LP3907 Datasheet, PDF (12/58 Pages) National Semiconductor (TI) – Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C Compatible Interface

LP3907
SNVS511S – JUNE 2007 – REVISED APRIL 2016
7.12 Typical Characteristics — Bucks
V_IN= 2.8 V to 5.5 V, T_A = 25°C
0.15
0.12
VIN = 5.5V
0.09
VIN = 3.6V
0.06
VIN = 2.7V
0.03
0.00
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
Figure 10. Shutdown Current vs. Temp
1.85
1.83
1.81
1.79
I_OUT = 20 mA
I_OUT = 750 mA
1.77
I_OUT = 1.0A
1.75
2.7 3.3 3.8 4.4 4.9
V_OUT = 1.8 V
SUPPLY VOLTAGE (V)
Figure 12. Output Voltage vs. Supply Voltage
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1.05
1.03
1.01
I_OUT = 20 mA
I_OUT = 750 mA
0.99
0.97
I_OUT = 1.0A
0.95
2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_OUT = 1 V
SUPPLY VOLTAGE (V)
Figure 11. Output Voltage vs. Supply Voltage
3.35
3.33
3.31
I_OUT = 300 mA
I_OUT = 20 mA
3.29
3.27
I_OUT = 600 mA
3.25
4.0
V_OUT = 3.5 V
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
Figure 13. Output Voltage vs. Supply Voltage
12
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