LP3952 Datasheet, PDF (11/46 Pages) National Semiconductor (TI) – 6-Channel Color LED Driver with Audio Synchronization

LP3952
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SNVS518A – JULY 2007 – REVISED MARCH 2013
Boost Converter Typical Performance Characteristics (continued)
Vin = 3.6V, Vout = 5.0V if not otherwise stated
Boost Load Transient, 50 mA–100 mA
Boost Switching Frequency
Figure 8.
Output Voltage vs Load Current
5.2
5.0
4.8
4.6
V_IN = 3V
4.4
f = 2 MHz
4.2
L - TDK VLF0410 4.7 PH
C_IN = C_OUT = 10 PF
4.0
3.8
3.6
0
100 200 300 400 500
OUTPUT CURRENT (mA)
Figure 10.
Figure 9.
Efficiency at Low Load vs Autoload
90
80
70
60
50
40
Autoload ON
Autoload OFF
30
20
0
5 10 15 20 25 30
LOAD CURRENT (mA)
Figure 11.
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