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LT3032IDE#PBF
+BOMIC REG LINEAR POS/NEG ADJ 14DFN
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #LT3032IDE#PBF
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Bảng dữ liệu LT3032IDE#PBF DataSheet
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Gói QFN-14
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tube |
| Part Status | Active |
| Output Configuration | Positive and Negative |
| Output Type | Adjustable |
| Number of Regulators | 2 |
| Voltage - Input (Max) | ±20V |
| Voltage - Output (Min/Fixed) | ±1.22V |
| Voltage - Output (Max) | ±20V |
| Voltage Dropout (Max) | 0.27V @ 150mA (Typ), 0.3V @ 150mA (Typ) |
| Current - Output | 150mA, 150mA |
| PSRR | 68dB (120Hz), 54dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Tổng quan
Description
One of the key features of the LT3032 is its low dropout voltage, which is essential for maintaining regulation with minimal input-to-output voltage differential. It also boasts low output noise and high power supply rejection ratio (PSRR), making it ideal for noise-sensitive applications.
The "IDE" in the part number indicates the industrial temperature range, while "#PBF" suggests that the product is lead-free (RoHS compliant). This regulator is typically used in precision instruments, audio equipment, and communication systems, where stable and clean voltage rails are critical. The device is packaged in a compact 16-lead, 3mm x 5mm DFN package, which saves board space.
Equivalent
1. Texas Instruments TPS7A88: A dual LDO with similar voltage and current specifications.
2. ON Semiconductor NCP691: Offers dual output but may vary in specific features.
3. Maxim Integrated MAX15050/MAX15051: While not identical, they are similar dual-output LDOs.
Always check the datasheet for detailed specifications to ensure compatibility with your application.
Features
1. Dual Output: Can deliver up to 150 mA of output current per channel, one positive and one negative voltage output.
2. Low Dropout Voltage: Typically around 300 mV at full load, which enhances efficiency.
3. Low Noise: Offers low output noise (20 µVRMS over 10 Hz to 100 kHz) and high Power Supply Rejection Ratio (PSRR), making it suitable for noise-sensitive applications.
4. Wide Input Voltage Range: Operates from 1.7V to 20V for the positive output and -1.7V to -20V for the negative output.
5. Adjustable Output Voltage: Both outputs can be adjusted through external resistor dividers.
6. Protection Features: Includes current limiting and thermal shutdown for reliability.
7. Package: Available in a thermally enhanced 16-lead, 4mm × 4mm DFN package or a 16-lead, thermally enhanced TSSOP package.
These features make the LT3032IDE#PBF suitable for applications requiring dual power rails with low noise and high precision.
Pinout
Key features include a low dropout voltage of 300mV at full load, output current capability of 150mA for both positive and negative outputs, and a wide input voltage range. The positive output voltage can be adjusted from 1.22V to 20V, while the negative output can be set from -1.22V to -20V.
The LT3032 is designed for high performance in terms of low noise, high PSRR (Power Supply Rejection Ratio), and excellent line and load regulation. These characteristics make it suitable for applications requiring dual polarity power supplies, such as op-amp and data converter circuits.
For precise pin functions or more detailed specifications, consulting the datasheet would be necessary.
Manufacturer
Application
1. Communication Systems: Used in RF and wireless modules for noise-sensitive applications.
2. Industrial and Instrumentation Equipment: Provides clean power for sensors and precision instrumentation.
3. Medical Devices: Offers reliable power with low electromagnetic interference.
4. Automotive Electronics: Ensures stable voltage in infotainment and advanced driver-assistance systems (ADAS).
5. Consumer Electronics: Powers audio and video components requiring low noise.
These applications benefit from its low dropout voltage, high PSRR, and low output noise characteristics.