BD9109FVM-TR Rohm Semiconductor, BD9109FVM-TR Datasheet - Page 6

• Manufacturer Part Number: BD9109FVM-TR
• Description: IC REG SW 0.8A 3.3VOUTPUT 8-MSOP
• Manufacturer: Rohm Semiconductor
• Type: Step-Down (Buck)r
• Series: -r

Specifications of BD9109FVM-TR

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 800mA
• Frequency - Switching: 1MHz
• Voltage - Input: 4.5 ~ 5.5 V
• Operating Temperature: -25°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Power - Output: 587.4mW
• Output Voltage: 3.3 V
• Output Current: 0.8 A
• Input Voltage: 4.5 V to 5.5 V
• Switching Frequency: 1 MHz
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

●Characteristics data【BD9107FVM】
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1.55
1.54
1.53
1.52
1.51
1.50
1.49
1.48
1.47
1.46
1.45
Fig.22 温度-NMOS FET ON 抵抗
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
2.0
1.5
1.0
0.5
0.0
-25 -15 -5
0
-25 -15 -5
【V
【V
Ta=25℃
Io=0A
VCC=5V
Io=0A
Fig.22 Ta-R
OUT
OUT
Fig.16 Vcc-Vout
1
Fig.19 Ta-Vout
=1.5V】
PMOS
=1.5V】
INPUT VOLTAGE:V
TEMPERATURE:Ta[ ℃ ]
5
TEMPERATURE:Ta[ ℃ ]
5
15 25
15
2
25
ONN
35 45 55 65 75 85
35
3
, R
CC
45
ONP
[V]
NMOS
55
VCC=5V
4
65
75
5
85
2.0
1.5
1.0
0.5
0.0
100
2.0
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
0
0
1
-25 -15 -5
【V
VCC=5V
Ta=25℃
【V
VCC=5V
OUT
OUT
Fig.20 Efficiency
Fig.17 Ven-Vout
Fig.23 Ta-V
1
OUTPUT CURRENT:I
=1.5V】
=1.5V】
10
TEMPERATURE:Ta[℃]
EN VOLTAGE:VEN[V]
5
6/28
15 25 35 45 55 65 75 85
2
100
EN
3
OUT
1000
[mA]
VCC=5V
Ta=25℃
Io=0A
4
10000
5
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
350
300
250
200
150
100
2.0
1.5
1.0
0.5
0.0
50
0
-25 -15 -5
-25 -15 -5
0
【V
VCC=5V
VCC=5V
Fig.18 Iout-Vout
Fig.21 Ta-Fosc
OUT
Fig.24 Ta-I
OUTPUT CURRENT:I
=1.5V】
TEMPERATURE:Ta[℃]
TEMPERATURE:Ta[ ℃ ]
5
5
1
15 25 35 45 55 65 75 85
15 25 35 45 55 65 75 85
Technical Note
2009.05 - Rev.A
CC
2
OUT
VCC=5V
Ta=25℃
[A]
3