LM2735 - 520kHz/1.6MHz - 节省空间的升压和 SEPIC DC-DC 稳压器

LM2735是TI德州仪器公司的一款转换器（集成开关）产品，LM2735是520kHz/1.6MHz - 节省空间的升压和 SEPIC DC-DC 稳压器，本站介绍了LM2735的封装应用图解、特点和优点、功能等，并给出了与LM2735相关的TI元器件型号供参考。

LM2735 - 520kHz/1.6MHz - 节省空间的升压和 SEPIC DC-DC 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

Input Voltage Range: 2.7 V to 5.5 V
Output Voltage Range: 3 V to 24 V
2.1-A Switch Current Over Full Temperature Range
Current-Mode Control
Logic High Enable Pin
Ultra-Low Standby Current of 80 nA in Shutdown
170-mΩ NMOS Switch
±2% Feedback Voltage Accuracy
Ease-of-Use, Small Total Solution Size
- Internal Soft Start
- Internal Compensation
- Two Switching Frequencies
- 520 kHz (LM2735-Y)
- 1.6 MHz (LM2735-X)
- Uses Small Surface Mount Inductors and Chip Capacitors
- Tiny SOT-23, WSON, and MSOP-PowerPAD Packages
LM2735-Q1 is AEC-Q100 Grade 1 Qualified and is Manufactured on an Automotive Grade Flow

产品应用

LCD Display Backlighting For Portable Applications
OLED Panel Power Supply
USB-Powered Devices
Digital Still and Video Cameras
White LED Current Source
Automotive

产品说明

The LM2735 device is an easy-to-use, space-efficient 2.1-A low-side switch regulator, ideal for Boost and SEPIC DC-DC regulation. The device provides all the active functions to provide local DC-DC conversion with fast-transient response and accurate regulation in the smallest PCB area. Switching frequency is internally set to either 520 kHz or 1.6 MHz, allowing the use of extremely small surface mount inductor and chip capacitors, while providing efficiencies of up to 90%. Current-mode control and internal compensation provide ease-of-use, minimal component count, and high-performance regulation over a wide range of operating conditions. External shutdown features an ultra-low standby current of 80 nA, ideal for portable applications. Tiny SOT-23, WSON, and MSOP-PowerPAD packages provide space savings. Additional features include internal soft start, circuitry to reduce inrush current, pulse-by-pulse current limit, and thermal shutdown.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LM2735	WSON (6)	3.00 mm × 3.00 mm
	SOT-23 (5)	1.60 mm × 2.90 mm
	MSOP-PowerPAD (8)	3.00 mm × 3.00 mm
LM2735-Q1	WSON (6)	3.00 mm × 3.00 mm
LM2735-Q1	SOT-23 (5)	1.60 mm × 2.90 mm

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