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Product Detailed Parameters
- Description：IC REG BUCK ADJ 2A TSOT23-6L
- 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)：26V
- Voltage - Output (Min/Fixed)：0.7V
- Voltage - Output (Max)：20.8V
- Current - Output：2A
- Frequency - Switching：500kHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6 Thin, TSOT-23-6
- Supplier Device Package：TSOT-23-6L
- Grade：-
- Qualification：-
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Overview
The BD9E200FP4-ZTL is a single-channel synchronous buck DC-DC converter manufactured by ROHM Semiconductor. It integrates low on-resistance power MOSFETs and operates with an input voltage range of 4.5V to 26V, delivering a maximum output current of 2A. The device supports adjustable output voltages from 0.7V to 20.8V and features a switching frequency setting up to 0.5MHz. It includes light load mode control for improved efficiency at low loads and offers comprehensive protection mechanisms such as over-voltage, over-current, short circuit, and thermal shutdown.
Feature Summary
- Integrates low on-resistance power MOSFETs within a single channel synchronous buck topology.
- Utilizes light load mode control to enhance efficiency during low-power operation.
- Incorporates internal phase compensation to ensure stability under varying load conditions.
- Features spread spectrum technology to reduce electromagnetic interference.
Applications
- Consumer electronics requiring low standby power consumption
- Industrial equipment with strict efficiency requirements
- Portable devices utilizing battery-powered systems
Procurement Notes
Verify the specific suffix ZTL against the manufacturer's official datasheet to confirm tape and reel packaging specifications. Ensure compatibility with the intended PCB footprint, specifically the TSOT23-6L package dimensions. Cross-reference thermal performance data with your system's ambient operating conditions to validate heat dissipation requirements without additional heatsinking.
Selection Notes
Select this component when a compact synchronous buck solution is required for inputs up to 26V. It is suitable for applications demanding high efficiency in light load scenarios due to its dedicated light load mode. Consider the integrated MOSFET design for simplified bill of materials and reduced board space compared to discrete solutions.
Part Context
This part belongs to the BD9E series of integrated MOSFET DC-DC buck converters from ROHM. These devices utilize a constant on-time control method to achieve fast transient response and high oscillation frequencies with low inductance. The series is designed for applications where low standby power is critical, distinguishing it from standard linear regulators or non-synchronous switching alternatives.
Replacement Considerations
Consult official substitution lists for equivalent ROHM parts within the BD9E family. Verify pinout compatibility and electrical parameters before replacing with generic equivalents. No direct cross-brand substitutes are confirmed in public documentation.
