LM3559TLX/NOPB National Semiconductor, LM3559TLX/NOPB Datasheet - Page 7

• Manufacturer Part Number: LM3559TLX/NOPB
• Description: LM3559
• Manufacturer: National Semiconductor
• Series: -r

Specifications of LM3559TLX/NOPB

• Constant Current: Yes
• Constant Voltage: -
• Topology: High Side, PWM, Step-Up (Boost)
• Number Of Outputs: 2
• Internal Driver: Yes
• Type - Primary: Flash/Torch
• Type - Secondary: White LED
• Frequency: 1.8MHz ~ 2.2MHz
• Voltage - Supply: 2.5 V ~ 5.5 V
• Voltage - Output: -
• Mounting Type: Surface Mount
• Package / Case: 16-UFBGA
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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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7
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)