lp5527tlx National Semiconductor Corporation, lp5527tlx Datasheet - Page 9

• Manufacturer Part Number: lp5527tlx
• Description: Tiny Led Driver For Camera Flash And 4 Leds With I2c Programmability, Connectivity Test And Audio Synchronization
• Manufacturer: National Semiconductor Corporation

Boost Converter Typical Performance Characteristics
T
= 5.0V, C
= 100 nF, L1 = 4.7 µH (Note 9).
J
= 25
o
Boost Line Regulation 3.0V - 3.6V, no load
C. Unless otherwise noted, typical performance characteristics apply to the LP5527 Block Diagram with: V
IN
= 10 µF, C
Boost Converter Efficiency
Battery Current vs Voltage
OUT1
= 10 µF, C
OUT2
= 10
µ
20184079
20184081
20184083
F, C
VDD_IO
= 100 nF, C
9
VREF
Boost Typical Waveforms at 100 mA Load
= 100 nF, C
Boost Startup Time with No Load
Boost Frequency vs RT Resistor
VDDA
= 4.7 µF, C
VDD1
= 100 nF, C
IN
20184082
20184084
= 3.6V, V
20184080
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VDD2
OUT