LP3954 Datasheet, PDF (11/60 Pages) National Semiconductor (TI) – Advanced Lighting Management Unit

www.ti.com
LP3954
SNVS340D – JUNE 2005 – REVISED MARCH 2013
Figure 3. Boost Output Voltage Control
BOOST FREQUENCY CONTROL
freq_sel[2:0] ⁽¹⁾
1XX
01X
001
frequency
2.00 MHz
1.67 MHz
1.00 MHz
(1) Register ‘boost freq’ (address 0EH). Register default value after
reset is 07H.
Boost Converter Typical Performance Characteristics
Vin = 3.6V, Vout = 5.0V if not otherwise stated
Boost Converter Efficiency
Boost Typical Waveforms at 100mA Load
Figure 4.
TIME (200 ns/DIV)
Figure 5.
Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: LP3954
Submit Documentation Feedback
11