ST1S10PHR vs ST1S41PUR Comparison
Detailed side-by-side comparison of ST1S10PHR by STMicroelectronics and ST1S41PUR by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
ST1S10PHR - 3A, 18V Synchronous Step-Down Converter | STMicroelectronics
ST1S10PHR ✓ Active
Specification Comparison
| Parameter | ST1S10PHR | ST1S41PUR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.78 | $0.92 |
| Topology | Synchronous Step-Down (Buck) | Synchronous Buck (Step-Down) DC-DC Converter |
| Input Voltage Range | 2.5 V to 18 V | 4.0 V to 18 V |
| Output Voltage Range | 0.8 V to 0.85 x VIN (adjustable) | 0.8 V to VIN (adjustable) |
| Maximum Output Current | 3 A | 4 A continuous |
| Switching Frequency | 900 kHz fixed (400 kHz to 1.2 MHz with external sync) | 850 kHz nominal (700 kHz to 1 MHz adjustable) |
| Control Mode | Peak Current-Mode PWM | — |
| High-Side MOSFET RDS(on) | [DATA_NEEDED: RDS(on) high-side typical value] | — |
| Low-Side MOSFET RDS(on) | [DATA_NEEDED: RDS(on) low-side typical value] | — |
| Typical Quiescent Current | 1.5 mA | — |
| Efficiency | Up to 90 % at full load | — |
| Feedback Voltage | 0.8 V (VFB reference) | — |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +125 °C junction |
| Package | PowerSO-8 (HSOP-8) exposed pad | VFQFPN-8 (3x3 mm) with exposed thermal pad |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) | 1 |
| Synchronization Input | Yes (SYNC/INH pin, 400 kHz to 1.2 MHz) | — |
| Protection Features | Cycle-by-cycle current limit, thermal shutdown, internal soft-start | Overcurrent, Thermal Shutdown, Cycle-by-Cycle Current Limit |
| RoHS Status | Compliant | Compliant |
| High-Side Switch Rds(on) | — | 95 mΩ |
| Low-Side Switch Rds(on) | — | 69 mΩ (synchronous rectifier) |
| Control Method | — | Peak Current-Mode PWM with Internal Compensation |
| Peak Efficiency | — | Up to 90% |
| Quiescent Current | — | 1.5 mA typical |
| Soft-Start | — | Internal |