BD9122GUL-E2

$3.58

Description：IC REG BUCK ADJ 300MA 8VCSP50L2
Series：-
Mfr：Rohm Semiconductor
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:ec3e9802552f Category: Voltage Regulators - DC DC Switching Regulators Brand: Rohm Semiconductor

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK ADJ 300MA 8VCSP50L2
Series：-
Mfr：Rohm Semiconductor
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：2.5V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：1V
Voltage - Output (Max)：2V
Current - Output：300mA
Frequency - Switching：1MHz
Synchronous Rectifier：Yes
Operating Temperature：-25°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-UFBGA, CSPBGA
Supplier Device Package：8-VCSP50L2 (2.09x1.85)
Grade：-
Qualification：-

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BD9122GUL-E2

Overview

The BD9122GUL-E2 is a high-efficiency step-down switching regulator manufactured by ROHM Semiconductor. It operates with an input voltage range of 2.5 V to 5.5 V and provides a single adjustable output voltage from 1 V to 2 V. The device delivers a maximum output current of 300 mA. Key electrical parameters include a quiescent current of 10 uA, a switching frequency of 1 MHz, and an operating supply current of 250 uA. It functions within a temperature range of -25°C to +85°C and utilizes a VCSP50L2-8 package.

Feature Summary

Integrates a buck topology for efficient DC-DC conversion
Features low static current consumption for power saving
Includes shutdown functionality for system power management

Applications

Portable electronic devices requiring efficient step-down regulation
Battery-powered systems with 2.5V to 5.5V input sources
Embedded circuits needing compact power management solutions

Procurement Notes

Verify the specific suffix E2 against the manufacturer's latest datasheet to confirm compliance with current environmental standards and pinout configurations. Ensure the ordering information matches the required packaging format, such as cut tape or reel, as specified in the official product documentation before finalizing procurement orders.

Selection Notes

Select this component when a compact solution is needed for converting 2.5V to 5.5V inputs to lower voltages up to 2V. It is suitable for applications prioritizing low quiescent current and small footprint. Consider the 300 mA output limit and the specific VCSP50L2-8 package dimensions during PCB layout design to ensure adequate thermal performance and space allocation.

Part Context

This part belongs to the BD9122GUL series of switching voltage regulators from ROHM Semiconductor. It is categorized under PMIC - Power Management ICs and specifically designed as a step-down switching regulator. The series focuses on providing efficient power conversion in small packages for portable electronics.