LM3552SD/NOPB National Semiconductor, LM3552SD/NOPB Datasheet - Page 5

• 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

Typical Performance Characteristics
(R
C
Note 14: I
FTO
C
= 10kΩ, C
= 1µF, C
CL
measure when V
Converter Efficiency vs. Input Voltage
C
SS
Current Limit vs. Input Voltage
= 4.7nF, C
= 0.1µF.
Lumiled Flash LED
OUT
IN
V
= 95% × V
OUT
= C
OUT
= 5V
OUT
= 10µF for Lumiled LED), (R
(nominal)
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Unless otherwise specified: T
Note 15: I
C
= 27kΩ, C
CL
measure when V
Converter Efficiency vs. Input Voltage
C
= 10nF, C
Current Limit vs. Input Voltage
Sharp Flash LED
IN
OUT
= 10µF, C
V
= 95% × V
OUT
A
= +25°C; V
= 10V
OUT
OUT
(nominal)
= 4.7µF for Sharp LED),
IN
= 3.6V; L = 4.7µH,
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