NJM2884U1-33
Positive voltage output
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NJM2884U1-33 數據表
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詳細說明
■ GENERAL DESCRIPTIONNJM2884 is a low dropout voltage regulator with ON/OFF control. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current.■ FEATURES● High Ripple Rejection 75dB typ. (f=1kHz, Vo=3V Version)● Low Output Noise Voltage Vno=45µVrms typ.● Output capacitor with 2.2µF ceramic capacitor (Vo≥2.7V)● Output Current Io(max.)=500mA● High Precision Output Vo±1.0%● Low Dropout Voltage 0.18V typ. (Io=100mA)● ON/OFF Control● Internal Thermal Overload Protection● Internal Short Circuit Current Limit● Bipolar Technology● Package Outline SOT-89-5
主要特徵
- High Ripple Rejection 75dB typ. (f=1kHz, Vo=3V Version)
- Low Output Noise Voltage Vno=45µVrms typ.
- Output capacitor with 2.2µF ceramic capacitor (Vo≥2.7V)
- Output Current Io(max.)=500mA
- High Precision Output Vo±1.0%
- Low Dropout Voltage 0.18V typ. (Io=300mA)
- ON/OFF Control Function
- Internal Thermal Overload Protection
- Internal Short Circuit Current Limit
- Bipolar Technology
- Package Outline SOT-89-5(NJM2884U1/U2)/ TO-252-5(NJM2884ADL3)/ ESON6-H1(NJM2884AKH1)
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Pbfree Code | Yes | Rohs Code | Yes |
Part Life Cycle Code | Transferred | Part Package Code | SOT-89 |
Pin Count ! | 5 | Reach Compliance Code | compliant |
ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
Dropout Voltage1-Max | 0.28 V | Input Voltage-Max | 9 V |
Input Voltage-Min | 4.3 V | JESD-30 Code | R-PDSO-F5 |
JESD-609 Code | e6 | Length | 4.5 mm |
Number of Functions | 1 | Number of Terminals | 5 |
Output Current1-Max | 0.3 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 | SOF |
Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE |
Peak Reflow Temperature (Cel) | 260 | Qualification Status ! | Not Qualified |
Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | Seated Height-Max | 1.8 mm |
Surface Mount ! | YES | Technology | BIPOLAR |
Terminal Finish | TIN BISMUTH | Terminal Form ! | FLAT |
Terminal Pitch ! | 1.5 mm | Terminal Position | DUAL |
Voltage Tolerance-Max | 1% | Width | 2.5 mm |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is NJM2884U1-33?
The NJM2884U1-33 is a low dropout voltage regulator (LDO) integrated circuit designed by New Japan Radio Co., Ltd. It is specifically designed for providing stable and regulated output voltage with a low dropout voltage, making it suitable for applications requiring a reliable power supply.
How Does NJM2884U1-33 Work?
The NJM2884U1-33 operates by regulating the input voltage to provide a constant output voltage while maintaining a low dropout voltage. The regulator ensures stable operation even when the input voltage is close to the output voltage, making it ideal for applications where a stable power supply is critical.
How Many Pins does NJM2884U1-33 have and What are the Functions of the Pinout Configuration?
The NJM2884U1-33 is housed in a 5-pin SOT-89 package. The pinout configuration includes:
- VOUT: Regulated output voltage pin.
- VIN: Input voltage pin.
- GND: Ground pin.
- ADJ: Adjustable pin for fine-tuning the output voltage.
- NC: No connection pin.
What are the Pros and Cons of NJM2884U1-33?
Pros:
- Low Dropout Voltage: Ensures stable output voltage even with small voltage differentials.
- Compact Package: The SOT-89 package is space-efficient and suitable for compact designs.
- Fixed or Adjustable Output: Offers the option for a fixed or adjustable output voltage, adding flexibility to the design.
- Low Quiescent Current: Operates with low quiescent current, suitable for battery-powered devices.
- Overcurrent Protection: Includes overcurrent protection for added reliability.
Cons:
- Higher Heat Dissipation: May require proper heat sinking for high power applications.
- Limited Current Output: Output current capability may be limited compared to higher-power regulators.
- No Thermal Shutdown: Lacks thermal shutdown feature which may be important in some applications.
Are There Any Equivalents/Alternatives to NJM2884U1-33 for Recommendation?
- The LM1117 from Texas Instruments is a comparable low dropout regulator that can be considered as an alternative.
- Alternatives to the NJM2884U1-33 include the L4931 from STMicroelectronics and the MIC2920A from Microchip Technology.
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