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REG104GA-2.7G4 PDF预览

REG104GA-2.7G4

更新时间： 2024-11-17 22:48:51
品牌 Logo 应用领域
德州仪器 - TI 线性稳压器IC调节器电源电路光电二极管输出元件
页数 文件大小 规格书
22页 438K
描述
DMOS 1A Low-Dropout Regulator

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REG104GA-2.7G4 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：SOT-223包装说明：GREEN, PLASTIC, SOT-223, 6 PIN
针数：6Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.66Is Samacsys：N
可调性：FIXED最大回动电压 1：0.4 V
标称回动电压 1：0.23 V最大绝对输入电压：16 V
最大输入电压：15 V最小输入电压：3.1 V
JESD-30 代码：R-PDSO-G6长度：6.5 mm
最大电网调整率：0.0945%最大负载调整率：0.0945%
功能数量：1输出次数：1
端子数量：6工作温度TJ-Max：125 °C
工作温度TJ-Min：-55 °C最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流 1：1 A
最大输出电压 1：2.781 V最小输出电压 1：2.619 V
标称输出电压 1：2.7 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOT-223-5
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度：1.8 mm
子类别：Other Regulators表面贴装：YES
技术：NMOS端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED最大电压容差：3%
宽度：3.5 mmBase Number Matches：1

REG104GA-2.7G4 数据手册

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REG104  
REG104  
REG  
104  
SBVS025G – SEPTEMBER 2001 – REVISED SEPTEMBER 2005  
DMOS  
1A Low-Dropout Regulator  
DESCRIPTION  
FEATURES  
The REG104 is a family of low-noise, low-dropout linear  
regulators with low ground pin current. Its new DMOS topol-  
ogy provides significant improvement over previous designs,  
including low dropout voltage (only 230mV typ at full load),  
and better transient performance. In addition, no output  
capacitor is required 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:  
230mV typ at 1A and 3.3V Output  
Output Capacitor NOT Required for Stability  
● FAST TRANSIENT RESPONSE  
● VERY LOW NOISE: 33µVRMS  
● HIGH ACCURACY: ±2% max  
● HIGH EFFICIENCY:  
Typical ground pin current is only 1.7mA (at IOUT = 1A) and  
drops to 0.5µA in not enabled mode. Unlike regulators with  
PNP pass devices, quiescent current remains relatively con-  
stant over load variations and under dropout conditions.  
IGND = 1.7mA at IOUT = 1A  
Not Enabled: IGND = 0.5µA  
● 2.5V, 2.7V, 3.0V, 3.3V, 5.0V AND  
ADJUSTABLE OUTPUT VERSIONS  
The REG104 has very low output noise (typically 33µVRMS  
for VOUT = 3.3V with CNR = 0.01µF), making it ideal for use  
in portable communications equipment. On-chip trimming  
results in high output voltage accuracy. Accuracy is main-  
tained over temperature, line, and load variations. Key pa-  
rameters are tested over the specified temperature range  
(–40°C to +85°C).  
● THERMAL PROTECTION  
● SMALL SURFACE-MOUNT PACKAGES:  
SOT223-5, DDPAK-5  
APPLICATIONS  
● PORTABLE COMMUNICATION DEVICES  
● BATTERY-POWERED EQUIPMENT  
● MODEMS  
The REG104 is well protected—internal circuitry provides a  
current limit which protects the load from damage. Thermal  
protection circuitry keeps the chip from being damaged by  
excessive temperature. The REG104 is available in the  
DDPAK-5 and the SOT223-5.  
● BAR-CODE SCANNERS  
● BACKUP POWER SUPPLIES  
Enable  
Enable  
VOUT  
VIN  
VOUT  
VIN  
REG104  
(Fixed Voltage  
Versions)  
+
R1  
Adj  
R2  
+
+
+
0.1µF  
(1)  
(1)  
COUT  
REG104-A  
COUT  
0.1µF  
NR  
Gnd  
Gnd  
NR = Noise Reduction  
NOTE: (1) Optional.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
Copyright © 2001-2005, Texas Instruments Incorporated  
www.ti.com  
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