Texas Instruments TPS92551EVM Evaluation Module TPS92551EVM/NOPB TPS92551EVM/NOPB Datenbogen
Produktcode
TPS92551EVM/NOPB
1
3
4
5
6
2
7
EP
L
ED
+
L
ED
+
D
IM
G
N
D
VR
EF
IAD
J
J
L
ED-
V
IN
High Power LED String
I
LED
I
IN
TPS92551
C
IN
25
30
35
40
45
50
55
60
75
80
85
90
95
100
EF
F
IC
IEN
C
Y
(%
)
VIN(V)
6LED
10LED
14LED
16LED
4 s/DIV
VDIM(2V/DIV)
ILED(200mA/DIV)
SNVS805C – MAY 2012 – REVISED MAY 2013
System Performance
Figure 2. Efficiency vs V
IN
, I
LED
=
Figure 3. Radiated Emissions (EN
Figure 4. LED Current with PWM
350mA
55015)
Dimming
16µs dimming pulse
TYPICAL APPLICATION CIRCUIT
2
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