Temperature (soldering, 5 seconds)................................. 260°C Storage Temperature Range..................................... to +150°C Operating Junction Temperature Range................... to +125°C Input Voltage (Note 5)................................................................... 16V


At VIN=VOUT + 1V and IOUT = 10 mA, CIN = 6.8 μF, COUT = 10μF; TA= 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) IGNDDO Ground Pin Current at Dropout Current Limit Output Noise Voltage 100kHz) IL=100mA Thermal Resistance VIN=VOUT+1V, 10mAIOUT1A Output Voltage Temperature Coef. IO =750mA, VIN=VOUT, =1A VIN=0.1V less than specified VOUT IOUT= 10mA VOUT=0V (Note 2) CL= CL=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 °C/W mA A μVRMS % ppm/°C mV IOUT 6VVIN16V V IOUT 6VVIN16V V IOUT 6VVIN16V V IOUT 6VVIN16V 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 99% of its normal value. Note 2: VIN=VOUT (NOMINAL) + 1V. For example, use VIN=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.



Search Part number : "SPX39" Included word is 15
Part Number Manufacturer Package Quantity Description
SPX3940M3-3.3/TR SIPEX/EXAR SOT223 18419
SPX3940T-L-1.8 SIPEX TO-263-3 156
SPX3940AM3-1.8-L SIPEX SOT-223 146
SPX3940AT-3.3 Sipex TO-263-3 15472
SPX3940M3-5.0 Sipex SOT-223 53360
SPX3940T-L-3.3 SIPEX TO-263-3 910
SPX3940T-L-5-0/TR Exar Corporation TO-263-4, D²Pak (3 Leads + Tab), TO-263AA 3738 IC REG LDO 5V 1A TO263-3
SPX3940AM3-2.5 SIPEX TO-252 5586
SPX3940AT-3-3 SIPEX TO263 113
SPX3940M3-5.0/TR 30000SIPEX SOT223 3627
SPX3940AM3-2.5/TR Sipex SOT223 630
SPX3940AT-5.0 Sipex TO-263-3 551
SPX3940M3-5.0-L SIPEX SOT-223 450
SPX3940U-1.8 Sipex TO-220-3 624
SPX3940AM3-2.5-L SIPEX SOT-223 148
SPX3940AT-2.5 RELATED PRODUCT PICTURE
left
  • SPX3940M3-3.3/TR
  • SPX3940T-L-1.8
  • SPX3940AM3-1.8-L
  • SPX3940AT-3.3
  • SPX3940M3-5.0
  • SPX3940T-L-3.3
  • SPX3940T-L-5-0/TR
  • SPX3940AM3-2.5
  • SPX3940AT-3-3
  • SPX3940M3-5.0/TR
  • SPX3940AM3-2.5/TR
  • SPX3940AT-5.0
  • SPX3940M3-5.0-L
  • SPX3940U-1.8
  • SPX3940AM3-2.5-L
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