NCP729: Linear Voltage Regulator, LDO, Ultra Low Noise, Very Low Iq, High PSRR, 200 mA

The NCP729 is a 200 mA LDO suitable to provide clean analog power supply rails for noise sensitive applications. This device features Ultra-Low Noise performance, High Power Supply Rejection Ratio and Very good transient response characteristics. Very Low Dropout and Very Low Quiescent Current makes this LDO an attractive choice for wide range of battery powered, portable products. Current Limit and Thermal Shutdown provide protection during failure conditions. NCP729 is available in 1.06 mm x 1.06 mm Chip Scale Package and it is stable with small 1 uF Ceramic capacitors.

特性

Operating Input Voltage Range: 2.0V to 5.5V
Ultra-Low Output Noise: Typ. 11µVrms from 100Hz to 100kHz
Ultra-Low No-Load Ground Current of Typ. 35µA
High Ripple Rejection Ratio: Typ. 72dB @ 1kHz
Stable with small 1µF ceramic output capacitor
Available Fixed Output Voltage Options: 0.8V to 3.5V
Output voltage trimming step: 2.5mV
Enable/Shutdown Pin Function
Ultra-Low Shutdown Mode Current: Max. 1µA
Active Output Discharge
Ouput Short Circuit and Current Limit Protection
Thermal Shutdown Protection
Very-Low Dropout Voltage: Typ. 86mV @ 200mA
Available in small 1.06mm x 1.06mm 4-bump CSP package
Output Voltage Accuracy: ±2.0% over load/line and temperature variations

优势

Well suited for battery powered applications
Very well suited for noise sensitive applications
Improved efficiency during ligh-load conditions
Effectively filters the supply line noise
Small solution size
Sub-bandgap output voltages avaliable
Output voltage can be trimmed precisely according to specific customer needs
Allows to turn ON/OFF the Regulator using logic I/O signal
Minimizes battery drain when placed in the Shutdown Mode
Fast Output Voltage Turn-off
Assures robust design
Protects from overheating
Supports applications with very low Input to Output Voltage requirements
Very well suited for space-constrained applications
Supports applications with tight regulation requirements

应用

High-Frequency Precision Clock Supplies
PLL, VCO, TCXO Power Supplies
GPS Receiver Section Supply
Audio Section Supply
WLAN Tranceiver Power
Touchscreen Controller Supply
Camera Module Power Supply
Power for Precision Analog-to-Digital Converters
Noise Sensitive RF Sections

终端产品

Smartphone
Tablet
GPS Portable Navigation Device
Personal Digital Assistant (PDA)
Remote Control
Zigbee, Bluetooth, WLAN Based Devices
Intrumentation Equipement
Communication Devices

仿真模型 (5)

Document Title	Document ID/Size	Revision	Revision Date
NCP729-1.8V PSPICE MODEL	NCP729-1.8V PSPICE MODEL (80.0kB)	0
NCP729-2.6V PSPICE MODEL	NCP729-2.6V PSPICE MODEL (78.0kB)	0
NCP729-2.85V PSPICE MODEL	NCP729-2.85V PSPICE MODEL (89.0kB)	0
NCP729-2.8V PSPICE MODEL	NCP729-2.8V PSPICE MODEL (79.0kB)	0
NCP729-3.3V PSPICE MODEL	NCP729-3.3V PSPICE MODEL (89.0kB)	0

封装图纸 (1)

Document Title	Document ID/Size	Revision
CSP4, 1.06x1.06	568AD (54.3kB)	A

数据表 (1)

Document Title	Document ID/Size	Revision	Revision Date
Linear Voltage Regulator, LDO, Ultra Low Noise, Very Low Iq, High PSRR, 200 mA	NCP729/D (677.0kB)	2

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）
NCP729FC08T2G	Active	Pb-free Halide free	CSP-4	568AD	1	Tape and Reel	5000	$0.4667
NCP729FC18T2G	Active	Pb-free Halide free	CSP-4	568AD	1	Tape and Reel	5000	$0.4667
NCP729FC25T2G	Active	Pb-free Halide free	CSP-4	568AD	1	Tape and Reel	5000	$0.4667
NCP729FC26T2G	Active	Pb-free Halide free	CSP-4	568AD	1	Tape and Reel	5000	$0.4667
NCP729FC285T2G	Active	Pb-free Halide free	CSP-4	568AD	1	Tape and Reel	5000	$0.4667
NCP729FC28T2G	Active	Pb-free Halide free	CSP-4	568AD	1	Tape and Reel	5000	$0.4667
NCP729FC30T2G	Active	Pb-free Halide free	CSP-4	568AD	1	Tape and Reel	5000	$0.4667
NCP729FC33T2G	Active	Pb-free Halide free	CSP-4	568AD	1	Tape and Reel	5000	$0.4667

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)
NCP729FC08T2G	Single	Positive	0.8	0.2	6	0.086	0.035	72	10
NCP729FC18T2G	Single	Positive	1.8	0.2	6	0.086	0.035	72	10
NCP729FC25T2G	Single	Positive	2.5	0.2	6	0.086	0.035	72	10
NCP729FC26T2G	Single	Positive	2.6	0.2	6	0.086	0.035	72	10
NCP729FC285T2G	Single	Positive	2.85	0.2	6	0.086	0.035	72	10
NCP729FC28T2G	Single	Positive	2.8	0.2	6	0.086	0.035	72	10
NCP729FC30T2G	Single	Positive	3	0.2	6	0.086	0.035	72	10
NCP729FC33T2G	Single	Positive	3.3	0.2	6	0.086	0.035	72	10