| Part Number | LM5027MH-1/NOPB | LM5027MHX-1/NOPB |
|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments |
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
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| Product Status | Obsolete | Obsolete |
| Output Type | Transistor Driver | Transistor Driver |
| Function | Step-Up/Step-Down | Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable |
| Topology | Forward Converter | Forward Converter |
| Number of Outputs | 3 | 3 |
| Output Phases | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 13V ~ 90V | 13V ~ 90V |
| Frequency - Switching | 200kHz, 490kHz | 200kHz, 490kHz |
| Duty Cycle (Max) | 90% | 90% |
| Synchronous Rectifier | Yes | Yes |
| Clock Sync | No | No |
| Serial Interfaces | - | - |
| Control Features | Frequency Control, Ramp, Soft Start | Frequency Control, Ramp, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 20-PowerTSSOP (0.173", 4.40mm Width) | 20-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-HTSSOP | 20-HTSSOP |