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ADP7182ACPZ-R7
+Lista de MateriaisIC REG LIN NEG ADJ 200MA 8LFCSP
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #ADP7182ACPZ-R7
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Ficha Técnica ADP7182ACPZ-R7 DataSheet
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Pacote WFDFN-8
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Output Configuration | Negative |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | -28V |
| Voltage - Output (Min/Fixed) | -1.22V |
| Voltage - Output (Max) | -27.64V |
| Voltage Dropout (Max) | 0.36V @ 200mA |
| Current - Output | 200mA |
| Current - Quiescent (Iq) | 53 µA |
| Current - Supply (Max) | 850 µA |
| PSRR | 66dB ~ 45dB (10kHz ~ 1MHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features of the ADP7182 include a low dropout voltage of 185 mV at 200 mA, which enhances efficiency, and an ultra-low output noise of 18 μV rms, making it ideal for sensitive applications. The device offers a high power supply rejection ratio (PSRR), improving performance in noisy environments. Additionally, it has an input voltage range of -2.7 V to -28 V, providing versatility for various circuit designs.
The ADP7182ACPZ-R7 comes in a compact 6-lead LFCSP package, allowing for efficient use of board space. It is well-suited for applications in instrumentation, telecommunications, and medical devices where reliable negative voltage regulation is essential.
Equivalent
Features
1. Input Voltage Range: It supports an input voltage range from −2.0 V to −5.5 V, making it suitable for negative voltage regulation.
2. Output Voltage: The device offers a fixed output voltage option of −1.2 V to −4.5 V.
3. Low Noise: It provides low output noise of 18 µV rms, enhancing performance in sensitive applications.
4. High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 56 dB at 10 kHz, maintaining output stability despite input voltage variations.
5. Output Current: It can deliver a maximum output current of 200 mA.
6. Dropout Voltage: The ADP7182 has a low dropout voltage of 280 mV at a 200 mA load.
7. Package: It comes in a compact 8-lead LFCSP package, which is suitable for space-constrained applications.
8. Protection Features: Built-in features like current limit and thermal overload protection ensure reliability and safety.
The ADP7182ACPZ-R7 is ideal for applications requiring efficient negative voltage regulation with minimal noise and high PSRR.
Pinout
The primary functions of the ADP7182 include:
1. Voltage Regulation: It provides a stable, regulated negative output voltage with low noise and high power supply rejection.
2. Low Dropout: Designed to work with low input-to-output differential voltages, improving efficiency.
3. Thermal Protection: Features to prevent overheating and damage.
4. Current Limiting: Provides protection against over-current conditions.
This LDO is typically used in applications requiring negative voltage rails and is suitable for powering noise-sensitive components in communication, instrumentation, and other electronic systems.