AAT3238 ETC, AAT3238 Datasheet
AAT3238
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AAT3238 Summary of contents
Page 1
... The AAT3238 MicroPower™ Low Dropout Linear Regulator is ideally suited for portable applications where very fast transient response, extended battery life and small size are critical. The AAT3238 has been specifically designed for high speed turn on and turn off performance, fast transient response, good ...
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... Bypass capacitor connection - to improve AC ripple rejection, connect a 10nF capacitor to GND. This will also provide a soft start function. Output pin - should be decoupled with 2.2µF ceramic capacitor. SC70JW-8 (Top View) BYP 1 OUT 2 OUT 3 OUT 4 AAT3238 GND 3238.2004.01.0.94 ...
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... Note 2: To calculate minimum input voltage, use the following equation: V 3238.2004.01.0.94 300mA MicroPower™ High Performance LDO (T =25°C unless otherwise noted) A (SOT23-6, SC70JW-8) 1 (SOT23-6, SC70JW- IN(MIN) OUT(MAX) AAT3238 Value Units /( -40 to 150 °C Rating ...
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... OUT T /T =2µ 1mA to 300mA, T <5µs OUT R BYP = open =10mA, C =10nF 10kHz OUT BYP Noise Power BW = 300Hz-50kHz is 98% of nominal. OUT . AAT3238 = 2.5 for IN Min Typ Max T =25°C -1.5 1 =-40 to 85°C -2.5 2.5 A 300 400 600 600 70 125 IN 1 0.09 =300mA, 2.5 OUT ...
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... I = 50mA OUT L 2.00 2.70 90.00 80.00 70.00 60.00 50.00 40. 30.00 OUT 20.00 10.00 0.00 200 250 300 2 1.203 1.202 1.201 1.200 1.199 1.198 1.197 1.196 -40 -30 -20 -10 AAT3238 Dropout Characteristics = 0mA I = 300mA OUT I = 150mA OUT I = 100mA OUT I = 50mA OUT = 10mA 2.80 2.90 3.00 3.10 3.20 V (V) IN Ground Current vs. Input Voltage I =300mA OUT I =150mA OUT I =50mA ...
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... OUT present OUT Load Transient Response 300mA 500 3.00 400 2.90 2.80 300 2.70 200 2.60 2.50 100 2.40 0 2.30 2.20 -100 2.10 AAT3238 C =10nF BYP 50 s/div Line Transient Response 100 s/div 800 700 600 V OUT 500 400 300 200 I 100 OUT 0 -100 10 s/div 3238.2004.01.0.94 3.04 3.03 3.02 3.01 3.00 2.99 2.98 ...
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... Typical Characteristics (Unless otherwise noted 5V AAT3238 Self Noise (ceramic) OUT 10 1 0.1 Band Power: 0.01 300Hz to 50kHz = 44.6 Vrms/rtHz 100Hz to 100kHz = 56.3 Vrms/rtHz 0.001 0.01 0 Frequency (kHz) V and V vs. VIN IH IL 1.250 1.225 1.200 V 1.175 IH 1.150 1.125 V 1.100 IL 1.075 1.050 2.5 3.0 3.5 4.0 VIN (V) 3238.2004.01.0.94 300mA MicroPower™ ...
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... LDO regulator turn-on time. This LDO regulator has complete short circuit and thermal protection. The integral combination of these two internal protection circuits give the AAT3238 a comprehensive safety system to guard against extreme adverse operating conditions. power dissipation is limited to the package type and thermal dissipation properties ...
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... Applications Information To assure the maximum possible performance is obtained from the AAT3238, please refer to the fol- lowing application recommendations. Input Capacitor Typically a 1µF or larger capacitor is recommend- ed for C in most applications not required for basic LDO regulator operation. However, if the AAT3238 is physically located more ...
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... LDO regulator to withstand indefinite short circuit conditions without sustaining permanent damage. No-Load Stability The AAT3238 is designed to maintain output volt- age regulation and stability under operational no- load conditions. This is an important characteristic for applications where the output current may drop to zero ...
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... Schottky diode across OUT cathode to V and anode OUT diode forward voltage should be less than 0.45 volts. 3238.2004.01.0.94 300mA MicroPower™ High Performance LDO OUT capaci decay IN from OUT for extended IN (connecting the ). The Schottky AAT3238 11 ...
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... SOT23-6 SOT23-6 FCXYY SOT23-6 SOT23-6 SOT23-6 SOT23-6 FCXYY AAT3238 Part Number (Tape and Reel) AAT3238IGU-1.2-T1 AAT3238IGU-1.5-T1 AAT3238IGU-1.6-T1 AAT3238IGU-1.8-T1 AAT3238IGU-1.85-T1 AAT3238IGU-2.0-T1 AAT3238IGU-2.3-T1 AAT3238IGU-2.5-T1 AAT3238IGU-2.7-T1 AAT3238IGU-2.8-T1 AAT3238IGU-2.85-T1 AAT3238IGU-3.0-T1 AAT3238IGU-3.3-T1 AAT3238IGU-3.5-T1 AAT3238IJS-1.2-T1 AAT3238IJS-1.5-T1 AAT3238IJS-1.8-T1 AAT3238IJS-2.0-T1 AAT3238IJS-2.3-T1 AAT3238IJS-2.5-T1 AAT3238IJS-2.7-T1 AAT3238IJS-2.8-T1 AAT3238IJS-2.85-T1 AAT3238IJS-3.0-T1 AAT3238IJS-3.3-T1 AAT3238IJS-3.5-T1 3238.2004.01.0.94 ...
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... Package Information 2.85 0.15 1.90 BSC 0.95 BSC 10 5 All dimensions in millimeters. 3238.2004.01.0.94 300mA MicroPower™ High Performance LDO SOT23-6 0.60 REF 0.40 0.10 6 AAT3238 0.15 0.07 GAUGE PLANE 0.45 0.15 0.10 BSC 13 ...
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... AnalogicTech deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed. Advanced Analogic Technologies, Inc. 830 E. Arques Avenue, Sunnyvale, CA 94085 Phone (408) 737-4600 Fax (408) 737-4611 14 300mA MicroPower™ High Performance LDO SC70JW-8 0.225 0.075 0.20 0.100 0.45 AAT3238 0.048REF 0. 2.10 0.30 3238.2004.01.0.94 ...