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LT1129IQ#PBF
Regulates voltage between 3.64V and 3.86V
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製造商零件號 # : LT1129IQ#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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LT1129IQ#PBF 數據表
價格 (USD)
| 數量 | 單價 | 總價 |
|---|---|---|
| 1 | $4.595 | $4.60 |
| 30 | $4.456 | $133.68 |
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
Designed for efficiency and longevity, the LT1129IQ#PBF boasts a low quiescent current of 5mA, helping to conserve power and prolong battery life. This makes it an excellent choice for battery-powered devices and portable electronics where energy efficiency is key. Additionally, the built-in thermal shutdown and current limit protection features provide peace of mind, ensuring the safety and reliability of the regulator under all operating conditions
主要特徵
- It has a maximum input of 15V with a fixed output voltage
- Its quiescent current is very low
- It also provides over-temperature protection
應用
- Stable voltage output
- Compact and easy to use
- Great for battery-powered systems
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 |
| REACH | Details | Mounting Style | SMD/SMT |
| Package / Case | DDPAK-5 | Output Voltage | 3.8 V to 30 V |
| Output Current ! | 700 mA | Number of Outputs | 1 Output |
| Polarity | Positive | Quiescent Current ! | 50 uA |
| Input Voltage, Min | 4.15 V | Input Voltage, Max | 30 V |
| PSRR / Ripple Rejection - Typ | 64 dB | Output Type | Adjustable |
| Minimum Operating Temperature | - 40 C | Maximum Operating Temperature ! | + 125 C |
| Dropout Voltage ! | 130 mV | Series | LT1129 |
| Brand | Analog Devices | Dropout Voltage - Max | 700 mV |
| Height | 4.57 mm | Ib - Input Bias Current | 300 nA |
| Line Regulation ! | 1.5 mV | Load Regulation ! | 15 mV |
| Operating Supply Current | 50 uA | Product | Linear Regulators |
| Product Type ! | LDO Voltage Regulators | Factory Pack Quantity | 50 |
| Subcategory | PMIC - Power Management ICs | Type | Micropower Low Dropout Regulator |
| Unit Weight | 0.048008 oz |
Specification Comparison
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 LT1129IQ#PBF?
The LT1129IQ#PBF is a low dropout voltage regulator designed by Analog Devices. It is capable of supplying 800mA output current with a dropout voltage of 400mV. The device is ideal for applications requiring a stable and low noise power supply, such as battery-powered systems, industrial sensors, and portable instruments.
How Does LT1129IQ#PBF Work?
The LT1129IQ#PBF works by regulating an input voltage to a stable output voltage, even when the input voltage is slightly lower than the desired output voltage. This low dropout capability allows the device to maintain a stable output even with small differences between the input and output voltages. The device also features low quiescent current, making it suitable for low power applications.
How Many Pins does LT1129IQ#PBF have and What are the Functions of the Pinout Configuration?
The LT1129IQ#PBF is housed in a 5-lead DDPAK (Power Dissipation Package) package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- VOUT: Regulated output voltage pin.
- ADJ: Adjustment pin for fine-tuning the output voltage.
- NC: No-connect pin.
What are the Pros and Cons of LT1129IQ#PBF?
Pros:
- Low Dropout Voltage: Capable of regulating a stable output voltage even with a small input-output voltage differential.
- High Output Current: Provides up to 800mA output current for various load requirements.
- Low Quiescent Current: Operates with low current consumption, suitable for battery-powered devices.
- Thermal Shutdown Protection: Includes thermal shutdown protection to prevent damage under over-temperature conditions.
- Small Package: The 5-lead DDPAK package offers a space-saving solution for compact designs.
Cons:
- Heat Dissipation: May require consideration of heat dissipation, especially at higher input-output differentials.
- External Capacitors: External capacitors may be required for stability and filtering purposes, adding to system complexity.
Are There Any Equivalents/Alternatives to LT1129IQ#PBF for Recommendation?
- The LM2937 from Texas Instruments is a low dropout voltage regulator with similar specifications.
- Alternatives to the LT1129IQ#PBF include the NCP1117 from ON Semiconductor and the MIC29302 from Microchip Technology.
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