LM3553SD vs LM3551SD

Product Attributes

Part Number LM3553SD LM3551SD
Manufacturer National Semiconductor Texas Instruments
Category PMIC - LED Drivers PMIC - LED Drivers
LM3553SD LM3551SD
Product Status Active Obsolete
Type - DC DC Regulator
Topology - Step-Up (Boost)
Internal Switch(s) - Yes
Number of Outputs - 1
Voltage - Supply (Min) - 2.7V
Voltage - Supply (Max) - 5.5V
Voltage - Output - -
Current - Output / Channel - 1A (Flash)
Frequency - 1.25MHz
Dimming - -
Applications - Camera Flash
Operating Temperature - -40°C ~ 85°C (TA)
Mounting Type - Surface Mount
Package / Case - 14-WFDFN Exposed Pad
Supplier Device Package - 14-WSON (4x4)