LM3553SDEV National Semiconductor, LM3553SDEV Datasheet - Page 7

• Manufacturer Part Number: LM3553SDEV
• Description: BOARD EVALUATION FOR LM3553S
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM3553SDEV

• Current - Output / Channel: 1.2A
• Outputs And Type: 1, Non-Isolated
• Features: Camera Flash and Torch Modes, I²C Interface, Programmable Output Current
• Voltage - Input: 2.7 ~ 5.5V
• Utilized Ic / Part: LM3553
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -

Input Current and LED Efficiency
Input Current and LED Efficiency
with 1.2A Flash Current
with 500mA Flash Current through 2 Series LEDs
20171430
20171432
Input Current and LED Efficiency
Input Current vs V
IN
with 600mA Flash Current through 2 Series LEDs
1 LED @ 1.2A and 2 LEDs @ 600mA
20171431
20171435
LED Efficiency vs V
Converter Efficiency vs V
IN
IN
1 LED @ 1.2A and 2 LEDs @ 600mA
20171440
20171436
7
www.national.com