LM5574-Q1 - SIMPLE SWITCHER? 75V、0.5A 降压开关稳压器

LM5574-Q1是TI德州仪器公司的一款转换器（集成开关）产品，LM5574-Q1是SIMPLE SWITCHER? 75V、0.5A 降压开关稳压器，本站介绍了LM5574-Q1的封装应用图解、特点和优点、功能等，并给出了与LM5574-Q1相关的TI元器件型号供参考。

LM5574-Q1 - SIMPLE SWITCHER? 75V、0.5A 降压开关稳压器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

LM5574-Q1 is an Automotive Grade Product That is AEC-Q100 Grade Qualified
−40°C to + 150°C Operating Junction Temperature
Integrated 75 V, 750 mΩ N-Channel MOSFET
Ultra-Wide Input Voltage Range From 6 V to 75 V
Adjustable Output Voltage as Low as 1.225 V
1.65% Feedback Reference Accuracy
Operating Frequency Adjustable Between 50 kHz and 500 kHz With Single Resistor
Master or Slave Frequency Synchronization
Adjustable Soft-Start
Emulated Current Mode Control Architecture
Wide Bandwidth Error Amplifier
Built-In Protection
Package:
- TSSOP-16

产品应用

Automotive
Industrial

产品说明

The LM5574-Q1 is an easy to use SIMPLESWITCHER® buck regulator which allows design engineers to design and optimize a robust power supply using a minimum set of components. Operating with an input voltage range of 6 - 75 V, the LM5574-Q1 delivers 0.5 A of continuous output current with an integrated 750 mΩ N-Channel MOSFET. The regulator utilizes an Emulated Current Mode architecture which provides inherent line regulation, tight load transient response, and ease of loop compensation without the usual limitation of low-duty cycles associated with current mode regulators. The operating frequency is adjustable from 50 kHz to 500 kHz to allow optimization of size and efficiency. To reduce EMI, a frequency synchronization pin allows multiple ICs from the LM(2)557x family to self-synchronize or to synchronize to an external clock. The LM5574-Q1 ensures robustness with cycle-by-cycle current limit, short-circuit protection, thermal shut-down, and remote shut-down. The device is available in a TSSOP-16 package. The LM5574-Q1 is supported by the full suite of WEBENCH® On-Line design tools.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LM5574-Q1	TSSOP (16)	5.00 mm x 4.40 mm

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