The LM3488 is a versatile low-side N-FET high-performance controller for switching regulators. This device is suitable for use in topologies requiring low-side FET, such as boost, flyback, or SEPIC. Moreover, the LM3488 can be operated at extremely high switching frequency to reduce the overall solution size. The switching frequency of LM3488 can be adjusted to any value from 100 kHz to 1 MHz by using a single external resistor or by synchronizing it to an external clock. Current mode control provides superior bandwidth and transient response, besides cycle-by-cycle current limiting. Output current can be programmed with a single external resistor.

The LM3488 has built-in features such as thermal shutdown, short-circuit protection, and overvoltage protection. Power-saving shutdown mode reduces the total supply current to 5 µA and allows power supply sequencing. Internal soft-start limits the inrush current at start-up.

• Automotive Grade Product, AEC-Q100 Qualified
• 8-Lead VSSOP Package
• Internal Push-Pull Driver With 1-A Peak Current Capability
• Current Limit and Thermal Shutdown
• Frequency Compensation Optimized With a Capacitor and a Resistor
• Internal Soft-Start
• Current Mode Operation
• Undervoltage Lockout With Hysteresis
• Key Specifications:
  • Wide Supply Voltage Range of 2.97 V to 40 V
  • 100-kHz to 1-MHz Adjustable and Synchronizable Clock Frequency
  • ±1.5% (Overtemperature) Internal Reference
  • 5-μA Shutdown Current (Overtemperature)
• Create a Custom Design Using the LM3488 with the WEBENCH Power Designer

• Vin (Min) (V)
• 2.97
• Vin (Max) (V)
• 40
• Vout (Min) (V)
• 1.26
• Vout (Max) (V)
• 500
• Regulated outputs (#)
• 1
• Switching frequency (Min) (kHz)
• 100
• Switching frequency (Max) (kHz)
• 1000
• Iq (Typ) (mA)
• 2.7
• Features
• Adjustable Current Limit, Enable, Frequency Synchronization, Light Load Efficiency, Pre-Bias Start-Up
• Duty cycle (Max) (%)
• 100
• Rating
• Automotive

LM3488Q-Q1的完整型号有：LM3488QMM/NOPB、LM3488QMMX/NOPB，以下是这些产品的关键参数及官网采购报价：

LM3488QMM/NOPB，工作温度：-40 to 125，封装：VSSOP (DGK)-8，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM3488QMM/NOPB的批量USD价格：1.183（1000+）

LM3488QMMX/NOPB，工作温度：-40 to 125，封装：VSSOP (DGK)-8，包装数量MPQ：3500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM3488QMMX/NOPB的批量USD价格：1.011（1000+）

PSPICE-FOR-TI — 适用于 TI 设计和模拟工具的 PSpice

PSpice for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

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在?PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)

FLYBUCK-FLYBACK-DESIGN-CALC — Fly-Buck 和反激式拓扑选择器

该工具可帮助电源工程师基于规格选择正确的隔离式直流-直流拓扑。根据所选择的拓扑，计算器还会针对设计建议正确的 IC。