BD3951F Просмотр технического описания (PDF) - ROHM Semiconductor
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BD3951F Datasheet PDF : 10 Pages
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BD3951F
Technical Note
●Reference Data（Unless otherwise specified Ta=-40℃～+125℃，Vcc=13.5V）
4
6
3
2
-40℃ 25℃
125℃
1
0
0 5 10 15 20 25 30 35
SUPPLY VOLTAGE: Vcc [V]
5
4
125℃ 25℃ -40℃
3
2
1
＊Io=0mA
0
0 5 10 15 20 25 30 35
SUPPLY VOLTAGE: Vcc [V]
Fig.1 Circuit Current
Fig.2 Line Regulation
1
＊Vcc=4.75V
0.8
0.6
125℃
0.4
-40℃ 25℃
0.2
0
0
25
50
75
100
OUTPUT CURRENT: IOUT [mA]
Fig.4 Drop Out Voltage
6
5
4
3
2
1
0
0
1
2
3
4
5
6
INPUT VOLTAGE: OUT [V]
Fig.5 Reset Detection Voltage
6
5
-40℃
4
125℃
3
25℃
2
1
0
0
100
200
300
OUTPUT CURRENT: IOUT [mA]
Fig.3 Load Regulation
6
5
125℃
25℃ -40℃
4
3
2
1
＊VOUT=5.0V
0
0
25
50
75
100
SOURCE CURRENT: IRES [μA]
Fig.6 RES Pull Up Resistor
0.4
＊Vcc=OUT=4.0V
0.3
0.2
125℃
-40℃
25℃
0.1
0
0
0.05
0.1
0.15
0.2
SINK CURRENT: IRES [mA]
Fig.7 RES Sink Current
6
5
125℃
25℃ -40℃
4
3
2
1
＊VOUT=5.0V
0
0
25
50
75
100
SOURCE CURRENT; ISOUT [μA]
Fig.10 SOUT Pull Up Resistor
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6
5
＊Vcc=OUT=4.0V
4
3
2
1
0
0
0.5
1
1.5
2
INPUT VOLTAGE: RADJ [V]
Fig.8 RADJ Detect Voltage
0.4
＊Vcc=OUT=4.0V
0.3
0.2
25℃ 125℃
-40℃
0.1
0
0
0.5
1
1.5
SINK CURRENT; ISOUT [mA]
Fig.11 SOUT Sink Current
3/9
6
5
4
3
2
1
0
0
0.5
1
1.5
2
INPUT VOLTAGE: SIN [V]
Fig.9 SIN Detect
Voltage
6
5
4
3
2
1
0
100 120 140 160 180 200
AMBIENT TEMPERATURE: Ta [℃]
Fig.12 Thermal Shut Down
2009.07 - Rev.A
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