Imagens apenas para referência
LT3093EDD
+Lista de Materiais-
FabricanteJLCPCB Assembly
-
Peça do Fabricante #LT3093EDD
-
Em Estoque9946
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Manufacturer | JLCPCB Assembly |
| Package | WDFN-12_L3.0-W3.0-P0.45-BL-EP |
Visão Geral
Description
Key specifications:
- Input Voltage Range: 1.8V to 20V
- Output Voltage Range: 0V to 19.5V (adjustable via external resistors)
- Output Current: Up to 500mA
- Dropout Voltage: 240mV (typical at 500mA)
- Thermal Protection & Current Limit: Built-in
The LT3093EDD comes in a DFN-8 (3x3mm) package, offering compact footprint and efficient thermal performance. It supports reverse-battery and reverse-current protection, enhancing reliability.
Applications include precision instrumentation, medical devices, and noise-sensitive audio systems. Its ability to source/sink current and maintain stability with ceramic capacitors simplifies design.
For detailed usage, refer to the datasheet for external component selection and layout guidelines.
Equivalent
- LT3093 (same family, different package)
- LT3090 (lower current, similar features)
- LM337 (basic negative regulator, less precise)
- ADP7182 (negative LDO, higher performance)
- TPS7A3301 (negative LDO, adjustable)
Check datasheets for exact specs and compatibility.
Features
- Wide Input Voltage Range: 1.8V to 40V.
- Adjustable Output Voltage: 0V to 39.5V (via external resistors).
- High Output Current: Up to 500mA.
- Ultra-Low Dropout: 300mV typical at full load.
- Low Noise & High PSRR: 75dB at 1kHz, ideal for sensitive applications.
- Programmable Current Limit: Enhances system protection.
- Thermal Protection & Reverse-Battery Safe: Robust fault tolerance.
- Small 3mm × 3mm DFN Package: Space-efficient design.
Suitable for industrial, automotive, and precision analog systems.
Pinout
Key Functions:
- Adjustable −0.5V to −32V output voltage.
- 500mA output current capability.
- Ultra-low dropout voltage (typ. 300mV at full load).
- Precision 1% voltage reference.
- Programmable current limit & thermal protection.
- Stable with low-ESR ceramic capacitors.
Pin Functions (simplified):
1. IN – Negative input voltage.
2. GND – Ground.
3. SET – Current limit/adjustment.
4. OUT – Negative output voltage.
5. ADJ – Feedback for output voltage setting.
6-10. Exposed Pad – Thermal pad (must be grounded).
Applications: Negative rail power supplies, precision instrumentation, and industrial systems.
Manufacturer
Analog Devices is known for its innovation in precision data conversion, power management, and sensor technologies, serving industries like automotive, healthcare, industrial, and communications. The LT3093EDD is part of their linear regulator product line, designed for low-noise, high-accuracy voltage regulation.
ADI, founded in 1965 and headquartered in Wilmington, Massachusetts, is recognized for its engineering excellence and reliability in analog and power management solutions.
Application
1. Precision Instrumentation – Provides stable, low-noise power for sensitive analog circuits.
2. Medical Devices – Ensures reliable voltage regulation in diagnostic and monitoring equipment.
3. RF & Communication Systems – Minimizes noise in high-frequency signal chains.
4. Industrial Control – Supports robust power management in automation systems.
5. Test & Measurement – Delivers accurate voltage references for lab equipment.
6. Portable Electronics – Enhances battery-powered device efficiency with low dropout.
Its adjustable output (0V to 19.5V) and thermal protection make it versatile for demanding applications.