BD9778F-E2 Rohm Semiconductor, BD9778F-E2 Datasheet - Page 5

• Manufacturer Part Number: BD9778F-E2
• Description: IC REG SW 2A P-CH MOSF STDN SOP8
• Manufacturer: Rohm Semiconductor
• Type: Step-Down (Buck)r

Specifications of BD9778F-E2

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1 ~ 35 V
• Current - Output: 2A
• Frequency - Switching: 50kHz ~ 500kHz
• Voltage - Input: 7 ~ 35 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOP
• Power - Output: 690mW
• No. Of Outputs: 1
• Output Voltage: 35V
• Output Current: 2A
• Voltage Regulator Case Style: SOP
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Svhc: No SVHC (18-Jun-2010)
• Base Number: 9778
• Input Voltage: 35 V
• Switching Frequency: 102 KHz
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: BD9778F-E2TR

Fig.22 Current capacitance(V
Fig.19 I
Fig.13 ON resistance V
100
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
90
80
70
60
50
40
30
20
10
6
5
4
3
2
1
0
0
Fig.16 ON resistance V
0.0
0
0
0
O
vs Efficiency(V
0.4
0.5
0.5
OUTPUT CURRENT : I
1
OUTPUT CURRENT : I
OUTPUT CURRENT : I
OUTPUT CURRENT : I
Ta=125
(BD9001F)
(BD9001F)
Ta=25
(BD9001F)
0.8
1.0
2
1
IN
3.3V output
1.2
IN
=12V,Vo=5V,f=100kHz)
1.5
1.5
3
IN
=12V,f=100kHz)
=7V
IN
O
O
2.5V output
O
[A]
O
[A]
1.6
5V output
Ta=-40
2.0
[A]
Ta=125
=13.2V
4
[A]
2
Ta=–40
(BD9778F/HFP)
Ta=-40
Ta=125
Ta=25
Ta=25
2.5
2.5
2
5
Fig.20 Current capacitance(V
Fig.14 ON resistance V
Fig.17 I
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
100
90
80
70
60
50
40
30
20
10
0
6
5
4
3
2
1
0
0.0
0.0
0
O
0.5
vs Efficiency(V
1
0.5
OUTPUT CURRENT : I
OUTPUT CURRENT : I
OUTPUT CURRENT : I
2
1.0
(BD9781HFP)
5/16
(BD9781HFP)
1.0
3.3V output
3
Ta=125
1.5
Ta=25
IN
IN
4
1.5
=13.2V
=12V,Vo=5V,f=100kHz)
IN
2.0
=12V,f=200kHz)
2.5V output
5
O
5V output
O
[A]
O
[A]
2.0
[A]
Ta=125
Ta=-40
Ta=-40
2.5
Ta=25
(BD9778F/HFP)
6
2.5
3.0
7
Fig.18 I
Fig.21 Current capacitance(V
Fig.15 ON resistance V
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
100
90
80
70
60
50
40
30
20
10
6
5
4
3
2
1
0
0
0
0
0
O
vs Efficiency(V
0.5
OUTPUT CURRENT : I
1
OUTPUT CURRENT : I
OUTPUT CURRENT : I
0.5
Ta=125
5V output 3.3V output
(BD9778F/HFP)
Ta=25
1
2
(BD9778F/HFP)
2.5V output
1.0
1.5
IN
3
IN
=12V,f=100kHz)
1.5V output
=7V
IN
O
1.5
O
[A]
O
=12V,Vo=5V,f=100kHz)
2
[A]
Ta=–40
4
Ta=125
Ta=-40
[A]
Ta=25
(BD9001F)
2.5
2.0
5