TPS54331DR vs NCP3170BDR2G Comparison
Detailed side-by-side comparison of TPS54331DR by Texas Instruments and NCP3170BDR2G by onsemi. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | TPS54331DR | NCP3170BDR2G |
|---|---|---|
| Brand | Texas Instruments | onsemi |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.85 | $1.18 |
| Topology | Non-synchronous Buck (Step-Down) | Synchronous Buck (Step-Down) |
| Input Voltage Range | 3.5 V to 28 V | 4.5 V to 18 V |
| Output Voltage Range | 0.8 V to 25 V (adjustable) | 0.8 V to VIN (adjustable) |
| Maximum Output Current | 3 A | — |
| Switching Frequency | 570 kHz (fixed) | 1 MHz (B suffix) |
| Control Method | Current mode with internal slope compensation | — |
| Light Load Feature | Eco-mode pulse skipping | — |
| Shutdown Supply Current | 1 uA | — |
| High-Side MOSFET | Integrated, low RDS(on) | — |
| Soft-Start | Adjustable via SS/TR pin | Internal |
| Protection Features | Overcurrent (cycle-by-cycle), thermal shutdown | — |
| Operating Temperature | -40C to +125C (ambient); -40C to +150C (TJ) | — |
| Package | 8-SOIC (0.154 in, 3.90 mm width), D | 8-SOIC (0.154", 3.90 mm width) |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Outputs | 1 | — |
| RoHS Status | Compliant | Compliant |
| Continuous Output Current | — | 3 A |
| Reference Voltage | — | 0.8 V (internal) |
| Control Mode | — | Peak Current-Mode PWM |
| Internal Switches | — | High-side P-MOS + Low-side N-MOS |
| Power Good Output | — | Yes (open-drain) |
| Operating Temperature Range | — | -40 C to +85 C (TA) |
| MSL Level | — | 1 (unlimited floor life at <30 C / 85% RH) |
| Lead-Free | — | Yes |