L4992 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
L4992 Datasheet PDF : 26 Pages
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L4992
DEMO BOARD-EVALUATION (continued)
Figure 10: 5.1V Output (RUN3=LOW, RUN5 =
HIGH, OSC = GND, NOSKIP = LOW)
VO
(V)
5.12
Vin=20V
D97IN579
5.10
5.08
5.06
Vin=6V
Vin=15V
5.04
5.02
0.001 0.005 0.01 0.05 0.1
0.5 1
5 IO(A)
Figure 12: Demo Board Efficiency vs Output Cur-
rent
EFF.
(%)
D96IN420
Vin=6V
90
80
Vin=15V
70
60
Vin=20V
VO=5.1V
fSW=200KHz
RUN3=GND
NOSKIP=GND
Figure 11: 3.3V Output (RUN3=HIGH, RUN5 =
LOW, OSC = GND, NOSKIP = LOW)
VO
D97IN580
(V)
3.38
3.36
Vin=6V
Vin=20V
3.34
Vin=15V
3.32
3.30
0.001 0.005 0.01 0.05 0.1
0.5 1
5 IO(A)
Figure 13: Demo Board Efficiency vs Output Cur-
rent
EFF.
(%)
D96IN421
Vin=6V
90
80
Vin=15V
70
60
Vin=20V
VO=5.1V
fSW=300KHz
RUN3=GND
NOSKIP=GND
50
0.001 0.005 0.01
0.05 0.1
0.5 1
5 IO(A)
Figure 14: Demo Board Efficiency vs Output Cur-
rent
EFF.
(%)
D96IN422A
Vin=6V
90
Vin=20V
80
70
Vin=15V
60
VO=3.3V
fSW=200KHz
RUN5=GND
NOSKIP=GND
50
0.001 0.005 0.01
0.05 0.1
0.5 1
5 IO(A)
Figure 15: Demo Board Efficiency vs Output Cur-
rent
EFF.
(%)
D96IN423A
Vin=6V
90
80
70
Vin=15V
60
Vin=20V
VO=3.3V
fSW=300KHz
RUN5=GND
NOSKIP=GND
50
0.001 0.005 0.01
0.05 0.1
22/26
0.5 1
5 IO(A)
50
0.001 0.005 0.01
0.05 0.1
0.5 1
5 IO(A)
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