SPX2954AM3-L-5-0 Exar Corporation, SPX2954AM3-L-5-0 Datasheet
SPX2954AM3-L-5-0
Specifications of SPX2954AM3-L-5-0
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SPX2954AM3-L-5-0 Summary of contents
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Low Dropout Voltage Regulator FEATURES ■ 5.0V and 3.3V Versions at 250mA Output ■ Accurate 0.5% for SPX2954A ■ Very Low Quiescent Current ■ Low Dropout: 310mV at 250mA ■ Extremely Tight Load and Line Regulation ■ Very ...
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ABSOLUTE MAXIMUM RATINGS Power Dissipation........................................Internally Limited Lead Temperature (soldering, 5 seconds) Storage Temperature Range........................-65°C to +150°C Operating Junction Temperature Range......-40°C to +125°C Input Supply Voltage...........................................-0.3V to +30V ELECTRICAL CHARACTERISTICS PARAMETER CONDITIONS 3.3 V Versions Output Voltage T =25°C J -25°C≤T ...
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ELECTRICAL CHARACTERISTICS (Cont.) PARAMETER CONDITIONS Error Comparator Output Leakage Current V = 30V OH Output Low Voltage 400µA OL Upper Threshold Voltage (N OTE Lower Threshold Voltage (N OTE Hysteresis (N OTE Shutdown Input ...
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UNREGULATED DC + FROM 3 CMOS OR TTL SHUTDOWN SPX2954 Block Diagram, 8 Lead 5V Version TYPICAL PERFORMANCE CHARACTERISTICS 1.8 1.6 1.4 1.2 1.0 0.8 0.6 -75 -50 - 100 125 150 TEMPERATURE (ºC) Shutdown Threshold ...
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TYPICAL PERFORMANCE CHARACTERISTICS =50kΩ =50kΩ INPUT VOLTAGE (VOLTS) Dropout Characteristics 320 280 240 I = 1mA L 200 160 ...
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TYPICAL PERFORMANCE CHARACTERISTICS 500 I = 150mA L 400 300 200 ~ ~ 100µ -75 -50 - 100 125 150 TEMPERATURE (ºC) Drop-Out Voltage OUT 6 ...
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TYPICAL PERFORMANCE CHARACTERISTICS 2.3 2.1 1.9 1.7 -75 -50 - 100 125 150 TEMPERATURE Minimum Operating Voltage 250 200 150 100 1µF -100 OUT ~ ~ 100 ...
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APPLICATIONS HINTS EXTERNAL CAPACITORS The stability of the SPX2954 requires a 1µF or greater capacitor between output and ground. Oscillation could occur without this capacitor. Most types of tantalum or aluminum electro- lytic works fine here. For operations below -25°C ...
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APPLICATIONS HINTS ( CONT upper limit of 1.2MΩ on value presented the I produces an error of typically which may be eliminated at room OUT temperature by trimming improve the ...
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APPLICATIONS HINTS + 6V SEALED 1.5kΩ 120kΩ LEAD- ACID BATTERY SOURCE FB SPX385 400kΩ FOR 5.5 V 100kΩ Figure 4. Low Battery Disconnect 39kΩ RESET - C4 + 39kΩ 100kΩ 1kΩ LEAD- 1% ACID BATTERY 1% 1kΩ 10kΩ ...
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APPLICATIONS HINTS 3 AUX SHUTDOW SD INPUT OFF ON GND + TEMP AS35 SENSOR - Figure 6. System Over Temperature Protection 4 20mA OUT 1N4001 SPX2954 7 0.1µF FB GND 4 1N457 MIN VOLTAGE = ...
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E E FRONT VIEW Thermal Pad (L1) D1 BACK VIEW E1 Date: 12/9/05 Chamfer Optional Gauge Plane L 3 Pin TO-263 JEDEC TO-263 Inches SYMBOL Controlling Dimension MIN NOM A 0.160 - ...
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Pin TO-92 Dimensions in Inches: SYMBOL Controlling Dimension MIN NOM MAX A 0.170 - 0.195 b 0.014 - 0.020 E 0.130 - 0.155 e 0.095 - 0.105 e1 0.045 - 0.055 L 0.500 - 0.610 ...
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FRONT VIEW L e Seating Plane SIDE VIEW Chamfer Optional C A2 Date: 12/9/05 ø Pin TO-220 Dimensions in Inches: SYMBOL Controlling Dimension MIN A 0.140 A1 0.020 ...
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Pin1 Designator to be within this e INDEX AREA (D/2 x E1/2) TOP VIEW FRONT VIEW Gauge Plane ø 8 Pin NSOIC SYMBOL ...
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Pin SOT-223 SYMBOL ø SIPEX Pkg Signoff Date/Rev: Date: 12/9/ TOP VIEW b Gauge Plane A L2 ...
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... SPX2954AS-5-0 ............................................ 0.5% ................................... 5.0V ........................................................ 8 lead SOIC SPX2954S-3-3 ................................................. 1% ..................................... 3.3V ........................................................ 8 lead SOIC SPX2954S-5-0 ................................................. 1% ..................................... 5.0V ........................................................ 8 lead SOIC SPX2954AM3-3-3 .......................................... 0.5% ................................... 3.3V ........................................................ 3 lead SOT-223 SPX2954AM3-5-0 .......................................... 0.5% ................................... 5.0V ........................................................ 3 lead SOT-223 SPX2954M3-3-3 .............................................. 1% ..................................... 3.3V ........................................................ 3 lead SOT-223 SPX2954M3-5-0 .............................................. 1% ..................................... 5.0V ........................................................ 3 lead SOT-223 Please consult the factory for pricing and availability on a Tape-On-Reel option. ...