LM27403SQX/NOPB Texas Instruments - Yeehing Electronics

3-V to 20-V voltage-mode synchronous buck controller and temperature-compensated DCR current sensing

Pricing (USD)

Quantity	Unit Price
1 — 99	2.061
100 — 249	1.702
250 — 999	1.223
1,000 +	0.64

The above prices are for reference only.

Specifications

Manufacturer	Texas Instruments
Product Category	Switching Controllers
RoHS	Y
Topology	Buck
Number of Outputs	1 Output
Switching Frequency	1050 kHz
Duty Cycle - Max	93 %
Input Voltage	20 V
Output Voltage	4.7 V
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C
Mounting Style	SMD/SMT
Package / Case	WQFN-24
Packaging	Reel
Description/Function	Synchronous buck controller offering exceptional levels of integration and performance for superior efficiency in high power density, point-of-load DC-DC regulator solutions
Operating Temperature Range	- 40 C to + 125 C
Output Type	Fixed
Product	Voltage Controllers
Series	LM27403
Type	Synchronous Buck Controller
Brand	Texas Instruments
Shutdown	Shutdown
Development Kit	LM27403EVM
Fall Time	20 us
Operating Supply Current	3.5 mA
Operating Supply Voltage	3 V to 20 V
Product Type	Switching Controllers
Rise Time	20 us
Factory Pack Quantity	4500
Subcategory	PMIC - Power Management ICs
Unit Weight	0.001411 oz

For more information, please refer to datasheet

Documents

LM27403SQX/NOPB Datasheet

More Information

The LM27403 is a feature-rich, easy-to-use, synchronous buck controller offering exceptional levels of integration and performance for superior efficiency in high power density, point-of-load (POL) DC-DC regulator solutions. The resistor-programmable switching frequency from 200 kHz to 1.2 MHz and integrated, high-current MOSFET gate drivers with adaptive deadtime offer flexibility to optimize solution size and maximize conversion efficiency.