参数资料
型号: NCP4687DSN28T1G
厂商: ON Semiconductor
文件页数: 1/18页
文件大小: 0K
描述: IC REG LDO 2.8V .5A SOT-23
标准包装: 1
稳压器拓扑结构: 正,固定式
输出电压: 2.8V
输入电压: 最高 5.25V
电压 - 压降(标准): 0.23V @ 500mA
稳压器数量: 1
电流 - 输出: 500mA(最小)
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SC-74A,SOT-753
供应商设备封装: SOT-23-5
包装: 标准包装
其它名称: NCP4687DSN28T1GOSDKR
NCP4687
500 mA, High PSRR, LDO
Linear Voltage Regulator
The NCP4687 is a CMOS 500 mA LDO linear voltage regulator
with high output voltage accuracy which features a high ripple
rejection, low supply current with low dropout and chip enable with
built ? in low R DS(on) NMOS transistor for fast output capacitor
discharging as option. The device is composed of the voltage reference
unit, error amplifier, resistor divider for output voltage sensing or
precise output voltage setting. The current limit and thermal shutdown
makes the device very suitable for industrial applications and portable
communication equipments.
http://onsemi.com
MARKING
DIAGRAMS
Features
? Operating Input Voltage Range: 2.5 V to 5.25 V
? Output Voltage Range: 0.7 to 3.6 V (available in 0.1 V steps)
? ± 0.8% Output Voltage Accuracy @ V out > 1.8 V
? Output noise : 40 m V rms
? Line Regulation: 0.02%/V
? Current Limit Circuit
? High PSRR: 75 dB at 1 kHz, 70 dB at 10 kHz
? Thermal Shutdown
? Available in SOT ? 23 ? 5, SOT ? 89 ? 5 and uDFN 1.2 x 1.2 mm
Packages
? Pb ? Free Packages are Available
SOT89 ? 5
CASE 528AB
XDFN6
CASE 711AH
SOT ? 23 ? 5
CASE 1212
1
1
XX
MM
XXXMM
Typical Applications
? Home Appliances, Industrial Equipment
? DVB ? T and DVB ? S Receivers
? Car Audio Equipment, Navigation Systems
? Notebook Adaptors, LCD TVs, Cordless Phones and Private LAN
Systems
XX, XXX= Specific Device Code
MM = Date Code
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 15 of this data sheet.
VIN
VIN
NCP4687x
VOUT
VOUT
C1
1.0 m F
CE
GND
SENSE
C2
1.0 m F
Figure 1. Typical Application Schematic
? Semiconductor Components Industries, LLC, 2012
February, 2012 ? Rev. 2
1
Publication Order Number:
NCP4687/D
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