ADP1764ACPZ-R7: High-Performance 4A Linear Voltage Regulator by Analog Devices

The ADP1764ACPZ-R7 from Analog Devices Inc. is a premium-grade low-dropout (LDO) linear voltage regulator engineered to deliver ultra-stable power in high-current applications. As part of the PMIC - Voltage Regulators - Linear family, this IC combines exceptional efficiency, thermal performance, and configurability, making it a top choice for engineers designing power supplies for FPGAs, ASICs, and RF systems.

---

In-Depth Technical Overview

Unmatched Performance Specifications

• Output Current: 4A continuous (5A peak)
• Input Voltage Range: 0.5V to 1.98V
• Adjustable Output: 0.5V to 1.5V ( 1% accuracy)
• Ultra-Low Dropout: 75mV at 4A load
• PSRR: 69dB @ 10kHz (35dB @ 1MHz)
• Quiescent Current: 17 A in standby

Advanced Package Technology

The 16-LFCSP (3x3mm) package with exposed pad delivers:

• Superior thermal resistance: 15 C/W
• Space-saving solution for dense PCBs
• Enhanced reliability with solder creepage barriers

---

Key Differentiators

1. Precision Power Management

The ADP1764ACPZ-R7 incorporates Analog Devices' patented Auto-Control Loop technology that dynamically adjusts bias current to maintain:

• Load regulation: 0.05%/A
• Line regulation: 0.02%/V
• Temperature drift: 50ppm/ C

2. Intelligent System Integration

Advanced features include:

• Programmable Soft-Start (50 s to 10ms)
• Power Good indicator with adjustable threshold
• Sequencing Control for multi-rail systems
• Fault-tolerant Current Limit with foldback

3. Robust Protection Suite

• Thermal shutdown (150 C with hysteresis)
• Reverse current protection
• UVLO (Under Voltage Lockout)
• Short-circuit resilience

---

Application-Specific Design Solutions

Industrial Automation

Ideal for:

• PLC analog front-ends
• Motor control circuits
• Industrial IoT edge nodes

Telecommunications

Critical for:

• 5G small cell power
• RF power amplifier bias
• Optical transceivers

Automotive Electronics

AEC-Q100 qualified versions available for:

• ADAS sensor arrays
• Infotainment systems
• Vehicle networking

---

Designer's Toolkit

Reference Designs

• 4A POL converter with 95% efficiency
• Multi-phase parallel configuration guide
• Thermal management solutions

Simulation Models

Available for:

• SPICE
• LTspice
• PSpice

---

Why Engineers Choose ADP1764ACPZ-R7

1. Industry-Leading Efficiency - 30% lower dropout than competitors
2. Design Flexibility - 20+ configuration options
3. Reliability - MTBF >1M hours at 125 C
4. Support Ecosystem - Full reference designs and models

For complete technical documentation, visit Analog Devices' official product page.