| RoHS | Compliant |
|---|---|
| Lead-Free Status | Lead Free |
| Number of Outputs | 1 |
| Number of Regulated Outputs | 1 |
| Operating Temperature | -40.0 °C to 125 °C |
| Mounting Style | Surface Mount |
| Case/Package | SOIC |
| Frequency | 500 kHz |
| Output Current | 2.00 A |
| Quiescent Current | 3.00 mA |
| Output Voltage | 31.0 V, 31.0 V (max), 1.22 V (min) |
| Thermal Shutdown | Yes |
| Topology | Buck |
| REACH SVHC Compliance | No SVHC |
| Switching Frequency | 500 kHz (max) |
| Supply Voltage (DC) | 36.0 V (max) |
| Packaging | Tube, Rail |
| Number of Pins | 8 |
| Lifecycle Status | Active |
Power Management ICs - PMIC
| Manufacturer | Texas Instruments |
|---|---|
| Manufacturer Part Number | TPS5420D |
| Description | Conv DC-DC 5.5V to 36V Step Down |
| Stock Code | W003475 |
| Download |  Technical Datasheet |
The TPS5420D is a High-output-current PWM Converter integrates a low resistance high side N-channel MOSFET. Included on the substrate with the listed features is a high performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions; an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 5.5V, an internally set slow-start circuit to limit inrush currents and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18µA typically. Other features include an active-high enable, over-current limiting, overvoltage protection and thermal shutdown. To reduce design complexity and external component count, the TPS5420 feedback loop is internally compensated.
- Up to 2A continuous (3A peak) output current
- High efficiency up to 95% enabled by 110mR integrated MOSFET switch
- Wide output voltage range, adjustable down to 1.22V with 1.5% initial accuracy
- Internal compensation minimizes external parts count
- Fixed 500kHz switching frequency for small filter size
- Improved line regulation and transient response by input voltage feed forward
- System protected by overcurrent limiting, over voltage protection and thermal shutdown
- Green product and no Sb/Br
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