BD8314NUV-E2 Rohm Semiconductor, BD8314NUV-E2 Datasheet - Page 5
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BD8314NUV-E2
Manufacturer Part Number
BD8314NUV-E2
Description
IC SWITCHING REG W/MOSFET SON10
Manufacturer
Rohm Semiconductor
Series
-r
Type
Step-Up (Boost), PWMr
Datasheet
1.BD8314NUV-E2.pdf
(16 pages)
Specifications of BD8314NUV-E2
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
4 V ~ 12 V
Current - Output
2.5A
Frequency - Switching
1.2MHz
Voltage - Input
3 V ~ 12 V
Operating Temperature
-25°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-VFDFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
●Reference Data
BD8314NUV
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com
1.02
1.01
1.00
0.99
0.98
3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
(Unless otherwise specified, Ta = 25°C, VCC = 7.4 V)
8
7
6
5
4
3
2
1
0
-40
0
-40
Hysteresis width
-20
Fig.9. UVLO threshold
power supply property
2
temperature property
-20
Fig.6. VREG output
temperature property
Fig.3. INV threshold
0
TEMPARATURE [ ℃ ]
4
TEMPERATURE [ ℃ ]
0
20
25
6
VCC [V]
40
UVLO
50
8
60
detection
UVLO release
85
10
80
100
100 120
12
120
14
0.25
0.20
0.15
0.10
0.05
0.00
resistance temperature property
1.02
1.01
1.00
0.99
0.98
160
140
120
100
1.4
1.3
1.2
1.1
1.0
80
60
40
20
0
-40
-40
0
Fig.10. Nch FET ON
2
ID=500mA
power supply property
temperature property
Fig.4. INV threshold
0
0
TEMPERATURE [ ℃ ]
4
TEMPARATURE [ ℃ ]
5/15
Fig.7. fosc
6
VCC [V]
40
40
8
10
80
80
12
120
120
14
5.3
5.2
5.1
5.0
4.9
4.8
4.7
120
100
1.4
1.3
1.2
1.1
1.0
80
60
40
20
resistance power supply property
0
-40
3
3
ID=500mA
Fig.11. Nch FET ON
temperature property
0
Fig.5. VREG output
6
6
voltage property
TEMPERATURE [ ℃ ]
Technical Note
Fig.8. fosc
2010.11 - Rev.C
VCC [V]
VCC [V]
40
9
9
12
12
80
15
120
15