NCP59749: Ultra-Low Dropout Voltage Regulator with Bias Rail, 3 A

NCP59749 is 3 A ultra-low dropout (LDO) voltage regulator, capable of providing an output current in excess of 3 A with a dropout voltage of 120 mV typ. at full load current. Output voltage is adjustable down to 0.8 V. Internal protection features consist of thermal shutdown and output current limiting protection. Additional features include user-programmable Soft-Start and Power-Good. NCP59749 is available in 5x5 QFN20 package.

特性

0.8V to 3.6V Output Voltage Range
0.8V to 5.5V Input Voltage Range
120 mV typical dropout at the full 3.0 A load.
120mV Typ. Dropout @ 3A
25uVrms of Output Noise
Very Fast Transient Response
Output Current in Excess of 3.0 A
Fast Transient Response
Programmable Soft-Start
Open Drain Power Good Output
Stable with Any Type of Output Capacitor

优势

Very suitable for low output voltage operation
Excellent solution for low input voltage applications
minimizes the power loss across the regulator
Able to operate with very small Vin - Vout voltage headroom
Ideal for Noise Sensitive Applications
Very Suitable choice for Voltage Regulation in High-Speed Digital Applications

应用

POL Applications
Networking and Telecommunications
Voltage Regulation for Low Voltage, High Current FPGA, DSP power rails
Industrial
Voltage Regulation for Mixed-Signal Transceiver ICs
Computing and Peripherials
Medical
Consumer

终端产品

Servers
Routers
Networking Switches
Cellular Infrastructure Equipment
Cellular Telecom Equipment
Networking Switch
PoE Devices
Wireless Router
Medical Equipment
PoE Equipment
Optical Telecom Equipment
Ultrasound Imaging
Camera & Vision Systems
Servers
High-End Computing Equipment
FPGA, DSP and Logic Power Supplies

数据表 (1)

Document Title	Document ID/Size	Revision	Revision Date
3.0 A, Dual-Rail Very Low-Dropout Linear Regulator	NCP59749/D (247kB)	0	Mar, 2014

评估板文档 (4)

Document Title	Document ID/Size	Revision	Revision Date
NCP59749MN2ADJTBGEVB Bill of Materials ROHS Compliant	NCP59749MN2ADJTBGEVB_BOM_ROHS (39kB)	0
NCP59749MN2ADJTBGEVB Gerber Layout Files (Zip Format)	NCP59749MN2ADJTBGEVB_GERBER (25kB)	0
NCP59749MN2ADJTBGEVB Schematic	NCP59749MN2ADJTBGEVB_SCHEMATIC (23kB)	0
NCP59749MN2ADJTBGEVB Test Procedure	NCP59749MN2ADJTBGEVB_TEST_PROCEDURE (54kB)	0

封装图纸 (1)

Document Title	Document ID/Size	Revision
QFN20 5x5, 0.65P	485DB (57.1kB)	O

评估板与开发工具

产品	状况	Compliance	简短说明
NCP59749MN2ADJTBGEVB	Active	Pb-free	Ultra-Low Dropout LDO with Bias Rail Evaluation Board

产品订购型号

产品	状况	Compliance	封装		MSL*	容器		预算价格 (1千个数量的单价）
NCP59749MN2ADJTBG	Active	Pb-free Halide free	QFN-20	485DB	1	Tape and Reel	3000	$0.32

订购产品技术参数

Product	Output	Polarity	VO (V)	IO Typ (A)	VI Max (V)	VDO Typ (V)	Iq Typ (mA)	PSRR (dB)	Noise (µVrms)
NCP59749MN2ADJTBG	Single	Positive	Adjustable	3	5.5	0.12	1.2	75	20

3.0 A, Dual-Rail Very Low-Dropout Linear Regulator (247kB) NCP59749

NCP59749MN2ADJTBGEVB

QFN20 5x5, 0.65P NCP59749