SPX3819S-L Exar Corporation, SPX3819S-L Datasheet
SPX3819S-L
Specifications of SPX3819S-L
Available stocks
Related parts for SPX3819S-L
SPX3819S-L Summary of contents
Page 1
LOW-NOISE LDO VOLTAGE REGULATOR JULY 30, 2008 FEATURES ■ Low Noise: 40µV Possible ■ High Accuracy: 1% ■ Reverse Battery Protection ■ Low Dropout: 340mV at Full Load ■ Low Quiescent Current: 90µA ■ Zero Off-Mode Current ■ Fixed ...
Page 2
... C =1.0µF, C =1µ (10Hz-100kHz) I =10mA, C =10µF, C =1µ BYP C =1µF, (10Hz-100kHz) IN OFF ON V ≤ 0. ≥ 2.0V IH ♦ SOT-23-5 / Junction to Ambient ♦ NSOIC-8 / Junction to Ambient DFN-8 / Junction to Ambient ♦ the junction to ambient thermal J(max) © 2008 Exar Corporation ...
Page 3
... Ground Current vs Input Voltage 3.350 3.345 3.340 3.335 3.330 3.325 3.320 3.315 3.310 3.305 3.300 3.295 3.290 4 400 500 Output Voltage vs Input Voltage 3 3.3V Device C = 1.0µ 100µ (V) IN 3.3V Device C = 1.0µ 100µ (V) IN © 2008 Exar Corporation ...
Page 4
... L 320 300 280 260 240 220 200 - 100 120 Ground Current vs Temperature with 50mA Load 4 3.3V Device 1.0µ 100 200 300 400 I (mA) L 3.3V Device 1.0µ 50mA L - 100 Temperature (°C) © 2008 Exar Corporation 500 120 ...
Page 5
... 100µA L 3.360 3.340 3.320 3.300 2.280 2.260 2.240 2.220 2.200 - Output Voltage vs Temperature 5 3.3V Device V = 4.3µ 1.0µ 500mA L - 100 120 Temperature (°C) 3.3V Device V = 4.3µ 1.0µ 500mA L - 100 120 Temperature (°C) © 2008 Exar Corporation ...
Page 6
... Bypass Cap (pF) Output Noise vs Bypass Capacitor Value I 10Hz - 100kHz Load Transient Response for 3.3V Device July 2008 Rev F SPX3819 500mA, Low Noise LDO Voltage Regulator 100000 1000000 Line Transient Response for 3.3V Device = 10mA © 2008 Exar Corporation ...
Page 7
... R 2 should be between 22 kΩ and 47kΩ. V OUT GND + EN BYP Hi-ON Lo-OFF Figure 2. Typical Adjustable Output Voltage Configuration 7 APPLICATION INFORMATION and R ) set the output voltage. The 1.235V OUT SPX3819 SOT- TOP View © 2008 Exar Corporation 2 V OUT ...
Page 8
... July 2008 Rev F SPX3819 500mA, Low Noise LDO Voltage Regulator PACKAGE: PIN DESCRIPTION ADJ/BYP EN GND OUT V OUT ADJ/BYP V OUT ADJ/BYP 4 5 SPX3819 5 Pin SOT- GND PACKAGE: PINOUTS 1 8 GND SPX3819 2 7 GND 8 Pin nSOIC 3 6 GND 5 GND 4 © 2008 Exar Corporation ...
Page 9
...
Page 10
...
Page 11
...
Page 12
... SPX3819S-L-2-5/TR 0.01 SPX3819S-L-3-0/TR 0.01 SPX3819S-L-3-1/TR 0.01 SPX3819S-L-3-3/TR 0.01 SPX3819S-L-5-0/TR 0.01 SPX3819S-L 0.01 SPX3819S-L-1-8 0.01 SPX3819S-L-2-5 0.01 SPX3819S-L-3-0 0.01 SPX3819S-L-3-1 0.01 SPX3819S-L-3-3 0.01 SPX3819S-L-5-0 0.01 SPX3819M5-L 0.01 SPX3819M5-L-1-2 0.01 SPX3819M5-L-1-5 0.01 SPX3819M5-L-1-8 0.01 SPX3819M5-L-2-5 0.01 SPX3819M5-L-3-0 0.01 SPX3819M5-L-3-1 0.01 SPX3819M5-L-3-3 0.01 SPX3819M5-L-5-0 ...
Page 13
... EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless EXAR Corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized ...