7

Date: 1/2/06

SP4446 High Output Voltage Boost Regualtor, LCD Bias Regulator

© Copyright 2006 Sipex Corporation

Vin=3.3V;Vout = 20V Efficiency

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4567

Iout (mA)

10 uH

22 uH

Vin=5V;Vout = 20V Efficiency

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Iout (mA)

10 uH

22 uH

PERFORMANCE CHARACTERISTICS

Figure 11. 20V Output Efficiency (V

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2.7

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Input Voltage (V)

10uH

22uH

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Input Voltage (V)

10uH

22uH

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678

Input Voltage (V)

Tamb=-40°C

Tamb=25°C

Tamb=85°C

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78

Input Voltage (V)