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L5994 Datasheet(PDF) 24 Page - STMicroelectronics

Part # L5994
Description  ADJUSTABLE TRIPLE OUTPUT POWER SUPPLY CONTROLLER
PDF  26 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5994 Datasheet(HTML) 24 Page - STMicroelectronics

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Figure 9. Demo Board Efficiency vs Output
Current
Figure 10. Demo Board Efficiency vs Output
Current
Figure 11. Demo Board Efficiency vs Output
Current
Figure 12. Demo Board Efficiency vs Output
Current
Figure 13. Demo Board Overall Efficiency (Iout3
= 3A, REG12 = OPEN, OSC = GND)
Figure 14. Demo Board Overall Efficiency (Iout5 =
3A, REG12 = OPEN, OSC = GND)
0.001
0.005 0.01
0.05 0.1
0.5
1
5 I
O
(A)
50
60
70
80
90
D96IN420
EFF.
(%)
Vin=6V
Vin=20V
Vin=15V
VO=5.1V
fSW=200KHz
RUN3=GND
NOSKIP=GND
0.001
0.005 0.01
0.05 0.1
0.5
1
5 I
O
(A)
50
60
70
80
90
D96IN421
EFF.
(%)
Vin=6V
Vin=20V
Vin=15V
VO=5.1V
fSW=300KHz
RUN3=GND
NOSKIP=GND
0.001
0.005 0.01
0.05 0.1
0.5
1
5 I
O
(A)
50
60
70
80
90
D96IN422A
EFF.
(%)
Vin=6V
Vin=20V
Vin=15V
VO=3.3V
fSW=200KHz
RUN5=GND
NOSKIP=GND
0.001
0.005 0.01
0.05 0.1
0.5
1
5 I
O
(A)
50
60
70
80
90
D96IN423A
EFF.
(%)
Vin=6V
Vin=20V
Vin=15V
VO=3.3V
fSW=300KHz
RUN5=GND
NOSKIP=GND
0.001
0.005 0.01
0.05 0.1
0.5
1
5 I
OUT5
(A)
87
88
89
90
91
92
EFF.
(%)
Vin=6V
Vin=20V
D97IN581
93
0.001
0.005 0.01
0.05 0.1
0.5
1
5I
OUT3
(A)
89
90
EFF.
(%)
Vin=6V
Vin=20V
D97IN582
91
92
93



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