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LT3045EDD#PBF
Ultralow Noise LDO Voltage Regulators with Ultrahigh PSRRLT3045EDD#PBF
Ultralow Noise LDO Voltage Regulators with Ultrahigh PSRR
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製造商零件號 # : LT3045EDD#PBF
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包裝/封裝: DFN-10
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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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LT3045EDD#PBF 數據表
價格 (USD)
| 數量 | 單價 | 總價 |
|---|---|---|
| 1 | $5.657 | $5.66 |
| 10 | $5.118 | $51.18 |
| 30 | $4.329 | $129.87 |
| 121 | $3.995 | $483.40 |
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
The LT3045EDD#PBF, manufactured by Linear Technology, is a top-tier linear regulator that outshines the competition with its remarkable performance. With an impressive input voltage range of 1.8V to 45V, this regulator is truly versatile, catering to a wide array of applications. Thanks to its low dropout voltage of only 340mV at 500mA load current, the LT3045EDD#PBF guarantees efficient power delivery, even in scenarios where the input voltage closely matches the output voltage
主要特徵
- The regulator features ultra-low noise performance
- A dropout voltage of only 340mV at 500mA ensures low power consumption
- Wide input range from 1.8V to 45V with a quiescent current of 1.5mA
應用
- For high-end audio
- Precision is key
- Control with power
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 | DFN-10 |
| Output Voltage | 0 V to 15 V | Output Current ! | 500 mA |
| Number of Outputs | 1 Output | Polarity | Positive |
| Quiescent Current ! | 2.2 mA | Input Voltage, Min | 1.8 V |
| Input Voltage, Max | 20 V | PSRR / Ripple Rejection - Typ | 76 dB |
| Output Type | Adjustable | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature ! | + 125 C | Dropout Voltage ! | 260 mV |
| Series | LT3045 | Brand | Analog Devices |
| Development Kit | DC2491A | Dropout Voltage - Max | 350 mV |
| Line Regulation ! | 0.5 uV/V | Load Regulation ! | 0.1 mV |
| Operating Supply Current | 2.4 mA | Output Voltage Range ! | 0 V to 15 V |
| Product | Linear Regulators | Product Type ! | LDO Voltage Regulators |
| Factory Pack Quantity | 121 | Subcategory | PMIC - Power Management ICs |
| Type | Ultra Low Noise Linear Regulator | Voltage Regulation Accuracy | 1 % |
| Unit Weight | 0.004550 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 LT3045EDD#PBF?
The LT3045EDD#PBF is a low dropout (LDO) linear voltage regulator manufactured by Analog Devices. It is designed to provide a stable and low-noise output voltage, making it suitable for powering sensitive analog circuits, precision measurement instruments, and high-performance audio applications.
How Does LT3045EDD#PBF Work?
The LT3045EDD#PBF operates by regulating the input voltage to a precise and stable output voltage while minimizing output noise. It employs a low dropout architecture to ensure reliable regulation even when the input voltage is close to the desired output voltage. The regulator's internal circuitry is designed to maintain high ripple rejection and low output noise, providing clean power for critical applications.
How Many Pins does LT3045EDD#PBF have and What are the Functions of the Pinout Configuration?
The LT3045EDD#PBF is housed in a 8-lead DFN (Dual Flat No-Lead) package. The pinout configuration includes:
- VIN: Input voltage pin.
- VOUT: Regulated output voltage pin.
- GND: Ground pin.
- FLT: Fault indicator output pin.
- SHDN: Shutdown control pin.
- SENSE: Sensing pin for remote voltage sensing.
- TRIM: Pin for external adjustment of the output voltage.
- ADJ: Pin to connect an external capacitor for adjusting the transient response.
What are the Pros and Cons of LT3045EDD#PBF?
Pros:
- Low Dropout Voltage: Maintains regulation even with a small difference between input and output voltages.
- Low Output Noise: Provides clean and stable power for noise-sensitive applications.
- High Ripple Rejection: Filters out input voltage ripple for improved output signal integrity.
- Compact Package: The DFN package offers space-efficient integration into compact designs.
- Remote Voltage Sensing: Supports remote sensing for precise voltage regulation at load terminals.
Cons:
- Cost: Higher cost compared to standard linear voltage regulators due to its precision and performance.
- External Components: May require additional external components for optimal noise performance and transient response.
- Thermal Consideration: Requires careful thermal management due to its low dropout architecture and high accuracy.
Are There Any Equivalents/Alternatives to LT3045EDD#PBF for Recommendation?
- The LT1763 from Analog Devices is a similar low dropout linear regulator with different package options.
- Alternatives to the LT3045EDD#PBF include the TPS7A47 from Texas Instruments and the MAX16052 from Maxim Integrated.
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