LM3495 - 用于低输出电压的仿真峰值电流模式降压控制器

LM3495是TI德州仪器公司的一款控制器（外部开关）产品，LM3495是用于低输出电压的仿真峰值电流模式降压控制器，本站介绍了LM3495的封装应用图解、特点和优点、功能等，并给出了与LM3495相关的TI元器件型号供参考。

LM3495 - 用于低输出电压的仿真峰值电流模式降压控制器 - 控制器（外部开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The LM3495 is a PWM buck regulator which implements a unique emulated peak current mode control. This control method eliminates the switching noise which typically limits current mode operation at extremely short duty cycles and high operating frequency. The switching frequency is programmable between 200 kHz and 1.5 MHz, and can also be synchronized to an external clock. The LM3495 is also very fault tolerant with both switch node short, hiccup mode, and adaptive duty cycle limit protection. A 0.6V 1% reference and glitch free pre-biased start-up ensure the most demanding digital loads operate reliably. Internal soft start and the ability to track the output of another supply make the LM3495 versatile and efficient.

产品特性

Input Voltage from 2.9V to 18V
Output Voltage Adjustable from 0.6V to 5.5V
Feedback Accuracy: ±1%
Low-Side Sensing, Programmable Current Limit without Sense Resistor
Input Under Voltage Lockout
Hiccup Mode Current Limit Protection Eliminates Thermal Runaway During Fault Conditions
Internal Soft Start with Tracking Capability
200 kHz to 1.5 MHz Switching Frequency, Synchronizable
On-Chip Gate Drivers
Soft Output Discharge During Shutdown
Startup into Output Pre-Bias
Operation from a Single Input Rail
Adaptive Duty Cycle Limit
TSSOP-16 Package

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