Part A
MAX1644EAE
Analog Devices Inc./Maxim tích hợp
- Lifecycle
- Active
- Stock
- 5745 PCS
- Series
- Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators
Parts at a glance
Part B
MAX1631EAI+T
Analog Devices Inc./Maxim tích hợp
- Lifecycle
- Active
- Stock
- 7126 PCS
- Package
- SSOP-28
- Series
- PMIC - Voltage Regulators - DC DC Switching Controllers
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | MAX1644EAE | MAX1631EAI+T |
|---|---|---|
| Supplier | - | Analog Devices Inc./Maxim Integrated |
| Part Status | Active | Active |
| Output Type | Adjustable (Programmable) | Transistor Driver |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Number of Outputs | 1 | 2 |
| Output Phases | - | 1 |
| Voltage - Supply (Vcc/Vdd) | - | 4.2V ~ 30V |
| Frequency - Switching | Up to 350kHz | 200kHz ~ 300kHz |
| Duty Cycle(Max) | - | 99% |
| Synchronous Rectifier | Yes | Yes |
| Clock Sync | - | Yes |
| Control Features | - | Enable, Reset, Sequencing |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Voltage - Input (Min) | 3V | - |
| Voltage - Input (Max) | 5.5V | - |
| Voltage - Output (Min / Fixed) | 1.1V (2.525V, 3.33V) | - |
| Voltage - Output (Max) | 5.5V | - |
| Current - Output | 2A | - |
| Base Product Number | MAX1644 | - |