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LT1764AEQ#PBF
Low Noise LDO Regulator with 3A Output and Fast Transient ResponseLT1764AEQ#PBF
Low Noise LDO Regulator with 3A Output and Fast Transient Response
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製造商零件號 # : LT1764AEQ#PBF
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包裝/封裝: DDPAK-5
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製造商: Analog Devices
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產品分類 : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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LT1764AEQ#PBF 數據表
價格 (USD)
| 數量 | 單價 | 總價 |
|---|---|---|
| 1 | $3.958 | $3.96 |
| 30 | $3.840 | $115.20 |
這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。
詳細說明
One key feature of the LT1764A is its stable quiescent current performance, which remains consistent even at low dropout voltages. This distinguishes it from other regulators that may experience a rise in current as the input voltage approaches the dropout level. Furthermore, the device boasts minimal output voltage noise, making it an excellent choice for applications where clean power is essential, such as sensitive RF circuits
主要特徵
- High accuracy and stability
- Low noise and ripple rejection
- Excellent frequency response
應用
- Low noise, high efficiency
- Wide industrial applications
- Accurate voltage regulation
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。
| Product Category ! | LDO Voltage Regulators | RoHS | Details |
| Mounting Style | SMD/SMT | Package / Case | DDPAK-5 |
| Output Voltage | 1.21 V to 20 V | Output Current ! | 3 A |
| Number of Outputs | 1 Output | Polarity | Positive |
| Quiescent Current ! | 1 mA | Input Voltage, Min | 2.7 V |
| Input Voltage, Max | 20 V | PSRR / Ripple Rejection - Typ | 63 dB |
| Output Type | Adjustable | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature ! | + 125 C | Dropout Voltage ! | 340 mV |
| Series | LT1764A | Brand | Analog Devices |
| Dropout Voltage - Max | 660 mV | Height | 4.57 mm |
| Ib - Input Bias Current | 3 uA | Line Regulation ! | 2 mV |
| Load Regulation ! | 2 mV | Operating Supply Current | 1 mA |
| Product | Linear Regulators | Product Type ! | LDO Voltage Regulators |
| Factory Pack Quantity | 50 | Subcategory | PMIC - Power Management ICs |
| Type | Positive Linear Regulator | Unit Weight | 0.052911 oz |
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 LT1764AEQ#PBF?
The LT1764AEQ#PBF is a low dropout (LDO) linear voltage regulator manufactured by Linear Technology, now part of Analog Devices. It is designed to provide a stable and precise output voltage despite fluctuations in the input voltage, making it suitable for applications requiring reliable voltage regulation.
How Does LT1764AEQ#PBF Work?
The LT1764AEQ#PBF operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain the desired output voltage. It regulates the output voltage by dissipating excess power as heat, ensuring a consistent and stable supply voltage for connected components.
How Many Pins does LT1764AEQ#PBF have and What are the Functions of the Pinout Configuration?
The LT1764AEQ#PBF comes in a 5-lead TO-263 package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground connection pin.
- VOUT: Regulated output voltage pin.
- ADJ: Adjustment pin for fine-tuning the output voltage.
- SHDN: Shutdown pin for enabling/disabling the regulator.
What are the Pros and Cons of LT1764AEQ#PBF?
Pros:
- Low Dropout Voltage: Operates efficiently even with small voltage differentials between input and output.
- Low Noise and Ripple: Provides clean and stable output voltage suitable for noise-sensitive applications.
- High Accuracy: Offers precise voltage regulation for critical circuits.
- Thermal Protection: Includes thermal shutdown and current limit protection features for added reliability.
- Compact Design: The TO-263 package is space-efficient and thermally efficient.
Cons:
- Heat Dissipation: May require heat sinking for high current or high voltage applications.
- Input/Output Capacitors: External capacitors may be needed for stability and transient response.
- Cost: Higher performance and precision come at a potentially higher cost compared to basic linear regulators.
Are There Any Equivalents/Alternatives to LT1764AEQ#PBF for Recommendation?
- The LT1763 series from Linear Technology offers similar LDO regulators with varying features and specifications.
- Alternatives to the LT1764AEQ#PBF include the LM2940 from Texas Instruments and the ADP3338 from Analog Devices.
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