LP3906SQ-JXXI Datasheet, PDF (10/47 Pages) Texas Instruments – Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C ompatible

LP3906
SNVS456M – AUGUST 2006 – REVISED MAY 2013
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TYPICAL PERFORMANCE CHARACTERISTICS — LDO
T_A = 25°C unless otherwise noted
Output Voltage Change
vs
Temperature (LDO1)
Vin = 4.3V, Vout = 3.3V, 100 mA load
2.00
Output Voltage Change
vs
Temperature (LDO2)
Vin = 4.3V, Vout = 1.8V, 100 mA load
2.00
1.50
1.50
1.00
1.00
0.50
0.50
0.00
0.00
-0.50
-0.50
-1.00
-1.00
-1.50
-1.50
-2.00
-50 -35 -20 -5 10 25 40 55 70 85 100
TEMPERATURE (°C)
Figure 4.
-2.00
-50 -35 -20 -5 10 25 40 55 70 85 100
TEMPERATURE (°C)
Figure 5.
Load Transient (LDO1)
3.6 Vin, 3.3 Vout, 0 – 100 mA load
Load Transient (LDO2)
3.6 Vin, 1.8 Vout, 0 – 100 mA load
Figure 6.
Line Transient (LDO1)
3.6 - 4.5 Vin, 3.3 Vout, 150 mA load
Figure 7.
Line Transient (LDO2)
3 – 4.2 Vin, 1.8 Vout, 150 mA load
Figure 8.
Figure 9.
10
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