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High Performance Regulators for PCs
ROHM's lineup of power supply ICs are ideal for a variety of devices, such as graphics cores, PC chipsets, and DDR-SDRAM that use progressively lower voltages and operate at higher speeds. Features include high-speed load response characteristics, low current consumption (high efficiency), and high drive capabilities utilizing original circuit technology. Select the optimal solution selected based on the particular application.

The Regulator Quick Search searches from among the series listed below.
3-pin regulators, LDO regulators, secondary LDO regulators, CMOS LDO regulators (for portables), switching regulators with built-in FET, switching regulator controllers (compatible with external high-current FETs), power supply ICs for PCs, and powre supply ICs for flat panel TVs, Power Management ICs for Automotive Body Control
Broad Lineup High Performance Regulators for PCs
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Switching Regulator Controllers for Graphic Chip Cores
- Load slope function ensures stable output-even during load fluctuations
- Load slope function decreases power consumption
- SLLM (PFM) control switching enables high efficiency, even during suspend mode
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Main Power Supply ICs for Notebook PCs (With Built-in Linear Regulator)
- Built-in 5V / 3.3V linear regulators
- LDO with integrated external power supply terminal ensures high efficiency operation
- High-speed load response with H3REGTM control
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Switching Regulators for DDR-SDRAM Cores
- SLLM (PFM) control ensures efficient operation, even in suspend mode
- 2ch type contributes to end-product miniaturization
- Enable (EN) and Soft Start (SS) terminals make sequence control easy in multiple power supply configurations
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2ch Switching Regulators for Desktop PCs
- High-speed load response ensures stable operating voltage
- Integrated DAC enables flexible setting of output voltage
- Built-in diode for bootstrap and overcurrent detection results in fewer external components
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Switching Regulators with MOSFET for DDR-SDRAM Cores
- Integrated large current FET contributes to greater space savings
- SLLM (PFM) control ensures high efficiency operation, even in suspend mode
- Enable (EN) and Soft Start (SS) terminals enable simple sequence control in multiple power supply applications
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Termination Regulators for DDR-SDRAMs
- High-speed load response
- Easy to use-no input sequence required
- Ceramic capacitor compatibility
Applicable Models : All models except BD3532F, BD3531F
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Ultra-low-dropout Linear Regulator Controllers for PC Chipsets
- Stable operation with high-speed load response
- Stable operation, even during load pulses
- High efficiency power supply configuration similar to switching power supplies
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Ultra-low-dropout Linear Regulators for PC Chipsets
- Nch FET and 2 power supply terminals reduce power loss for greater efficiency
- Backside heat sink ensures high power capability (BD3550HFN, BD3507HFV, BD3551HFN, BD3552HFN, BD3508MUV)
- High-speed load response with sufficient operating margin
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Ultra-low-dropout Linear Regulators for Desktop PC
- High-speed load response provides plenty of operating margin
- Nch FET and 2 power supply terminals reduce power loss for greater efficiency
- Backside heat sink ensures high power capability
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Ultra-low-dropout Linear Regulators for PC Chipsets with Power Good Function
- Power Good function contributes to greater space savings
- Backside heat sink ensures high power capability
- High-speed load response provides plenty of operating margin
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Linear Regulators for Desktop PCs
- Ultra-compact package
- Backside heat sink ensures high power capability
- Built-in soft start circuit
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Linear Regulators for Notebook PCs
- Compatible with compact ceramic capacitors for increased miniaturization
- Backside heat sink ensures high power capability
- Built-in soft start circuit
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Power Good ICs for PCs
- Separate voltage detection terminal and IC power supply
- Low power consumption
- Offered in compact, space-saving package types
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High Performance
Regulators for PCs
IC Cross Reference
Find a ROHM product similar to the competitor product by a manufacturer's device number or a manufacturer's name.
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