BD8151EFV_09 Datasheet, PDF (5/18 Pages) Rohm – Single-channel Source Voltage Output Power Supply + Gamma Buffer Amp ICs

BD8151EFV, BD8157EFV
●Reference Data (Unless otherwise specified, Ta = 25℃)
100
90
80
70
60
BD8157EFV
50
2.0
2.5
3.0
3.5
4.0
SUPPLY VOLTAGE : VCC[V]
Fig. 13 Power Efficiency vs
Power Supply Voltage
10
0.8
BD8157EFV
0.6
F=600kHz
0.4
F=1200kHz
0.2
0
2.1 2.4 2.7 3.0 3.3 3.6 3.9
SUPPLY VOLTAGE : VCC[V]
Fig. 14 Max. Load Current vs
Power Supply Voltage
10
8
1
6
4
0.1
2
0.01
0.001
0.01
0.1
SS CAPACITANCE [μF]
Fig. 16 SS Capacitance vs
Delay Time
10
5
0
-5
-10
-15
-20
1 23 4 56 78 9
BUFFER INPUT VOLTAGE:VIN[V]
Fig. 19 Buffer Voltage
0
0
5
10
15
VS VOLTAGE : VS[V]
Fig. 17 VS Pin Current
9
8
7
-40℃
6
5
4
25℃ _125℃
3
2
1
0
0 25 50 75 100 125 150 175 200
OUTPUT CURRENT : IOUT[mA] .
Fig. 20 Buffer Sinking Current
9
8
7
6
5
4
125℃ 25℃ ^-40℃
3
2
1
0
0 50 100 150 200 250 300
OUTPUT CURRENT : IOUT[mA] .
Fig. 22 VCOM Sinking Current
9
8
7
6 -40℃
25℃
125℃
5
4
3
2
1
0
-300 -250 -200 -150 -100 -50 0
OUTPUT CURRENT : IOUT[mA]
Fig. 23 VCOM Source Current
Technical Note
Io=0mA
Io=100mA
VO
100mV/div
20us/div
Fig. 15 Load Response
Waveform
9
8.8
8.6
8.4
8.2
8
0.0
0.1
1.0
LOAD CURRENT : IO[A]
Fig. 18 Output voltage
Load Regulation 1
9
8
7
6
5 -40℃
25℃
125℃
4
3
2
1
0
-200 -175 -150 -125 -100 -75 -50 -25 0
OUTPUT CURRENT : IOUT[mA] .
Fig. 21 Buffer Source Current
IN
OUT
1us/div
2V/div
Fig. 24 Slew Rate Waveform
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5/17
2009.07 - Rev.B