BD8314NUV-E2 Rohm Semiconductor, BD8314NUV-E2 Datasheet - Page 9
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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
●Limits of the lowest power supply voltage to start up
BD8314NUV
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com
When using configuration of inputting VCC voltage from output voltage of DC/DC converter, the input voltage as power
supply for the IC drops by Vf voltage of external Diode.
The worst condition is shown as below.
VCC terminal voltage - Vf voltage of external diode ≧ the worst voltage of UVLO reset voltage(=2.8V)
Please judge this IC is useable or not considering needed start up voltage and load current.
Fig.32 start up voltage Vs load current
3.2
3.0
2.8
2.6
2.4
2.2
0.1
VOUT=10V, typ
85℃
1.0
Io [mA]
-35℃
10.0
25℃
100.0
9/15
Technical Note
2010.11 - Rev.C