BD9775FV-E2 Rohm Semiconductor, BD9775FV-E2 Datasheet - Page 3

• Manufacturer Part Number: BD9775FV-E2
• Description: IC REG SW STEP DOWN HE 28-SSOP
• Manufacturer: Rohm Semiconductor
• Type: Step-Down (Buck)r

Specifications of BD9775FV-E2

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Current - Output: 400mA
• Frequency - Switching: 100kHz
• Voltage - Input: 6 ~ 30 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Power - Output: 640mW
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: BD9775FV-E2TR

●Reference data (Unless otherwise specified, Ta=25℃)
100
90
80
70
60
50
40
30
20
10
0.816
0.812
0.808
0.804
0.800
0.796
0.792
0.788
0.784
Fig.10 EN threshold voltage
0
5.25
5.00
4.75
4.50
4.25
4.00
3.75
3.50
3.25
3.00
6
5
4
3
2
1
0
Fig.4 Reference voltage vs.
temperature characteristics
0
temperature characteristics
-40
0
-40
Fig.7 Internal Reg vs.
AMBIENT TEMPERATURE ： Ta[℃]
1.2V
Fig.1 Efficiency 1
AMBIENT TEMPERATURE ： Ta[℃]
-15
1.8V
OUTPUT CURRENT：Io[A]
-15
INPUT VOLTAGE：V
1
10
2
10
2.6V
VREG5
105℃
VREG33
35
-40℃
35
25℃
3.3V
VIN=12V
60
60
2
4
EN
[V]
5.0V
85
85
110
110
3
6
Fig.11 Load transient response 1
Fig.5 Over current detection vs.
100
90
80
70
60
50
40
30
20
10
110
100
6
5
4
3
2
1
0
V
I
0
OUT
90
80
70
60
OUT
0
temperature characteristics
6
-40
Fig.8 Line regulation
AMBIENT TEMPERATURE ： Ta[℃]
Fig.2 Efficiency 2
9
-15
5
INPUT VOLTAGE ： V
3.3V
INPUT VOLTAGE ： V
3/29
12
10
10
3.3V
15
35
15
50mV/div
5.0V
1A/div
18
60
IN
[V]
5.0V
Io=2A
IN
[V]
20
85
21
110
25
24
Fig.12 Load transient response 2
V
I
6
5
4
3
2
1
0
OUT
3.0
2.5
2.0
1.5
1.0
0.5
0.0
330
320
310
300
290
280
270
OUT
0
temperature characteristics
-40
0
Fig.9 Load regulation
Fig.3 Circuit current
Fig.6 Frequency vs.
R
RT=100kΩ
CL
AMBIENT TEMPERATURE ： Ta[℃]
-15
1
INPUT VOLTAGE：V
=15mΩ
105℃
LOFF=L
OUTPUT CURRENT: Io[A]
10
2
10
LOFF=H
35
3
25℃
50mV/div
1A/div
20
60
4
IN
[V]
-40℃
85
5
110
30
6