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| 型号： | LP3875ES-ADJ/NOPB |
| 厂商： | National Semiconductor |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 1.5A TO263-5 |
| 标准包装： | 45 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 可调 |
| 输入电压： | 2.5 V ~ 7 V |
| 电压 - 压降（标准）： | 0.38V @ 1.5A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.5A（最小值） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-6，D²Pak（5 引线+接片），TO-263BA |
| 供应商设备封装： | TO-263-5 |
| 包装： | 管件 |
| 产品目录页面： | 1292 (CN2011-ZH PDF) |
| 其它名称： | *LP3875ES-ADJ *LP3875ES-ADJ/NOPB LP3875ES-ADJ |
SNVS247D – SEPTEMBER 2003 – REVISED APRIL 2013
LP3875-ADJ 1.5A Fast Ultra Low Dropout Linear Regulators
Check for Samples: LP3875-ADJ
1
FEATURES
DESCRIPTION
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Ultra Low Dropout Voltage
Low Ground Pin Current
Load Regulation of 0.06%
10nA Quiescent Current in Shutdown Mode
Specified Output Current of 1.5A DC
Available in DDPAK/TO-263, TO-220 and SOT-
223 Packages
Minimum Output Capacitor Requirements
Overtemperature/Overcurrent Protection
? 40°C to +125°C Junction Temperature Range
The LP3875-ADJ fast ultra low-dropout linear
regulators operate from a +2.5V to +7.0V input
supply. These ultra low dropout linear regulators
respond very quickly to step changes in load, which
makes them suitable for low voltage microprocessor
applications. The LP3875-ADJ is developed on a
CMOS process which allows low quiescent current
operation independent of output load current. This
CMOS process also allows the LP3875-ADJ to
operate under extremely low dropout conditions.
Dropout Voltage: Ultra low dropout voltage; typically
38mV at 150mA load current and 380mV at 1.5A load
current.
APPLICATIONS
Ground Pin Current: Typically 6mA at 1.5A load
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Microprocessor Power Supplies
GTL, GTL+, BTL, and SSTL Bus Terminators
Power Supplies for DSPs
SCSI Terminator
Post Regulators
High Efficiency Linear Regulators
Battery Chargers
Other Battery Powered Applications
current.
Shutdown Mode: Typically 10nA quiescent current
when the shutdown pin is pulled low.
Adjustable Output Voltage: The output voltage may
be programmed via two external resistors.
TYPICAL APPLICATION CIRCUIT
INPUT
V IN
LP3875-ADJ
V OUT
R1*
C FF *
OUTPUT
1.5A
SD
*
SD
GND
ADJ
C OUT
10 P F
C IN
10 P F
R2*
Tantalum
V OUT = 1.216 x (1+
R1
R2
)
*See Application Hints
1
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.
2
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 the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright ? 2003–2013, Texas Instruments Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LP3875ESX-1.8 | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| LP3875ESX-1.8/NOPB | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| LP3875ESX-2.5 | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| LP3875ESX-2.5/NOPB | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| LP3875ESX-3.3 | 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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