
For Reference Only
Part Number | LM3940ISX-3.3/NOPB |
OEMstron Part # | LM3940ISX-3-3-NOPB |
Manufacturer | Texas Instruments |
Category | Semiconductors › Power Management ICs › Voltage Regulators - Linear |
Description | IC REG LIN 3.3V 1A DDPAK/TO263-3 |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | LM3940ISX-3.3/NOPB PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Feb 25 - Mar 2 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
LM3940ISX-3.3/NOPB Specifications
Part Number | LM3940ISX-3.3/NOPB | |
Brand | Texas Instruments | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Power Management ICs | |
Subcategory | Voltage Regulators - Linear | |
Manufacturer | ||
Series | - | |
Output Configuration | Positive | |
Output Type | Fixed | |
Number of Regulators | 1 | |
Voltage - Input (Max) | 7.5V | |
Voltage - Output (Min/Fixed) | 3.3V | |
Voltage - Output (Max) | - | |
Voltage Dropout (Max) | 0.2V @ 100mA | |
Current - Output | 1A | |
Current - Quiescent (Iq) | - | |
Current - Supply (Max) | - | |
PSRR | - | |
Control Features | - | |
Protection Features | Over Temperature, Short Circuit | |
Operating Temperature | -40°C ~ 125°C | |
Mounting Type | Surface Mount | |
Package / Case | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | |
Supplier Device Package | DDPAK/TO-263-3 |
LM3940ISX-3.3/NOPB Documents

Industry Leaders in Quality
Cooperation comes from trust,
And trust is based on quality.
Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
LM3940ISX-3.3/NOPB D# V72:2272_07275604 Texas Instruments |
LDO Regulator Pos 3.3V 1A 4-Pin(3+Tab) DDPAK T/R |
Americas - 596 |
LM3940IS-3.3/NOPB D# V99:2348_07275602 Texas Instruments |
LDO Regulator Pos 3.3V 1A 4-Pin(3+Tab) DDPAK Tube |
Americas - 203 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB D# LM3940IS-3.3/NOPB Texas Instruments |
LDO Regulator Pos 3.3V 1A 4-Pin(3+Tab) TO-263 Rail - Rail/Tube (Alt: LM3940IS-3.3/NOPB) RoHS: Compliant
|
Americas - 98 |
Part Number | Description | Stock |
LM3940ISX-3.3/NOPB National Semiconductor Corporation |
562 | |
LM3940IS-3.3/NOPB National Semiconductor Corporation |
246 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB Texas Instruments |
IC, V REG, LINEAR, 3.3V |
3732 |
LM3940ISX-3.3/NOPB Texas Instruments |
LDO VOLT REG, 1A, 3.3V, TO-263-3 |
2500 |
Part Number | Description | Stock |
LM3940ISX-3.3/NOPB Texas Instruments |
Fixed 7.5V 3.3V 1V @ 1A TO-263-3 Dropout Regulators(LDO) RoHS |
88 |
Part Number | Description | Stock |
LM3940ISX-3.3/NOPB National Semiconductor Corporation |
RoHS (ship within 1day) - D/C 2005+ |
1925 |
LM3940IS-3.3/NOPB National Semiconductor Corporation |
RoHS (ship within 1day) - D/C 2010 |
103 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB D# LM3940IS-3.3/NOPB-ND Texas Instruments |
IC REG LIN 3.3V 1A DDPAK/TO263-3 |
1601 In Stock |
LM3940ISX-3.3/NOPB D# LM3940ISX-3.3/NOPBTR-ND Texas Instruments |
IC REG LIN 3.3V 1A DDPAK/TO263-3 |
2326 In Stock |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB D# LM3940IS-3.3/NOPB National Semiconductor Corporation |
Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct |
2276 |
LM3940ISX-3.3NOPB D# LM3940ISX-3.3NOPB National Semiconductor Corporation |
Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct |
4152 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB National Semiconductor Corporation |
In stock shipping within 2days |
150 |
LM3940ISX-3.3/NOPB TINS |
In stock shipping within 2days |
1507 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB D# 3122101 Texas Instruments |
IC, V REG, LINEAR, 3.3V RoHS: Compliant
Min Qty: 1
Container: Each
|
233 |
LM3940ISX-3.3/NOPB D# 3007562 Texas Instruments |
LDO, FIXED, 3.3V, 1A, TO-263-3 RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
129 |
Part Number | Description | Stock |
LM3940ISX-3.3/NOPB National Semiconductor Corporation |
NEW AND ORGINAL. ISRAEL W.HOUSE |
955 |
Part Number | Description | Stock |
LM3940ISX33NOPB National Semiconductor Corporation |
OEM/CM QUOTES ONLY | NO BROKERS |
2233 |
Part Number | Description | Stock |
LM3940ISX33NOPB Texas Instruments |
OEM/CM ONLY |
278 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB Texas Instruments |
In stock |
11 |
LM3940ISX-3.3/NOPB National Semiconductor Corporation |
In stock |
562 |
Part Number | Description | Stock |
LM3940ISX-3.3/NOPB D# 926-LM3940ISX3.3NOPB Texas Instruments |
LDO Voltage Regulators 1A LDO REG RoHS: Compliant
|
41 |
LM3940IS-3.3/NOPB D# 926-LM3940IS-3.3NOPB Texas Instruments |
LDO Voltage Regulators 1A LDO REG RoHS: Compliant
|
603 |
Part Number | Description | Stock |
LM3940ISX-3.3/NOPB D# 29AH6337 Texas Instruments |
LDO, FIXED, 3.3V, 1A, TO-263-3, Output Type:Fixed, Input Voltage Min:4.5V, Input Voltage Max:5.5V, Fixed Output Voltage Nom.:3.3V, Adjustable Output Voltage Min:-, Adjustable Output Voltage Max:-, Output Current:1A, Dropout Voltage RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
129 |
LM3940IS-3.3/NOPB D# 41K5124 Texas Instruments |
LDO VOLTAGE REGULATOR, 3.3V, 1A, TO-263, Output Type:Fixed, Input Voltage Min:0V, Input Voltage Max:7.5V, Fixed Output Voltage Nom.:3.3V, Adjustable Output Voltage Min:-, Adjustable Output Voltage Max:-, Output Current:1A RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
57 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB D# NS-LM3940IS-3.3/NOPB Texas Instruments |
OEM/CM ONLY |
2348 |
LM3940ISX-3.3/NOPB D# NS-LM3940ISX-3.3/NOPB Texas Instruments |
OEM/CM ONLY |
6021 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB National Semiconductor Corporation |
3.3 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PSSO3 |
17 |
LM3940ISX-3.3/NOPB National Semiconductor Corporation |
3.3V FIXED POSITIVE LDO REGULATOR, 1V DROPOUT, PSSO3 |
443 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB D# 1977283 Texas Instruments |
Texas Instruments LM3940IS-3.3/NOPB, LDO Voltage Regulator, 1A Adjustable, 3.3 V, 2.5% 3-Pin, D2PAK, TU Min Qty: 45
Container: Tube
|
145 |
Part Number | Description | Stock |
LM3940ISX-3.3/NOPB National Semiconductor Corporation |
LM3940 1A Low Dropout Regulator for 5V to 3.3V Conversion RoHS: Compliant
|
18945 |
LM3940IS-3.3/NOPB National Semiconductor Corporation |
LM3940 1A Low Dropout Regulator for 5V to 3.3V Conversion RoHS: Compliant
|
4034 |
Part Number | Description | Stock |
LM3940ISX3.3/NOPB National Semiconductor Corporation |
OEM/CM ONLY |
5155 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB Texas Instruments |
1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion |
10,451 |
LM3940ISX-3.3/NOPB Texas Instruments |
1-A, low-dropout voltage regulator for 5-V to 3.3-V conversion |
56,388 |
Part Number | Description | Stock |
LM3940ISX-3.3/NOPB Texas Instruments |
shipping today |
6 |
LM3940ISX-3.3NOPB N |
shipping today |
2032 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB D# 53705262 Texas Instruments |
LDO Regulator Pos 3.3V 1A 4-Pin(3+Tab) DDPAK Tube |
Americas - 203 |
LM3940ISX-3.3/NOPB D# 52710759 Texas Instruments |
LDO Regulator Pos 3.3V 1A 4-Pin(3+Tab) DDPAK T/R |
Americas - 596 |
Part Number | Description | Stock |
LM3940ISX-3.3NOPB N/A |
RFQ |
14249 |
LM3940IS-3.3/NOPB Texas Instruments |
RFQ |
2151 |
Part Number | Description | Stock |
LM3940ISX-3.3/NOPB Texas Instruments |
IC REG LDO 3.3V 1A DDPAK |
3358 |
Part Number | Description | Stock |
LM3940IS-3.3/NOPB D# 3122101 Texas Instruments |
IC, V REG, LINEAR, 3.3V RoHS: Compliant
Min Qty: 1
Container: Each
|
543 |
LM3940ISX-3.3/NOPB D# 3007562 Texas Instruments |
LDO, FIXED, 3.3V, 1A, TO-263-3 RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
129 |
The Products You May Be Interested In
![]() |
XC6221B12AMR-G | 200MA HIGH SPEED LDO REGULATOR | 499 More on Order |
![]() |
XC6702DF11ER-G | 36V INPUT, 300MA LOW SUPPLY CURR | 238 More on Order |
![]() |
MIC2214-KNYML-TR | IC REG LINEAR 2.6V/2.85V 10MLF | 412 More on Order |
![]() |
XC6701AG02MR-G | 28V HIGH SPEED VOLTAGE REGULATOR | 443 More on Order |
![]() |
XC6505B751PR-G | LOW QUIESCENT CURRENT 200MA HIGH | 145 More on Order |
![]() |
NJM2396F08 | IC REG LDO 8V 1.5A TO220F-4 | 179 More on Order |
![]() |
XC6701AH82PR-G | 28V HIGH SPEED VOLTAGE REGULATOR | 222 More on Order |
![]() |
XC6221C34AMR-G | 200MA HIGH SPEED LDO REGULATOR | 395 More on Order |
![]() |
S-1315B41-M5T1U3 | IC REG LINEAR 4.1V 200MA SOT23-5 | 435 More on Order |
![]() |
L4931ABD33-TR | IC REG LINEAR 3.3V 250MA 8SO | 8640 More on Order |
![]() |
S-1335F34-A4T2U3 | IC REG LINEAR 3.4V 150MA HSNT4-B | 448 More on Order |
![]() |
XC6221D47AGR-G | 200MA HIGH SPEED LDO REGULATOR | 107 More on Order |
Quick Inquiry
In Stock | 9,731 - More on Order |
---|---|
Quote Limit | No Limit |
Lead-Time | To be Confirmed |
Minimum | 1 |
Add to Shopping Cart
Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 2.6047 | $ 2.6047 |
100 | $ 2.6047 | $ 260.4700 |
500 | $ 2.6047 | $ 1,302.3500 |
1000 | $ 2.6047 | $ 2,604.7000 |
2500 | $ 2.6047 | $ 6,511.7500 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
Contact Us
- CALL US
86-755-83232896
- SKYPE
- Message
Please feel free to contact us for details.