LMS8117AMP-3.3/NOPBIn StockTexas Instruments

LMS8117AMP-3.3/NOPB is a 800mA LDO regulator with fixed 3.3V output in SOT-223 package, rated -40°C to +125°C. From $0.54 in qty. In stock, 1pc MOQ, ships worldwide.

ACTIVEpower-managementVerified Apr 2026
Package / Visual Reference
LMS8117AMP-3.3/NOPBSOT-223
Quick Facts
Manufacturer
Texas Instruments
Package
SOT-223
Pin Count
4
Lifecycle
ACTIVE
Category
power-management
Price
From $0.5299(MOQ 1)
Temp Range
-40.0°C to 125.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Key Features

  • Fixed 3.3V output voltage with ±1% accuracy
  • 800mA continuous output current
  • Low dropout voltage: 1.15V typical at full load
  • Wide operating temperature: -40°C to +125°C
  • SOT-223-4 surface-mount package, compact footprint
  • RoHS compliant, lead-free (NOPB)
  • Built-in current limit and thermal shutdown protection

Applications

Widely used in embedded systems, IoT modules, and portable electronics to provide a stable 3.3V rail from 4.5V to 15V sources. Ideal for powering MCUs, FPGAs, and RF modules in industrial and consumer designs.

Specifications

Pbfree CodeYes
YTEOL15
AdjustabilityFIXED
Dropout Voltage1-Max1.25V
Dropout Voltage1-Nom1.2V
Input Voltage Absolute-Max20V
Input Voltage-Max15V
Input Voltage-Min4.75V
JESD-30 CodeR-PDSO-G4
JESD-609 Codee3
Line Regulation-Max0.006%
Load Regulation-Max0.01%
Number of Functions1
Number of Outputs1
Operating Temperature TJ-Max125°C
Output Current1-Max1A
Output Voltage1-Max3.365V
Output Voltage1-Min3.235V
Output Voltage1-Nom3.3V
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeSOT-223
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Packing MethodTR
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
Regulator TypeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Surface MountYES
TechnologyBIPOLAR
Terminal FinishMatte Tin (Sn)
Terminal FormGULL WING
Terminal Pitch2.3mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
Voltage Tolerance-Max2%
PackageSOT-223

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.60

Datasheet

LMS8117AMP-3.3/NOPB Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for LMS8117AMP-3.3/NOPB:

LM1117IMPX-3.3/NOPBTexas Instruments

Pin-compatible LDO predecessor, 800mA 3.3V output, SOT-223, widely available

View Part →
LMS8117AMP-3.3Texas Instruments Fixed Positive LDO

Regulator, 3.3V, 1.25V Dropout, BIPolar, PDSO4

View Part →

Frequently Asked Questions

LMS8117AMP-3.3/NOPB 的输出电压和最大输出电流是多少?

该器件固定输出 3.3V,最大持续输出电流为 800mA,压差典型值 1.15V(满载),适合为 MCU、FPGA 和无线模块供电。

LMS8117AMP-3.3/NOPB 与 LM1117-3.3 有何区别,可以替换吗?

LMS8117AMP-3.3/NOPB 是 LM1117-3.3 的增强版本,输入电压范围更宽(最高 15V),工作温度上限达 125°C,封装尺寸兼容 SOT-223,可直接 pin-to-pin 替换。

SOT-223 封装散热如何处理,PCB 布局有什么注意事项?

建议在 SOT-223 散热焊盘下方铺铜并打散热过孔,将热阻降至约 40°C/W。器件内置过温保护,结温超过 165°C 自动关断,冷却后自动恢复。输入输出端各加 10µF 旁路电容可提升稳定性。

该型号是否符合 RoHS 和无铅要求?

是的,后缀 /NOPB 表示无铅(No Lead/Pb-Free),完全符合 RoHS 2011/65/EU 指令,适用于欧盟及全球环保合规项目。

最小起订量(MOQ)和交货周期是多少?

现货库存支持 1 件起购,阶梯价格从 $2.10(1件)到 $0.54(5000件+)。标准交货周期为 3–7 个工作日,大批量订单请联系询价获取最新库存和排期。

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
From $0.5299
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$2.1000$2.10
3+$1.6800$5.04
16+$1.4250$22.80
5000+$0.5407$2703.65
7000+$0.5352$3746.40
10000+$0.5299$5298.80
pcs
Unit price: $2.1000 · Total: $2.10

In Stock · 24h Response · Worldwide Shipping

Direct Contact
Email RFQ
Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.

RP
Rajesh Patel
Procurement Manager, VoltEdge Energy, India