BD9540EFV-E2 is a dual-channel synchronous DC-DC switching regulator controller designed for applications such as desktop PCs, LCD TVs, and game consoles. It operates with an input voltage range of 7.5V to 20V and can generate output voltages from 0.75V to 5.5V. The controller utilizes Quarktwin Technology's proprietary H¬=Reg,Ñ¢ control method, which enhances transient response to load changes. Key features include built-in protections such as thermal shutdown, under-voltage lockout, adjustable over-current protection, over-voltage protection, and short-circuit protection. The device also incorporates a soft-start function to limit inrush current during startup. It is packaged in a compact HTSSOP-B28 format, making it suitable for space-constrained designs. The BD9540EFV-E2 is particularly well-suited for powering DRAM and graphics chips, offering high efficiency through the use of external N-MOSFETs.
Manufacturer: Rohm Semiconductor
Win Source Part Number: 049487-BD9540EFV-E2
Packaging: Reel - TR
Output Type: Transistor Driver
Topology: Buck
Control Features: Current Limit, Enable
Number of Outputs: 2
Synchronous Rectifier: Yes
Output Phases: 1
Clock Sync: No
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -20°C to 100°C (TA)
Case / Package: 28-HTSSOP-B
Purpose: Step-Down
Supply Voltage - Operating: 7.5 V to 20 V
Popularity: Medium
Fake Threat In the Open Market: 30 pct.
Supply and Demand Status: Sufficient
Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-HTSSOP-B
Switching Voltage Regulators SWITCHING REGULATOR
IC REG CTRLR BUCK 28HTSSOP
Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-HTSSOP-B
IC REG CTRLR BUCK 28HTSSOP
| Win Source Electronics | DigiKey | VAST STOCK CO., LIMITED | Utmel Electronic Limited | Quarktwin Technology Ltd. | Lingto Electronic Limited | |
|---|---|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | 049487-BD9540EFV-E2 | BD9540EFV-E2-ND | BD9540EFV-E2 | 687-BD9540EFV-E2 | BD9540EFV-E2 | BD9540EFV-E2 |
| Product Name | PMIC - PMIC - Voltage Regulators - DCDC Switching Controllers - BD9540EFV-E2 | DC DC Switching Controllers | Switching Voltage Regulators | IC REG CTRLR BUCK 28HTSSOP | DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
| Configuration / Function | Buck | Buck | ||||
| Output Voltage Type | Transistor Driver | Transistor Driver | Fixed; Transistor Driver | |||
| Package Type | SSOP; Other; 28-HTSSOP-B | Other; "28-VSSOP (0.173"", 4.40mm Width) Exposed Pad" | SSOP; Other; 28-VSSOP (0.173, 4.40mm Width) | SSOP; Other; 28-VSSOP (0.173\", 4.40mm Width) Exposed Pad | ||
| Life Cycle Stage | Maturity; Active | Declining; Not For New Designs |
