LM3559TLX National Semiconductor Corporation, LM3559TLX Datasheet - Page 7

• Manufacturer Part Number: LM3559TLX
• Description: Synchronous Boost Flash Driver With Dual 900 Ma High Side Current Sources 1.8a Total Flash Current
• Manufacturer: National Semiconductor Corporation

Typical Performance Characteristics
FDSD0312-1R0, R
Dual LED's (Flash Brightness Codes 0xBB - 0xFF)
Dual LED's (Torch Brightness Codes 0x0F - 0xCF)
Flash Duration Register bits [6:5]=00
Closed loop Current Limit vs V
L
LED Efficiency vs VIN
LED Efficiency vs VIN
= 43 mΩ), Typical Application Circuit, unless otherwise noted.
IN
(Note
30102853
30102885
30102848
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V
IN
= 3.6V, C
Dual LED's (Flash Brightness Codes 0x88 - 0xAA)
Dual LED's (Torch Brightness Codes 0x00 - 0x04)
Flash Duration Register bits [6:5]=01
OUT
Closed loop Current Limit vs V
= 10µF, C
LED Efficiency vs VIN
LED Efficiency vs VIN
IN
= 10µF, L = 1µH (TOKO
IN
(Note
30102852
30102886
30102849
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8)