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