LP3958 Datasheet, PDF (11/36 Pages) National Semiconductor (TI) – Lighting Management Unit with High Voltage Boost Converter

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Vin = 3.6V, Vout = 18.0V if not otherwise stated
Battery Current vs Voltage
ILOAD = 70 mA
V_OUT = 18 V
V_OUT = 8 V
Figure 7.
Boost Line Regulation 3.0V - 3.6V, no load
Figure 9.
LP3958
SNVS423C – JANUARY 2006 – REVISED MARCH 2013
Boost Output Voltage vs. Current
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V_IN = 3.0V
L = Coilcraft LPS4018-103ML
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0 20 40 60 80
100 120
OUTPUT CURRENT (mA)
Figure 8.
Boost Turn On Time with No Load
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18
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8
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V_OUT TARGET VALUE = 18V
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2
0 12 3 45 6 7 8
TIME (ms)
Figure 10.
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