NJM2391DL1-33
Fixed Positive LDO Regulator, 3.3V, 1.2V Dropout, BIPolar, PSSO2, TO-252, 3 PINNJM2391DL1-33
Fixed Positive LDO Regulator, 3.3V, 1.2V Dropout, BIPolar, PSSO2, TO-252, 3 PIN
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
![ship1](/img/ship1.png)
![ship2](/img/ship2.png)
![ship3](/img/ship3.png)
![ship4](/img/ship4.png)
![ship5](/img/ship5.png)
![ship6](/img/ship6.png)
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
![questionContent1](/img/questionContent1.png)
![questionContent2](/img/questionContent2.png)
![questionContent3](/img/questionContent3.png)
![questionContent4](/img/questionContent4.png)
![ctc](/img//questionContentctc.png)
![pelican](/img//questionContentpelican.png)
![express](/img//questionContentexpress.png)
![chunghwa post](/img//questionContentchunghwapost.png)
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
![wire](/img/wire.png)
WireTransfer
![questionContent7](/img/questionContent7.png)
Paypal
![cc](/img/cc.png)
CreditCard
![western](/img/western.png)
WesternUnion
![mg](/img/mg.png)
MoneyGram
Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
![pg](/img/pg.png)
Example
![Tape and Reel](/img/Tape and Reel.png)
Tape and Reel
![Cut Tape](/img/Cut Tape.png)
Cut Tape
![Tube or Tray](/img/Tube or Tray.png)
Tube or Tray
NJM2391DL1-33 DataSheet
![no-price](/img/no-price.jpg)
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
■ GENERAL DESCRIPTIONThe NJM2391 is low dropout voltage regulators featuring high precision voltage.It is suitable for Notebook PCs, PC cards and hard disks where 3.3V need to be generated from 5V supply.A small TO-252 package is adopted for the space saving.■ FEATURES● Output Current Io(max.)=1A● High Precision Output Voltage Vo±1%● Low Dropout Voltage ∆ VI-O =1.1V typ. At Io=1A● Internal Excessive Voltage Protection Circuit● Internal Short Circuit Current Limit● Internal Thermal Overload Protection● Bipolar Technology● Package Outline TO-252
Key Features
- Output Current Io(max.)=1A
- High Precision Output Voltage Vo±1%
- Low Dropout Voltage ∆ VI-O =1.1V typ. At Io=1A
- Internal Excessive Voltage Protection Circuit
- Internal Short Circuit Current Limit
- Internal Thermal Overload Protection
- Bipolar Technology
- Package Outline TO-252
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Pbfree Code | Yes | Rohs Code | Yes |
Part Life Cycle Code | Transferred | Part Package Code | TO-252 |
Pin Count ! | 4 | Reach Compliance Code | compliant |
ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
Adjustability | FIXED | Dropout Voltage1-Max | 1.2 V |
Dropout Voltage1-Nom | 1.1 V | Input Voltage Absolute-Max | 10 V |
Input Voltage-Max | 9.8 V | Input Voltage-Min | 4.8 V |
JESD-30 Code | R-PSSO-G2 | JESD-609 Code | e6 |
Length | 6.5 mm | Line Regulation-Max | 0.066% |
Load Regulation-Max | 0.066% | Number of Functions | 1 |
Number of Outputs | 1 | Number of Terminals | 2 |
Output Current1-Max | 1 A | Output Voltage1-Max | 3.333 V |
Output Voltage1-Min | 3.267 V | Output Voltage1-Nom | 3.3 V |
Package Body Material | PLASTIC/EPOXY | Package Code | TO-252 |
Package Equivalence Code | SMSIP3H,.38,90TB | Package Shape | RECTANGULAR |
Package Style | SMALL OUTLINE | Qualification Status ! | Not Qualified |
Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | Seated Height-Max | 2.75 mm |
Surface Mount ! | YES | Technology | BIPOLAR |
Terminal Finish | TIN BISMUTH | Terminal Form ! | GULL WING |
Terminal Pitch ! | 2.29 mm | Terminal Position | SINGLE |
Voltage Tolerance-Max | 1% | Width | 5.5 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is NJM2391DL1-33?
The NJM2391DL1-33 is a low dropout voltage regulator (LDO) IC manufactured by New Japan Radio. It is designed to provide a stable and regulated output voltage from a higher input voltage, making it suitable for various electronic applications such as power supplies, battery-powered devices, and voltage regulators.
How Does NJM2391DL1-33 Work?
The NJM2391DL1-33 works by regulating the input voltage to maintain a constant output voltage, even when the input voltage fluctuates. It uses a feedback mechanism to adjust the internal circuitry, ensuring that the output voltage remains stable and within a specified range. The LDO regulator provides a low dropout voltage, which allows it to operate with very small voltage differentials between the input and output.
How Many Pins does NJM2391DL1-33 have and What are the Functions of the Pinout Configuration?
The NJM2391DL1-33 is housed in a 5-pin SOT-89 package. The pinout configuration includes:
- Vin: Input voltage pin.
- Vout: Output voltage pin.
- GND: Ground connection pin.
- NC (No Connect): Pin not connected or not used.
- NC (No Connect): Pin not connected or not used.
What are the Pros and Cons of NJM2391DL1-33?
Pros:
- Low Dropout Voltage: Allows for operation with very small voltage differentials, enabling efficient power conversion.
- Stable Output: Provides a stable, regulated output voltage even with input voltage variations.
- Thermal Shutdown Protection: Includes thermal shutdown protection to prevent damage from overheating.
- Compact Package: The SOT-89 package offers a space-efficient and easy-to-use form factor.
Cons:
- Fixed Output Voltage: The output voltage is fixed and cannot be adjusted without external components.
- Limited Current Output: May have a limited maximum current output compared to other regulators.
Are There Any Equivalents/Alternatives to NJM2391DL1-33 for Recommendation?
- The LM2931 from Texas Instruments is an alternative LDO regulator with similar specifications and performance.
- Another equivalent part to the NJM2391DL1-33 is the MCP1702 from Microchip Technology.
Recommend Parts
-
7,589 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
4,327 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
3,983 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
NJM11100F1-TE2
$0.093 ROHS compliant for environmentally friendly use
Brand: Nisshinbo Micro Devices Package/Case: SOT-23-6
3,200 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Stabilize power supply with this high-efficiency boost converter chip
Brand: New Japan Radio Co Ltd Package/Case: SOT-25
5,352 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
NJM2392M is a versatile PWM DC/DC voltage regulator capable of handling input voltages from 3
Brand: Nisshinbo Micro Devices Inc Package/Case: DMP-8
3,124 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
7,487 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
3.3V ±1% 0.65A 5-Pin SOT-89 Regulator
Brand: Nisshinbo Micro Devices Inc Package/Case: SOT89-5
7,075 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
4,051 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Offers stable voltage regulation with minimal noise and rippl
Brand: JRC Package/Case: SOT89
4,833 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
7,484 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
6,726 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
Ultra quiet low-dropout voltage regulator in SOT-23-5 package
Brand: JRC Package/Case: SOT23-5
4,610 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1
-
The NJM2863F05 is a fixed positive Low Dropout (LDO) regulator with a voltage output of 5V and a dropout voltage of 0.18V
Brand: JRC Package/Case: SOT-153
3,297 In Stock
Cargo cycle: 3~7 Days
The minimum order is 1