描述
LT1963AEQ#PBF Linear Regulator
Ultra-Fast Transient Response meets Low Noise Fabric – The Professional 1.5A Low Dropout LDO Choice for RF & Precision Microprocessor Power.
// High-Current 1.5A Low-Noise Adjustable DD-Pak Portfolio
The Fast Transient Power Edge
The LT1963AEQ#PBF represents a premier flagship solution for noise-sensitive, high-current embedded systems demanding absolute voltage stability and minimal ripple overhead. Engineered by Linear Technology (Analog Devices), this 1.5A low dropout (LDO) linear regulator features an optimized architecture tailored for ultra-fast transient response curves. Operating flawlessly with ceramic output capacitors, it provides deterministic rail-to-rail power regulation pathways secure from localized logic board oscillations inside a heavy-duty 5-lead DD-Pak package footprint.
- 1.5A Continuous output current capacity driving heavy core processors
- Ultra-low output noise (40µVRMS) shielding delicate RF and telemetry logic
- Adjustable output voltage spectrum tracking from 1.21V up to 20V configurations
Key Performance Advantages
Fast Transient Loop
Maintains dynamic system loop speeds, absorbing sudden load variations instantly without severe core voltage dips or peripheral bus resets.
40µVRMS Ultra-Low Noise
Squelches parasitic harmonic ripple elements over a broad frequency grid, maximizing signal purity for mixed-signal telemetry boards.
Ceramic Cap Optimized
Stable under small, low-ESR ceramic output capacitors, bypassing large legacy tantalum filter blocks to cut general assembly bills.
Technical Specifications
| Parameter Node | Detailed Engineering Specification |
|---|---|
| Manufacturer | Linear Technology / Analog Devices |
| Part Number (MPN) | LT1963AEQ#PBF |
| Product Category | Low Dropout Linear Regulator (LDO 线性稳压器) |
| Output Current Max | 1.5 Amps Continuous Delivery Rating |
| Dropout Voltage (Typ) | 340 mV under full 1.5A electrical constraints |
| Output Voltage Config | Adjustable Output Type (From 1.21V up to 20V) |
| Output Noise Level | 40 µVRMS (10Hz to 100kHz Bandwidth Window) |
| Package / Case Form | DD-Pak-5 / TO-263-5 (Surface Mount Power Package, Lead-Free “#PBF”) |
| Protection Safeguards | Reverse Battery Protection, Current Limiting, Thermal Overload Shutdown |
| Temperature Window | Extended Performance E-Grade Range (-40°C to +125°C Junction) |
Versatile Power Applications
- RF & Wireless Systems: Pure low-noise power distribution grids for high-frequency transceivers and telecommunication modems.
- Microprocessor Core Power: Provides clean power loops for high-speed switching FPGAs, PLCs, and logic microcontrollers.
- Switching Power Supply Post Regulator: Acts as an efficient linear post-filter loop, cleaning up dynamic ripple noise.
- Precision Audio Decoders: Pure, ripple-free voltage rails safeguarding sound instrumentation accuracy.
Industrial Quality Protections
100% Original Sourcing: Procured securely through fully audited tier-1 franchise lines, completely ensuring anti-counterfeit protection.
Anti-Static Handling: Stored and picked in full alignment with international ANSI/ESD cleanroom facility benchmarks.
Full Batch Traceability: Verified via intensive certificate analysis and rigorous documentation tracking prior to export dispatch.
HIGH-PERFORMANCE POWER MANAGEMENT SOLUTIONS // DIRECT SOURCE ARCHITECTURE


