RT8120AGSP

Description：IC REG CTRLR BUCK 8SOP
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:6d6ee5b5f3cc Category: DC DC Switching Controllers Brand: Richtek USA Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：IC REG CTRLR BUCK 8SOP
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：3V ~ 13.2V
Frequency - Switching：300kHz
Duty Cycle (Max)：85%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Phase Control
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package：8-SOP-EP
Grade：-
Qualification：-

Download product information

RT8120AGSP

Overview

The RT8120AGSP is a synchronous step-down DC-DC switching controller manufactured by Richtek USA Inc. It operates with a fixed switching frequency of 300kHz and supports an input voltage range of 3V to 13.2V. The device features a maximum duty cycle of 85% and provides a single positive output configuration. It is housed in an 8-SOP-EP package with a width of 3.90mm. The component functions within a temperature range of -40°C to 85°C and includes enable and phase control characteristics.

Feature Summary

Synchronous rectification architecture for improved efficiency
Integrated transistor driver for external power stage control
Phase control capability for multi-phase expansion

Applications

Point-of-load regulation for embedded systems
Power supply stages for industrial controllers
Voltage conversion for communication equipment

Procurement Notes

Verify the specific suffix AGSP against the official Richtek datasheet to confirm pinout and electrical specifications. Ensure the 8-SOP-EP package matches the target PCB footprint, particularly the exposed pad thermal requirements. Confirm RoHS compliance status if required by assembly standards. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Selection Notes

Select this controller when a fixed 300kHz frequency is suitable for the design constraints. The 3V minimum input voltage allows operation from standard battery sources or regulated rails. Phase control support enables scalability to higher current applications through parallel operation. Verify that the external MOSFETs selected can handle the drive requirements and thermal loads associated with the synchronous topology.

Part Context

This component belongs to the RT8120 family of synchronous buck controllers. It shares the 8-SOP-EP package form factor with related parts like the RT8128AGSP, though functional differences exist such as clock synchronization capabilities. The device serves as a core power management element in compact designs requiring efficient voltage stepping.