BD8961NV-E2

$3.54

Description：IC REG BUCK 3.3V 2A SON008V5060
Series：-
Mfr：Rohm Semiconductor
Package：Tape & Reel (TR),Cut Tape (CT),Cut Tape (CT)

SKU:7d608d1f5311 Category: Voltage Regulators - DC DC Switching Regulators Brand: Rohm Semiconductor

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK 3.3V 2A SON008V5060
Series：-
Mfr：Rohm Semiconductor
Package：Tape & Reel (TR),Cut Tape (CT),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：4.5V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Current - Output：2A
Frequency - Switching：1MHz
Synchronous Rectifier：Yes
Operating Temperature：-25°C ~ 105°C (TA)
Mounting Type：Surface Mount
Package / Case：8-VDFN Exposed Pad
Supplier Device Package：SON008V5060
Grade：-
Qualification：-

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BD8961NV-E2

Overview

The BD8961NV-E2 is a single-channel synchronous buck converter manufactured by ROHM Semiconductor. It operates within an input voltage range of 4.5 V to 5.5 V and provides a fixed output voltage of 3.3 V. The device supports a maximum output current of 2 A with a typical switching frequency of 1 MHz. Key electrical specifications include a standby current of 10 uA and an operating supply current of 250 uA. It functions reliably across a temperature range of -25°C to +105°C and utilizes an SON-8 package.

Feature Summary

Integrates Nch/Pch FETs for high efficiency across all load ranges
Employs current mode PWM control for fast transient response
Includes soft-start, thermal protection, ULVO, and short-current protection circuits

Applications

Power supply for DSP
Microcomputer power systems
ASIC power delivery

Procurement Notes

Verify the NRND status before procurement as this component is not recommended for new designs. Confirm the SON-8 package compatibility and ensure the fixed 3.3 V output aligns with system requirements. Check RoHS compliance details and validate that the 4.5 V minimum input voltage suits the source supply. Review the datasheet for specific pinout and thermal pad connections.

Selection Notes

Select this component when a fixed 3.3 V output from a 5 V rail is required with integrated MOSFETs. It is suitable for applications needing compact SON-8 packaging and high efficiency. Consider the 10 uA standby current for low-power states. Ensure the input voltage never drops below 4.5 V to maintain regulation. Evaluate thermal performance at full 2 A load.

Part Context

This part belongs to the BD8961NV series of step-down switching regulators. It is designed for high-efficiency power conversion in portable electronics. The series focuses on integrating power switches to reduce external component count. It shares architectural similarities with other ROHM buck converters but offers a fixed output configuration.