Texas Instruments TPS61050-269 Evaluation Board TPS61050EVM-269 TPS61050EVM-269 TPS61050EVM-269 Benutzerhandbuch
Produktcode
TPS61050EVM-269
www.ti.com
0
10
20
30
40
50
60
70
80
90
2.5
3
3.5
4
4.5
5
5.5
V - Input Voltage - V
I
LEDEfficiency(PLED/PIN)-%
I
= 300 mA
LED
I
= 700 mA
LED
FLASH
ILED
VOUT
VLED
t - Time - 100 ms/div
V = 3.2 V
I
5V/div
500mV/div
200mV/div
500mA/div
C2 = -3.60000 V Offset
Test Results
Figure 3. LED Efficiency vs. Input voltage - Single Pulse Flash Mode
Figure 4. Torch Flash Sequence
8
TPS61050EVM-269 and TPS61052EVM-269
SLVU215B – August 2007 – Revised November 2007