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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3A 20HTSSOP-B
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4.5V
- Voltage - Input (Max)：6V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：6V
- Current - Output：3A
- Frequency - Switching：250kHz ~ 1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-10°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-VSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：20-HTSSOP-B
- Grade：-
- Qualification：-
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Overview
The BD8627EFV-E2 is a system power supply IC manufactured by ROHM Semiconductor, classified as a switching voltage regulator. It features three output channels with a maximum output current of 3 A per channel. The device operates within an input voltage range supporting up to 1 MHz switching frequency and functions reliably between -10°C and +85°C. Housed in an HTSSOP-B-20 package, it includes shutdown functionality and exhibits humidity sensitivity.
Feature Summary
- Integrates three independent output channels for multi-rail power distribution
- Supports high-frequency operation at 1 MHz for compact passive component sizing
- Includes dedicated shutdown control for power management efficiency
Applications
- Mobile TFT liquid crystal panel power supplies
- System power supply ICs for display drivers
- Multi-output DC-DC conversion in portable electronics
Procurement Notes
Verify end-of-life status before procurement. The BD8627EFV-E2 is listed as discontinued or not recommended for new designs. Confirm availability through authorized distributors or secondary markets. Check for moisture sensitivity labeling and storage conditions. Validate that the HTSSOP-B-20 package matches your PCB footprint requirements. Ensure compatibility with existing design-in documentation.
Selection Notes
Select this component when a three-channel synchronous buck converter is required for LCD panel applications. Compare against similar ROHM series like BD8624EFV-E2 for pin compatibility differences. Consider the 1 MHz switching frequency impact on inductor selection. Verify thermal performance within the -10°C to +85°C operating range. Evaluate shutdown current consumption if low-power standby modes are critical.
Part Context
Part of the BD8627EFV series from ROHM Semiconductor's PMIC portfolio. Designed specifically for mobile TFT-LCD panels. Shares family characteristics with other BD86xx series regulators but differs in package and specific electrical parameters. Manufactured under ROHM's Nano Pulse Control technology principles.
Replacement Considerations
BD8624EFV-E2 is a related part with similar functionality but uses an HTSSOP-B-24 package instead of HTSSOP-B-20. Verify pin-to-pin compatibility before substitution. No direct public substitute part numbers are confirmed for this exact package and specification combination.
