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LP3933 Datasheet, PDF (10/18 Pages) National Semiconductor (TI) – Lighting Management System for Six White LEDs and Two RGB or FLASH LEDs
Boost Output Voltage Control
User can control the boost output voltage by boost output 8-bit register.
Boost [7:0]
Register 0Dh
Bin
Hex
0000 0000
00
0000 0001
01
0000 0011
03
0000 0111
07
0000 1111
0F
0001 1111
1F
0011 1111
3F
0111 1111
7F
1111 1111
FF
BOOST Output Voltage
(typical)
4.10
4.25
4.40
4.55
4.70
4.85
5.00 Default
5.15
5.30
Boost Output Voltage Control
20080510
Boost Converter Typical Performance Characteristics VIN = 3.6V, VOUT = 5.0V if not
otherwise stated.
Boost Converter Efficiency
Boost Frequency vs RT Resistor
20080518
20080526
www.national.com
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