BD9778F-TR View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
BD9778F-TR Datasheet PDF : 17 Pages
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BD9778F, BD9778HFP, BD9001F, BD9781HFP
Reference data
1.020
1.015
1.010
1.005
1.000
0.995
0.990
0.985
0.980
-50 -25 0 25 50 75 100 125
AMBIENT TEMPERATURE : Ta[Ŋ]
Fig.1 Output reference voltage vs.
Ambient temprature(All series)
600
39kΩ
500
400
300
91kΩ
200
100
390kΩ
910kΩ
0-50 -25 0 25 50 75 100 125
AMBIENT TEMPERATURE : Ta[Ŋ]
Fig.2 Frequency vs. Ambient
temperature(All series)
10
9
8
7
6
5
VCC=12V
4 Istb=0.14µA
125Ŋ
3
2
1
25Ŋ
-40Ŋ
0
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE : VIN[V]
Fig.4 Standby current(BD9778F/HFP)
40
125Ŋ
30
25Ŋ
–40Ŋ
20
10
0 10
20 30 40 50 60
INPUT VOLTAGE : VIN[V]
Fig.5 Standby current(BD9001F)
Technical Note
10
9
8
7
6
5
VCC=12V
4 Istb=0.14µA
3
2
125Ŋ
1
25Ŋ
-40Ŋ
0 0 5 10 15 20 25 30 35 40
INPUT VOLTAGE : VIN[V]
Fig.3 Standby current(BD9781HFP)
4
Dpmk rfc rmn* -40Ŋ
25Ŋ
3
125Ŋ
2
1
0
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE : VIN[V]
Fig.6 Circuit current(BD9781HFP)
4
Dpmk rfc rmn* -40Ŋ
25Ŋ
3
125Ŋ
2
1
0
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE : VIN[V]
Fig.7 Circuit current(BD9778F/HFP)
4
3
Dpmk rfc rmn* 125Ŋ
-40Ŋ
25Ŋ
2
1
0 10 20 30 40 50 60
INPUT VOLTAGE : VIN[V]
Fig.8 Circuit current(BD9001F)
1.8
1.6
1.4
1.2
1.0
Ta=125Ŋ
0.8
0.6
0.4
Ta=25Ŋ
Ta=-40Ŋ
0.2
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
OUTPUT CURRENT : IO[A]
Fig.9 ON resistance VIN=5V(BD9781HFP)
1.8
1.6
1.4
1.2
1.0
Ta=125Ŋ
0.8
Ta=25Ŋ
0.6
0.4
Ta=-40Ŋ
0.2
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
OUTPUT CURRENT : IO[A]
Fig.10 ON resistance VIN=7V (BD9781HFP)
1.8
1.6
1.4
1.2
1.0
0.8
Ta=25Ŋ
Ta=125Ŋ
0.6
0.4
0.2
Ta=-40Ŋ
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
OUTPUT CURRENT : IO[A]
Fig.11 ON resistanceVIN=13.2V (BD9781HFP)
1.8
1.6
1.4
1.2
Ta=125Ŋ
1.0
Ta=25Ŋ
0.8
Ta=-40Ŋ
0.6
0.4
0.2
0.0
0.0
0.5 1.0 1.5 2.0 2.5
OUTPUT CURRENT : IO[A]
Fig.12 ON resistance VIN=5V (BD9778F/HFP)
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4/16
2010.02 - Rev. B
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