LM3552SD/NOPB National Semiconductor, LM3552SD/NOPB Datasheet - Page 5
![IC LED DRIVER PHOTO FLASH 14-LLP](/photos/7/34/73425/pkg_sda14b_sml.jpg)
LM3552SD/NOPB
Manufacturer Part Number
LM3552SD/NOPB
Description
IC LED DRIVER PHOTO FLASH 14-LLP
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
Photo Flash LEDr
Datasheet
1.LM3552SDNOPB.pdf
(16 pages)
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
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)
20151220
20151211
5
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,
20151223
20151212
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