BD9560MUV_09 Datasheet, PDF (5/22 Pages) Rohm – Switching Regulator Controller for Graphic Chip Cores

BD9560MUV
●Reference Data
3
2.5
2
1.5
1
0.5
0
-10 10 30 50 70 90
Ta(℃)
Fig.1 HG high side ON resistance
3
2.5
2
1.5
1
0.5
0
-10 10
30 50
70
90
Ta(℃)
Fig.2 HG low side ON resistance
Technical Note
3
2.5
2
1.5
1
0.5
0
-10 10
30
50
70
90
Ta(℃)
Fig.3 LG high side ON resistance
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-10 10
30
50
70
90
Ta(℃)
Fig.4 LG low side ON resistance
1.35
1.3
1.25
VIN=5V
VIN=12V
VIN=21V
setup voltage+2%
setup voltage-2%
Vnom+5%
Vnom-5%
1.2
1.15
0
2
4
6
8
10
Io[A]
Fig.5 Load slope
1000
DAC=0.412V
800
DAC=0.84975V
DAC=1.2875V
600
400
200
0
0
1
2
3
4
5
TON[V]
Fig.6 Ton_On time
1ch Vout
(20mV/div)
4ch IL
(5A/div)
3ch LG
(5V/div)
2ch HG
(5V/div)
Fig.7 (VIN=5V)
Switching wave form (Iout=0A)
1ch Vout
(20mV/div)
4ch IL
(5A/div)
3ch LG
(5V/div)
2ch HG
(10V/div)
Fig.8(VIN=12V)
Switching wave form (Iout=0A)
1ch Vout
(20mV/div)
4ch IL
(5A/div)
3ch LG
(5V/div)
2ch HG
(10V/div)
Fig.9 (VIN=21V)
Switching wave form (Iout=0A)
4ch IL
(5A/div)
1ch Vout
(20mV/div)
3ch LG
(5V/div)
2ch HG
(5V/div)
Fig.10 (VIN=5V)
Switching wave form (Iout=10A)
4ch IL
(5A/div)
1ch Vout
(20mV/div)
3ch LG
(5V/div)
2ch HG
(10V/div)
Fig.11(VIN=12V)
Switching wave form (Iout=10A)
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4ch IL
(5A/div)
1ch Vout
(20mV/div)
3ch LG
(5V/div)
2ch HG
(10V/div)
Fig.12 (VIN=21V)
Switching wave form (Iout=10A)
2009.04 - Rev.B