LM3552SD/NOPB National Semiconductor, LM3552SD/NOPB Datasheet - Page 7

• Manufacturer Part Number: LM3552SD/NOPB
• Description: IC LED DRIVER PHOTO FLASH 14-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Photo Flash LEDr

Specifications of LM3552SD/NOPB

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Flash/Torch
• Type - Secondary: White LED
• Frequency: 900kHz ~ 1.6MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 10.6 V ~ 12.4 V
• Mounting Type: Surface Mount
• Package / Case: 14-LLP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Efficiency: 93%
• For Use With: LM3552SDEV - BOARD EVALUATION LM3552SD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM3552SD; LM3552SDNOPB; LM3552SDNOPBTR; LM3552SDNOPBTR; LM3552SDTR

Ch1 = V
Ch1 = V
Typical Switching Waveform
Sharp LED in Flash Mode
Start-Up Waveform
SD
SW
Sharp LED
, Ch3 = I
, Ch3 = I
LED
LED
, Ch4 = I
, Ch4 = I
20151232
20151233
IN
L
7
Ch1 = V
Start-Up Waveform
SD
Lumiled LED
, Ch3 = I
LED
, Ch4 = I
20151235
IN
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