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Datasheet > REG101NA-2.8/250
REG101NA-2.8/250 PDF预览

REG101NA-2.8/250

更新时间： 2024-11-06 20:13:19
品牌 Logo 应用领域
BB 光电二极管输出元件调节器
页数 文件大小 规格书
13页 227K
描述
Fixed Positive LDO Regulator, 2.8V, 0.13V Dropout, NMOS, PDSO5, SOT-23, 5 PIN

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REG101NA-2.8/250 技术参数

生命周期：Transferred包装说明：SOT-23, 5 PIN
Reach Compliance Code：unknown风险等级：5.65
最大回动电压 1：0.13 V最大输入电压：10 V
最小输入电压：3.4 VJESD-30 代码：R-PDSO-G5
功能数量：1端子数量：5
工作温度TJ-Max：85 °C工作温度TJ-Min：-40 °C
最大输出电流 1：0.1 A最大输出电压 1：2.8756 V
最小输出电压 1：2.7244 V标称输出电压 1：2.8 V
封装主体材料：PLASTIC/EPOXY封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR表面贴装：YES
技术：NMOS端子形式：GULL WING
端子位置：DUALBase Number Matches：1

REG101NA-2.8/250 数据手册

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REG101  
REG101  
www.ti.com  
DMOS  
100mA Low Dropout Regulator  
DESCRIPTION  
FEATURES  
The REG101 is a family of low noise, low dropout  
linear regulators with low ground pin current. Its new  
DMOS topology provides significant improvement  
over previous designs, including low dropout voltage  
(only 60mV typ at full load), and better transient  
performance. In addition, no output capacitor is re-  
quired for stability, unlike conventional low dropout  
regulators that are difficult to compensate and require  
expensive low ESR capacitors greater than 1µF.  
● NEW DMOS TOPOLOGY:  
Ultra Low Dropout Voltage:  
60mV typ at 100mA  
Output capacitor NOT required for stability  
● FAST TRANSIENT RESPONSE  
●
VERY LOW NOISE: 23µVrms  
● HIGH ACCURACY: ±1.5% max  
● HIGH EFFICIENCY:  
Typical ground pin current is only 500µA (at IOUT  
=
IGND = 500µA at IOUT = 100mA  
Not Enabled: IGND = 10nA  
100mA) and drops to 10nA when not enabled mode.  
Unlike regulators with PNP pass devices, quiescent  
current remains relatively constant over load variation  
and under dropout conditions.  
● 2.5V, 2.8V, 2.85V, 3.0V, 3.3V, 5.0V AND  
ADJUSTABLE OUTPUT VERSIONS  
The REG101 has very low output noise (typically  
23µVrms for VOUT = 3.3V with CNR = 0.01µF),  
making it ideal for use in portable communications  
equipment. Accuracy is maintained over temperature,  
line, and load variations. Key parameters are guaran-  
teed over the specified temperature range  
(–40°C to +85°C).  
● OTHER OUTPUT VOLTAGES AVAILABLE  
UPON REQUEST  
● FOLDBACK CURRENT LIMIT  
● THERMAL PROTECTION  
● SMALL SURFACE-MOUNT PACKAGES:  
SOT23-5 and SO-8  
The REG101 is well protected—internal circuitry pro-  
vides a current limit which protects the load from  
damage. Thermal protection circuitry keeps the chip  
from being damaged by excessive temperature. The  
REG101 is available in the SOT23-5 and the SO-8  
packages.  
APPLICATIONS  
● PORTABLE COMMUNICATION DEVICES  
● BATTERY-POWERED EQUIPMENT  
● PERSONAL DIGITAL ASSISTANTS  
● MODEMS  
● BAR-CODE SCANNERS  
● BACKUP POWER SUPPLIES  
Enable  
Enable  
VOUT  
VIN  
VOUT  
VIN  
REG101  
(Fixed Voltage  
Versions)  
+
R1  
Adj  
R2  
+
+
+
0.1µF  
(1)  
(1)  
COUT  
REG101-A  
COUT  
0.1µF  
NR  
Gnd  
Gnd  
NR = Noise Reduction  
NOTE: (1) Optional.  
Copyright © 2000, Texas Instruments Incorporated  
SBVS026A  
Printed in U.S.A. December, 2000  
1234567...13

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