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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3A TSOT23-8L
- 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)：4.5V
- Voltage - Input (Max)：36V
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：25.2V
- Current - Output：3A
- Frequency - Switching：300kHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：SOT-23-8 Thin, TSOT-23-8
- Supplier Device Package：TSOT23-8L
- Grade：-
- Qualification：-
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Overview
The BD9E304FP4-LBZTL is a single-channel synchronous buck DC-DC converter from ROHM Semiconductor, designed for industrial applications. It features an input voltage range of 4.5V to 36V and delivers a maximum output current of 3.0A. The device integrates low on-resistance power MOSFETs and utilizes light load mode control to enhance efficiency at low currents. Key electrical parameters include a minimum input voltage of 4.5V, maximum input voltage of 36V, adjustable output voltage down to 0.7V, and a maximum switching frequency setting of 0.3MHz. It operates within a temperature range of -40°C to 85°C.
Feature Summary
- Integrated low on-resistance power MOSFETs in a compact TSOT23-8L package for high power density
- Light load mode control improves efficiency during standby or low-power operation
- Current mode control architecture simplifies phase compensation and ensures excellent load response
- Comprehensive protection mechanisms including over-voltage, over-current, short circuit, thermal shutdown, and under-voltage lockout
Applications
- Industrial equipment power supplies
- Devices requiring reduced standby power consumption
- Space-constrained PCB designs needing small footprint solutions
Procurement Notes
Verify the specific suffix LBZTL against official ROHM documentation to confirm tape and reel packaging details and quantity per reel. Ensure the component status is confirmed as recommended for new designs. Cross-reference the RoHS compliance status with the latest manufacturer datasheet before procurement to ensure regulatory adherence.
Selection Notes
Select this component when a single-channel synchronous buck converter is required for industrial environments with input voltages up to 36V. It is suitable for applications prioritizing small board space due to its TSOT23-8L package. Consider its light load efficiency benefits for systems with variable duty cycles. Verify that the 0.3MHz maximum switching frequency meets the electromagnetic interference requirements of the target application.
Part Context
This part belongs to the BD9E series of integrated MOSFET DC-DC converters by ROHM. These devices utilize constant on-time control methods to achieve fast transient responses and low standby power consumption. The series is engineered to support the miniaturization of power sections in consumer and industrial electronics, offering a balance of performance and compact form factor.
Replacement Considerations
Consult official ROHM substitution guides for verified alternatives. Generic cross-references are not supported without explicit manufacturer confirmation.
