| Part Number | MAX663CPA | MAX666CPA | 
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | 
| Category | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Output Configuration | Positive | Positive | 
| Output Type | Adjustable (Fixed) | Adjustable (Fixed) | 
| Number of Regulators | 1 | 1 | 
| Voltage - Input (Max) | 16.5V | 16.5V | 
| Voltage - Output (Min/Fixed) | 1.3V (5V) | 1.3V (5V) | 
| Voltage - Output (Max) | 16V | 16V | 
| Voltage Dropout (Max) | 0.9V @ 40mA | 0.9V @ 40mA | 
| Current - Output | 40mA | 40mA | 
| Current - Quiescent (Iq) | 15 µA | 15 µA | 
| Current - Supply (Max) | - | - | 
| PSRR | - | - | 
| Control Features | Current Limit, Enable | Current Limit, Enable, Low Battery Detection | 
| Protection Features | - | - | 
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 8-PDIP | 8-PDIP |