Part A
MAX1681ESA+T
Analog Devices Inc./Maxim tích hợp
- Lifecycle
- Active
- Stock
- 4621 PCS
- Package
- SOIC-8
- Series
- PMIC - Voltage Regulators - DC DC Switching Regulators
Parts at a glance
Part B
MAX1651CSA
Analog Devices Inc./Maxim tích hợp
- Lifecycle
- Active
- Stock
- 2542 PCS
- Package
- SOIC-8
- Series
- PMIC - Voltage Regulators - DC DC Switching Controllers
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | MAX1681ESA+T | MAX1651CSA |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC,Analog Devices Inc./Maxim Integrated |
| Part Status | Active | Obsolete |
| Output Type | Fixed | Transistor Driver |
| Function | Ratiometric | Step-Down |
| Output Configuration | Positive or Negative | Positive |
| Topology | Charge Pump | Buck |
| Number of Outputs | 1 | 1 |
| Output Phases | - | 1 |
| Voltage - Supply (Vcc/Vdd) | - | 3V ~ 16V |
| Frequency - Switching | 500kHz, 1MHz | Up to 300kHz |
| Duty Cycle(Max) | - | 96.5% |
| Synchronous Rectifier | No | No |
| Clock Sync | - | No |
| Control Features | - | Enable |
| Operating Temperature | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Voltage - Input (Min) | 2V | - |
| Voltage - Input (Max) | 5.5V | - |
| Voltage - Output (Min/Fixed) | -Vin, 2Vin | - |
| Current - Output | 125mA | - |