The UCD7230 is part of the UCD7K family of digital control compatible drivers for applications utilizing digital control techniques or applications requiring fast local peak current limit protection.

The UCD7230 is a MOSFET gate driver specifically designed for synchronous buck applications. It is ideally suited to provide the bridge between digital controllers such as the UCD91xx or the UCD95xx and the power stage. With cycle-by-cycle current limit protection, the UCD7230 device protects the power stage from faulty input signals or excessive load currents.

The UCD7230 includes high-side and low-side gate drivers which utilize Texas Instrument’s TrueDrive output architecture. This architecture delivers rated current into the gate capacitance of a MOSFET during the Miller plateau region of the switching. Furthermore, the UCD7230 offers a low offset differential amplifier with a fixed gain of 48. This amplifier greatly simplifies the task of conditioning small current sense signals inherent in high efficiency buck converters.

The UCD7230 includes a 3.3-V, 10-mA linear regulator to provide power to digital controllers such as the UCD91xx. The UCD7230 is compatible with standard 3.3-V I/O ports of the UCD91xx, the TMS320TM family DSPs, µCs, or ASICs.

The UCD7230 is offered in PowerPAD™ HTSSOP or space-saving QFN packages. Package pin out has been carefully designed for optimal board layout

• Input from Digital Controller Sets Operating Frequency and Duty Cycle
• Up to 2-MHz Switching Frequency
• Dual Current Limit Protection with Independently Adjustable Thresholds
• Fast Current Sense Circuit with Adjustable Blanking Interval Prevents Catastrophic Current Levels
• Digital Output Current Limit Flag
• Low Offset, Gain of 48, Differential Current Sense Amplifier
• 3.3-V, 10-mA Internal Regulator
• Dual TrueDrive? High-Current Drivers
• 10-ns Typical Rise/Fall Times with 2.2-nF Loads
• 4.5-V to 15.5-V Supply Voltage Range
• APPLICATIONS
  • Digitally-Controlled Synchronous-Buck Power Stages for Single and Multi-Phase Applications
  • Especially Suited for Use with UCD91xx or UCD95xx Contollers
  • High-Current Multi-Phase VRM/EVRD Regulators for Desktop, Server, Telecom and Notebook Processors
  • Digitally-Controlled Synchronous-Buck Power Supplies Using μCs or the TMS320TM DSP Family

• Number of outputs
• 1
• Frequency (Max) (kHz)
• 2000
• Number of ADC channels
• 0
• Number of digital power peripheral feedback loops
• 1
• Operating temperature range (C)
• -40 to 125
• Rating
• Catalog

UCD7230的完整型号有：UCD7230RGWR、UCD7230RGWT，以下是这些产品的关键参数及官网采购报价：

UCD7230RGWR，工作温度：-40 to 125，封装：VQFN (RGW)-20，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网UCD7230RGWR的批量USD价格：.623（1000+）

UCD7230RGWT，工作温度：-40 to 125，封装：VQFN (RGW)-20，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网UCD7230RGWT的批量USD价格：.732（1000+）

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