BD8314NUV-E2 Rohm Semiconductor, BD8314NUV-E2 Datasheet - Page 3

• Manufacturer Part Number: BD8314NUV-E2
• Description: IC SWITCHING REG W/MOSFET SON10
• Manufacturer: Rohm Semiconductor
• Series: -r
• Type: Step-Up (Boost), PWMr

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

●Description of Pins
●Block Diagram
BD8314NUV
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VREG
GND
VCC
LX
LX
GND
Fig.1 Pin layout
STB
VREF
STBY_IO
1.2MHz
OSC
VREG
INV
VREG
STOP
ERROR_AMP
FB H
PGND
PGND
SWOUT
INV
Start
STB
CONTROL
Soft
PWM
5V REG
OSC×16000 count
SCP
Fig.2 Block diagram
VCC
Reference
DRIVER
PRE
VREG
VREF
3/15
STB
Pin No.
UVLO
4～5
6～7
10
1
2
3
8
9
80m Ω
50 Ω
Pin Name
SWOUT
VREG
PGND
SWOUT
GND
VCC
PGND
STB
Lx
INV
Lx
Ground terminal
Control part power input terminal
5 V output terminal of regulator
for internal circuit
Coil connecting terminal
Power transistor ground terminal
ON/OFF terminal
ERROR AMP input terminal
STBSW for split resistance
Function
Technical Note
2010.11 - Rev.C