Product Information

BD9D322QWZ-E2

BD9D322QWZ-E2 electronic component of ROHM

Datasheet
Switching Voltage Regulators Sync Buck DC/DC Conv 3A MOSFET; 4.5V-18V
Manufacturer: ROHM
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Price (USD)

1: USD 0.9157 ea
Line Total: USD 0.92

320 - Global Stock
Ships to you between
Mon. 03 Jun to Wed. 05 Jun
MOQ: 1  Multiples: 1
Pack Size: 1

 More Buying Options & Price Grid(s)

Availability Price Quantity
639 - WHS 1


Ships to you between Mon. 03 Jun to Wed. 05 Jun

MOQ : 1
Multiples : 1
1 : USD 0.8875
10 : USD 0.768
100 : USD 0.6074
500 : USD 0.5422
1000 : USD 0.4467
2000 : USD 0.4455
4000 : USD 0.4166
8000 : USD 0.4094
24000 : USD 0.396

Read More Specifications

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Mounting Style
Package / Case
Output Voltage
Output Current
Number of Outputs
Input Voltage MAX
Topology
Input Voltage MIN
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Input Voltage
Type
Brand
Shutdown
Hts Code
Operating Supply Current
Product Type
Factory Pack Quantity :
Subcategory
Supply Voltage - Min
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Additional Infomation About Product

Datasheet 4.5V to 18V Input, 3.0A Integrated MOSFET Single Synchronous Bu ck DC/DC Converter BD9D322QWZ General Description Key Specifications BD9D322QWZ is a synchronous buck DC/DC convertor Input Voltage Range: 4.5V to 18.0V with built-in low on-resistance power MOSFETs. This IC Output Voltage Range: 0.765V to 7V TM is capable of providing current up to 3A. The SLLM (V x 0.07)V to (V x 0.65)V IN IN control provides excellent efficiency characteristics in Output Current: 3A (Max) light-load conditions which make the product ideal for Switching Frequency: 700kHz (Typ) equipment and devices that demand minimal standby High-Side MOSFET ON-Resistance: 80m (Typ) power consumption. External phase compensation circuit Low-Side MOSFET ON-Resistance: 50m (Typ) is not necessary for it is a constant ON-Time control Standby Current: 2A (Typ) DC/DC converter with fast transient response. Package W(Typ) x D(Typ) x H(Max) Features UMMP008Z2020 2.00mm x 2.00mm x 0.40mm Single Synchronous DC/DC Converter Constant ON-Time Control TM SLLM (Simple Light Load Mode) Control Over Current Protection Thermal Shutdown Protection Under Voltage Lockout Protection Adjustable Soft Start UMMP008Z2020 Package (Backside Heat Dissipation) Applications Step-down Power Supply for DSPs, FPGAs, Microprocessors, etc. Set-top Box UMMP008Z2020 LCD TVs DVD / Blu-ray Player / Recorder POL Power Supply, etc. Typical Application Circuit BD9D322QWZ VIN VIN BOOT C BOOT C IN Enable EN SW V OUT L GND R C 2 FB VREG FB C OUT SS R 1 C C VREG SS Figure 1. Typical Application Circuit Product structure: Silicon monolithic integrated circuit This product has no designed protection against radioactive rays. www.rohm.com TSZ02201-0F3F0AC00110-1-2 2017 ROHM Co., Ltd. All rights reserved. 1/36 TSZ2211114001 07.Apr.2017 Rev.001 BD9D322QWZ Pin Configuration (TOP VIEW) VIN 1 8 EN BOOT 2 VREG 7 FB SW 3 6 SS GND 4 5 E-PAD Figure 2. Pin Configuration Pin Descriptions Terminal Symbol Function No. Power supply terminal for the switching regulator. 1 VIN Connecting 10F and 0.1F ceramic capacitors to ground are recommended. Terminal for bootstrap. 2 BOOT Connect a bootstrap capacitor of 0.1F between this terminal and SW terminal. The voltage of the bootstrap capacitor is the gate drive voltage of the High-Side MOSFET. Switch terminal. The SW terminal is connected to the source of the High-Side MOSFET and drain of the Low-Side MOSFET. Connect a bootstrap capacitor of 0.1F between the SW 3 SW terminal and BOOT terminal. In addition, connect an inductor considering the direct current superimposition characteristic. 4 GND Ground terminal for the output stage of the switching regulator and the control circuit. Terminal for setting the soft start time. The rise time of the output voltage can be specified by 5 SS connecting a capacitor to this terminal. Refer to page 29 for how to calculate the capacitance. An inverting input terminal for comparator which compares with reference voltage (VREF). 6 FB Refer to page 28 for how to calculate the resistances of the output voltage setting. Internal power supply voltage terminal. 7 VREG Voltage of 5.25V (Typ) is outputted with more than 2.2V for EN terminal. Connect 1F ceramic capacitor to ground. Enable terminal. Turning this terminal signal Low (0.3V or lower) forces the device to enter the shutdown 8 EN mode. Turning this terminal signal High (2.2V or higher) enables the device. This terminal must be properly terminated. Backside heat dissipation pad. Connecting to the PCB ground plane by using multiple via - E-PAD provides excellent heat dissipation characteristics. www.rohm.com TSZ02201-0F3F0AC00110-1-2 2017 ROHM Co., Ltd. All rights reserved. 2/36 TSZ2211115001 07.Apr.2017 Rev.001

HS Compliance

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:

ROHM may also be referenced as

LAPIS Semiconductor
RHE
RHM
ROHM Semicon
ROHM Semiconductor

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