Datasheets
BD9A400MUV-E2 by: ROHM Semiconductor

Switching Regulator, Current-mode, 4A, 1200kHz Switching Freq-Max, VQFN-16

Part Details for BD9A400MUV-E2 by ROHM Semiconductor

Results Overview of BD9A400MUV-E2 by ROHM Semiconductor

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BD9A400MUV-E2 Information

BD9A400MUV-E2 by ROHM Semiconductor is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for BD9A400MUV-E2

Part # Distributor Description Stock Price Buy
DISTI # 49Y7427
Newark Dc-Dc Switching Buck Step Down Regulator, Adjustable, 2.7V-5.5Vin, 800Mv-3.85Vout, 4Aout, Vqfn-16 Rohs Compliant: Yes |Rohm BD9A400MUV-E2 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk 0
  • 1 $0.8900
  • 10 $0.6410
  • 100 $0.5070
  • 500 $0.4540
  • 1,000 $0.4370
$0.4370 / $0.8900 Buy Now
DISTI # BD9A400MUV-E2CT-ND
DigiKey IC REG BUCK ADJ 4A 16VQFN Min Qty: 1 Lead time: 17 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 11299
In Stock
  • 1 $0.8900
  • 10 $0.6410
  • 25 $0.5776
  • 100 $0.5079
  • 250 $0.4746
  • 500 $0.4545
  • 1,000 $0.4380
  • 3,000 $0.3700
$0.3700 / $0.8900 Buy Now
DISTI # 755-BD9A400MUV-E2
Mouser Electronics Switching Voltage Regulators 2.7V-5.5V 4A MOSFET Sngl Sync Buck Conv RoHS: Compliant 1549
  • 1 $1.6100
  • 10 $1.0100
  • 25 $0.8760
  • 100 $0.6870
  • 250 $0.6080
  • 500 $0.5460
  • 1,000 $0.4950
  • 3,000 $0.4480
  • 6,000 $0.3840
$0.3840 / $1.6100 Buy Now
DISTI # 79324698
Verical Conv DC-DC 2.7V to 5.5V Synchronous Step Down Single-Out 0.8V to 3.85V 4A 16-Pin VQFN-V EP T/R RoHS: Compliant Min Qty: 126 Package Multiple: 1 Date Code: 2401 Americas - 3000
  • 126 $0.8722
$0.8722 Buy Now
DISTI # 77823277
Verical Conv DC-DC 2.7V to 5.5V Synchronous Step Down Single-Out 0.8V to 3.85V 4A 16-Pin VQFN-V EP T/R RoHS: Compliant Min Qty: 63 Package Multiple: 1 Americas - 2904
  • 63 $0.5310
  • 100 $0.4670
  • 200 $0.4410
  • 500 $0.4180
  • 1,000 $0.3940
  • 2,000 $0.3730
$0.3730 / $0.5310 Buy Now
DISTI # 62812500
Verical Conv DC-DC 2.7V to 5.5V Synchronous Step Down Single-Out 0.8V to 3.85V 4A 16-Pin VQFN-V EP T/R RoHS: Compliant Min Qty: 126 Package Multiple: 1 Date Code: 2201 Americas - 293
  • 126 $0.8722
$0.8722 Buy Now
Quest Components   2634
  • 1 $1.7550
  • 1,141 $0.6143
  • 2,443 $0.5265
$0.5265 / $1.7550 Buy Now
DISTI # BD9A400MUV-E2
IBS Electronics BUCK SWITCHING REGULATOR IC POSITIVE ADJUSTABLE 0.8V 1 OUTPUT 4A 16-VFQFN EXPOSE Min Qty: 3000 Package Multiple: 1 0
  • 3,000 $0.4940
  • 6,000 $0.4875
  • 9,000 $0.4875
  • 12,000 $0.4810
  • 15,000 $0.4745
$0.4745 / $0.4940 Buy Now
DISTI # BD9A400MUV-E2
Avnet Silica Conv DCDC Single Step Down 27V to 55V 16Pin VQFN Embossed TR (Alt: BD9A400MUV-E2) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 19 Weeks, 0 Days Silica - 0
Buy Now
DISTI # BD9A400MUV-E2
Chip One Stop Semiconductors RoHS: Compliant Min Qty: 1 Lead time: 0 Weeks, 1 Days Container: Cut Tape 2904
  • 1 $0.8180
  • 10 $0.5890
  • 50 $0.5310
  • 100 $0.4670
  • 200 $0.4410
  • 500 $0.4180
  • 1,000 $0.3940
  • 2,000 $0.3730
$0.3730 / $0.8180 Buy Now

Part Details for BD9A400MUV-E2

BD9A400MUV-E2 CAD Models

BD9A400MUV-E2 Part Data Attributes

BD9A400MUV-E2 ROHM Semiconductor
Buy Now Datasheet
Compare Parts:
BD9A400MUV-E2 ROHM Semiconductor Switching Regulator, Current-mode, 4A, 1200kHz Switching Freq-Max, VQFN-16
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ROHM CO LTD
Package Description VQFN-16
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 17 Weeks
Samacsys Manufacturer ROHM Semiconductor
Additional Feature OUTPUT VOLTAGE RANGE FROM 0.8 TO 3.85V
Analog IC - Other Type SWITCHING REGULATOR
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 5.5 V
Input Voltage-Min 2.7 V
Input Voltage-Nom 5 V
JESD-30 Code S-XQCC-N16
Length 3 mm
Number of Functions 1
Number of Terminals 16
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Current-Max 4 A
Package Body Material UNSPECIFIED
Package Code HVQCCN
Package Shape SQUARE
Package Style CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Seated Height-Max 1 mm
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 1200 kHz
Temperature Grade INDUSTRIAL
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 3 mm

BD9A400MUV-E2 Related Parts

BD9A400MUV-E2 Frequently Asked Questions (FAQ)

  • A recommended PCB layout for optimal thermal performance would be to have a large copper area on the bottom layer connected to the thermal pad, and to use thermal vias to dissipate heat. A minimum of 2oz copper thickness is recommended.

  • To ensure the stability of the output voltage, it is recommended to use a capacitor with a low ESR value (less than 1 ohm) and a capacitance value of at least 10uF. Additionally, the output capacitor should be placed as close to the output pin as possible.

  • The maximum input voltage that can be applied to the device is 18V. Exceeding this voltage may cause damage to the device.

  • To protect the device from overcurrent, it is recommended to add an external current limiting resistor or a fuse in series with the input voltage. Additionally, the device has a built-in overcurrent protection (OCP) feature that will limit the output current to a safe level in case of an overload condition.

  • The recommended input capacitor value is 10uF to 22uF, and the recommended type is a ceramic capacitor with an X7R or X5R dielectric. The capacitor should be placed as close to the input pin as possible.

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