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- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for BD5423AEFS-E2
- Part Number BD5423AEFS-E2
- Manufacturer ROHM Semiconductor
- Pin Count 44
- Last Modified Date Mar 19, 2025 2:07 PM UTC
- Pinout / Pin List Click Here (Member Only)
BD5423AEFS-E2 Details
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Manufacturer Part Number:
BD5423AEFS-E2
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Part Package Code:
TSSOP
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Package Description:
HTSSOP-44
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Pin Count:
44
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ECCN Code:
EAR99
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HTS Code:
8542.33.00.01
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Manufacturer:
ROHM Semiconductor
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YTEOL:
8
BD5423AEFS-E2 Frequently Asked Questions (FAQs)
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ROHM recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended, and the thermal pad should be connected to a ground plane or a dedicated heat sink.
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To ensure stable operation with a high-ESR output capacitor, ROHM recommends adding a 0.1uF ceramic capacitor in parallel with the output capacitor to improve the overall ESR. Additionally, the output capacitor should be placed close to the IC to minimize parasitic inductance.
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The maximum allowed voltage on the EN pin is 6V, which is the absolute maximum rating. However, for normal operation, the recommended voltage range is 0V to 5.5V.
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The output voltage ripple can be calculated using the formula: ΔVout = (Iout * ESR) / (fsw * Cout), where Iout is the output current, ESR is the equivalent series resistance of the output capacitor, fsw is the switching frequency, and Cout is the output capacitance.
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ROHM recommends using a ceramic capacitor with a value of 4.7uF to 10uF, and an X5R or X7R dielectric, as they provide low ESR and high reliability.
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BD5423AEFS-E2 Overview
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