BD9B304QWZ-E2 vs TPS62840DLCR Comparison
Detailed side-by-side comparison of BD9B304QWZ-E2 by ROHM Semiconductor and TPS62840DLCR 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 | BD9B304QWZ-E2 | TPS62840DLCR |
|---|---|---|
| Brand | ROHM Semiconductor | Texas Instruments |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.72 | $1.21 |
| Topology | Synchronous Buck (Step-Down) | Synchronous Step-Down (Buck) Converter |
| Input Voltage Range | 2.7 V to 5.5 V | 1.8 V to 6.5 V |
| Output Voltage Range | 0.8 V to 0.8 x VIN (adjustable) | Adjustable (0.8 V to V_IN) |
| Maximum Output Current | 3.0 A | 750 mA |
| Switching Frequency | 1.0 MHz / 2.0 MHz (selectable via RT pin) | — |
| High-Side MOSFET RDSon | 40 mOhm | — |
| Low-Side MOSFET RDSon | 40 mOhm | — |
| Control Method | Constant On-Time (COT) | — |
| Number of Outputs | 1 | — |
| Package | 8-XFDFN Exposed Pad (UMMP008AZ) | 8-pin VFDFN (DLC), 3.0 x 3.0 mm |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| MSL Level | [DATA_NEEDED: MSL rating] | [DATA_NEEDED: MSL rating] |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| Built-in Protection | Over-current protection, Thermal shutdown, Soft-start | — |
| Typical Quiescent Current | — | 60 nA |
| Quiescent Current (100% Mode) | — | 120 nA |
| Nominal Switching Frequency | — | 1.8 MHz |
| Control Topology | — | DCS-Control (voltage-mode + current-mode) |
| Efficiency at 1 uA Load (3.6 VIN to 1.8 VOUT) | — | 80% |
| Efficiency at Full Load | — | [DATA_NEEDED: efficiency at 750 mA] |
| Shutdown Current | — | [DATA_NEEDED: shutdown IQ] |
| STOP Pin | — | Yes (disables switching) |
| Soft-Start | — | Programmable via SS pin capacitor |
| Operating Junction Temperature | — | -40C to +125C |