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NCP691

更新时间： 2024-11-23 05:52:03
品牌 Logo 应用领域
安森美 - ONSEMI 稳压器
页数 文件大小 规格书
14页 148K
描述
1 A, Low IGND, Very Low Dropout Regulator (VLDO) with/without Enable

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NCP691 数据手册

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NCP690, NCP691, NCP692  
1 A, Low IGND, Very Low  
Dropout Regulator (VLDO)  
with/without Enable  
The NCP690, NCP691, NCP692 CMOS LDO family provides 1 A  
of output current with enhanced ESD in either fixed voltage options or  
an adjustable output voltage from 5.0 V down to 1.25 V. This device is  
designed for space constrained and portable battery powered  
applications and offer additional features such as high PSRR, low  
Quiescent and Ground current consumption, low noise operation,  
short circuit and thermal protection. The device is designed to be used  
with low cost ceramic capacitors and is packaged in the 6−Lead  
DFN3x3 package.  
http://onsemi.com  
DFN6 3x3  
MN SUFFIX  
CASE 506AH  
1
MARKING DIAGRAM  
Features  
1
xxxzz  
AYWW  
G
• Output Voltage Options: Adjustable, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5.0 V  
– Other Options Possible  
Pb−Free  
• Adjustable Output by External Resistors from 5.0 V down to 1.25 V  
• Guaranteed 1 A Output Current  
xxx  
zz  
A
= 690, 691, 692  
= 15, 18, 25, 33, 50, AD  
= Assembly Location  
= Year  
= Work Week  
= Pb−Free Package  
•
1.5% Output Voltage Tolerance over All Operating Conditions  
(Adjustable)  
Y
•
2% Output Voltage Tolerance over All Operating Conditions  
(Fixed)  
WW  
G
• Typical Noise Voltage of 50 mVrms without a Bypass Capacitor  
• Typical Dropout Voltage of 190 mV at 1 A (V = 2.5 V, T = 25°C)  
PIN ASSIGNMENT  
out  
J
• Active Output Discharge  
• Active Low Enable Pin (NCP691 Device)  
• Active High Enable Pin (NCP692 device)  
• Enhanced ESD: 4 kV and 400 V  
1
1
GND  
GND  
Applications  
• Laptops and PCI Cards  
NCP690 − 6 PIN DFN  
Fixed Version  
NCP691, NCP692 −  
6 PIN DFN  
• Modem Banks and Telecom Boards  
• DSP, FPGA, Microprocessor Boards  
• Portable, Battery−Power Applications  
• Hard Disk Drives  
(Bottom View)  
Fixed Version  
(Bottom View)  
• These are Pb−Free Devices  
1
1
GND  
GND  
NCP690 − 6 PIN DFN  
Adjustable Version  
(Bottom View)  
NCP691, NCP692 −  
6 PIN DFN  
Adjustable Version  
(Bottom View)  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 13 of this data sheet.  
© Semiconductor Components Industries, LLC, 2009  
1
Publication Order Number:  
September, 2009 − Rev. 6  
NCP690/D  
1234567...14

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