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BD9E151NUX 반도체 회로 부품 판매점

1ch Step-Down Switching Regulator



ROHM Semiconductor 로고
ROHM Semiconductor
BD9E151NUX 데이터시트, 핀배열, 회로
Datasheet
6.0V28V, 1.2A 1ch
1ch Step-Down Switching Regulator
BD9E151NUX
General Description
The BD9E151NUX is a 28V, 1.2A diode-rectification
buck converter that integrated internal high-side 30V
Power MOSFET. To increase efficiency at light loads, a
pulse skipping is automatically activated. Furthermore,
the 0uA shutdown supply current allows the device to be
used in battery powered application. Current mode
control with internal slope compensation simplifies the
external component count while allowing the use of
ceramic output capacitors.
Key Specifications
Input Voltage
Ref. Precision (Ta=25℃)
Max Output Current
Operating Temperature
Operating Junction Temperature
6~28 [V]
±1.0[%]
1.2 [A] (Max.)
-40℃~85℃
-55℃~125℃
Packages
VSON008X2030
2.00mm x3.00mm x 0.60mm
Features
High and Wide Input Range (VIN=6V~28V)
30V/80mΩ Internal Power MOSFET
600kHz Fixed Operating Frequency
Feedback Pin Voltage 1.0V±1.0%
Internal Over Current Protection(OCP), Under
Voltage Locked Out(UVLO), Over Voltage
Protection(OVP), Thermal Shut down(TSD)
0μA Low Shutdown Supply Current
VSON008X2030 package
Typical Application Circuits
VSON008X2030
Applications
Surveillance Camera Applications
OA Applications
12V, 24V Distributed Power Systems
Figure 1. Typical Application Circuit
○Structure:Silicon Monolithic Integrated Circuit ○This product is not designed for normal operation within a radioactive
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product has not designed protection against radioactive rays
1/19
TSZ02210-0Q3Q0AZ00160-1-2
2013.07.17 Rev.001
http://www.Datasheet4U.com


BD9E151NUX 데이터시트, 핀배열, 회로
BD9E151NUX
Pin Configuration
Datasheet
Pin Description
Pin No.
1
2
3
4
Figure 2. Pin Configuration (TOP VIEW)
Pin Name
BST
Description
The pin is power supply for floating Power NMOS driver. Connect bypass capacitor
between the pin and LX pin for bootstrap operation.
VIN Input supply. Place bypass capacitor as close as possible to this pin.
EN
Enable input pin. Apply more than 2.4V to start-up the DCDC. This pin is pulled down by
700kΩ, apply less than 0.8V or open to shutdown the DCDC.
SS Soft start pin. An external capacitor connected to this pin sets output rise time.
5 FB Inverting node of the gm amplifier.
6
VC
Error amplifier output, and input to the PWM comparator. Connect phase compensation
components to this pin.
7
GND
Ground.
6 LX Place schottky barrier diode as close as possible and inductor to this pin.
-
Back side
PAD
PAD for radiation of heat. Connect to GND is recommended.
Block Diagram
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved
TSZ2211115001
Figure 3. Block Diagram
2/19
TSZ02210-0Q3Q0AZ00160-1-2
2013.07.17 Rev.001
http://www.Datasheet4U.com




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BD9E151NUX regulator

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1ch Step-Down Switching Regulator - ROHM Semiconductor