| Part Number | MAX1540ETJ+T | MAX1540AETJ+T |
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
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| Product Status | Obsolete | Active |
| Output Type | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Number of Outputs | 2 | 2 |
| Output Phases | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 5.5V ~ 28V | 5.5V ~ 28V |
| Frequency - Switching | 170kHz ~ 620kHz | 170kHz ~ 620kHz |
| Duty Cycle (Max) | 100% | 100% |
| Synchronous Rectifier | Yes | Yes |
| Clock Sync | No | No |
| Serial Interfaces | - | - |
| Control Features | Current Limit, Enable, On Time Control, Power Good, Pulse Skipping, Saturation | Current Limit, Enable, On Time Control, Power Good, Pulse Skipping, Saturation |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad |
| Supplier Device Package | 32-TQFN (5x5) | 32-TQFN (5x5) |