Datasheet

0 20 40 60 80 100
230
250
270
290
310
330
LOAD CURRENT @ CURRENT LIMIT
ONSET (mA)
V
IN
(V)
LOAD CURRENT (mA)
V
OUT
(V)
50
100 150
200
9.4
9.6
9.8
10.0
10.2
10.4
V
in
= 48V
0 20 40 60 80 100
50
60
70
80
90
100
EFFICIENCY (%)
V
IN
(V)
I
OUT
= 200 mA
I
OUT
= 100 mA
LOAD CURRENT (mA)
EFFICIENCY (%)
V
in
= 12V
50
100 150
200
50
60
70
80
90
100
V
in
= 90V
V
in
= 48V
V
in
= 30V
LM5009
SNVS402G –FEBRUARY 2006–REVISED FEBRUARY 2013 www.ti.com
Table 2. Bill of Materials (Circuit of Figure 12)
Item Description Part Number Value
C1 Ceramic Capacitor TDK C4532X7R2A105M 1 µF, 100V
C2 Ceramic Capacitor TDK C4532X7R1E156M 15 µF, 25V
C3 Ceramic Capacitor Kemet C1206C104K5RAC 0.1 µF, 50V
C4 Ceramic Capacitor Kemet C1206C223K5RAC 0.022 µF, 50V
C5 Ceramic Capacitor TDK C3216X7R2A104M 0.1 µF, 100V
D1 Schottky Power Diode Diodes Inc. DFLS1100 100V, 1A
L1 Power Inductor TDK SLF7045T-151MR33 150 µH
R1 Resistor Vishay CRCW12063011F 3.01 kΩ
R2 Resistor Vishay CRCW12061001F 1.0 kΩ
R3 Resistor Vishay CRCW12063R00F 3.0 Ω
R
ON
Resistor Vishay CRCW12062373F 237 kΩ
R
CL
Resistor Vishay CRCW12061693F 169 kΩ
U1 Switching Regulator LM5009
Figure 13. Efficiency vs Load Current and V
IN
Figure 14. Efficiency vs V
IN
and Load Current
Figure 15. V
OUT
vs Load Current Figure 16. Current Limit vs V
IN
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