BD9305AFVM Datasheet, PDF (3/15 Pages) Rohm – Single-output Step-up,High-efficiency Switching Regulator(Controller Type)

BD9306AFVM, BD9305AFVM
Electrical Characteristics (Unless otherwise specified,V_CC=12V, Ta=25℃)
1
0.5
Ta=25_℃ Ta=85_℃
0
Ta=40_℃
-0.5
-1
0
1
2
3
4
5
INPUT VOLTAGE:VCC[V]
Fig.1 Standby Circuit Current
4
T a=85℃
3
Ta=25℃
2
1
T a=-40℃
0
0
5
10
15
20
25
INPUT VOLTAGE:VCC[V]
Fig.2 Average Consumption Current
1000
800
600
400
200
0
0
1
2
3
4
5
GD VOLTAGE:VGD[V]
Fig.4 GD Sink Current
0
-200
-400
-600
-800
-1000
0
1
2
3
4
5
GD VOLTAGE:VGD[V]
Fig.5 GD Source Current
0
-20
-40
-60
-80
-100
0
0.5
1
1.5
2
2.5
COMP VOLTAGE:VCOMP[V]
Fig.7 COMP Source Current
1.252
1.250
1.248
1.246
1.244
-40 -15 10
35
60
85
AMBIENT TEMPERATURE:Ta[℃]
Fig.8 Feed Back vs Temperature
Technical Note
300
280
260
240
220
200
-40 -15
10
35
60
85
AMBIENT TEMPERATURE:Ta[℃]
Fig.3 Frequency vs Temperature
100
80
60
40
20
0
0
0.5
1
1.5
2
2.5
COMP VOLTAGE:VCOMP[V]
Fig.6 COMP Sink Current
0.1
0.08
0.06
0.04
0.02
0
0.0 0.5 1.0 1.5 2.0 2.5
FB VOLTAGE:VFB[V]
Fig.9 FB Input Bias Current
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3/14
2009.05 - Rev.A