BD8179MUV-E2 Ver la hoja de datos (PDF) - ROHM Semiconductor
Número de pieza
componentes Descripción
Fabricante
BD8179MUV-E2 Datasheet PDF : 13 Pages
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BD8179MUV
●Reference Data (Unless otherwise specified, Ta = 25℃, VIN=5V)
3
2.5
2
1.5
1
0.5
0
01234567
VIN (V)
Fig.1 Supply Current
(No switching)
94
92
90
88
86
84
82
80
78
76
0
100
200
300
400
500
Io[mA]
Fig.4 Efficiency vs Output Current
(VMAIN)
1
0.8
0.6
0.4
0.2
0
0
-0.2
-0.4
-0.6
-0.8
-1
20
40
60
80
100
Io[mA]
Fig.7 Gate-ON Voltage
Load Regulation
2
1.5
1
0.5
0
-40
10
60
Ta[℃]
Fig.2 Switching Frequency
vs Temperature
1
0 .8
0 .6
0 .4
0 .2
0
-0.2 0
- 0 .4
- 0 .6
- 0 .8
-1
100
200
300
400
500
Io[mA]
Fig.5 VMAIN Voltage
Load Regulation
1
0.8
0.6
0.4
0.2
0
-0.2 0
-0.4
-0.6
-0.8
-1
20
40
60
80
100
Io[mA]
Fig.8 Gate-OFF Voltage
Load Regulation
Technical Note
1000
100
10
1
0.1
0.001
0.01
0.1
1
DEL CAPACITOR [uF]
Fig.3 Delay Time
vs Capacitor
VIMAIN
LX
Fig.6 Over Voltage Protect
waveform
COM
CTL
Fig.9 Gate Shading Output
waveform
IN
OUT
IN
OUT
300Ω
100pF
Fig.10 AMP Slew Rate
(Rise)
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IN
OUT
IN
OUT
300Ω
100pF
Fig.11 AMP Slew Rate
(Fall)
4/12
Fig.12 Start Up Sequence
waveform
2009.07 - Rev.B
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