ST1S10PHR vs L7987LTR Comparison
Detailed side-by-side comparison of ST1S10PHR by STMicroelectronics and L7987LTR 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 ✓ ActiveSTMicroelectronics
L7987LTR - 3A 61V Step-Down Switching Regulator | STMicroelectronics
L7987LTR ✓ ActiveSpecification Comparison
| Parameter | ST1S10PHR | L7987LTR |
|---|---|---|
| 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 | $2.77 |
| Topology | Synchronous Step-Down (Buck) | — |
| Input Voltage Range | 2.5 V to 18 V | 4.5 V to 61 V |
| Output Voltage Range | 0.8 V to 0.85 x VIN (adjustable) | 0.6 V to VIN |
| Maximum Output Current | 3 A | — |
| Switching Frequency | 900 kHz fixed (400 kHz to 1.2 MHz with external sync) | 250 kHz to 1 MHz (programmable) |
| 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 | Up to 90% (typical) |
| Feedback Voltage | 0.8 V (VFB reference) | — |
| Operating Temperature Range | -40 °C to +125 °C | — |
| Package | PowerSO-8 (HSOP-8) exposed pad | HTSSOP-16 (exposed pad) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) | — |
| Synchronization Input | Yes (SYNC/INH pin, 400 kHz to 1.2 MHz) | — |
| Protection Features | Cycle-by-cycle current limit, thermal shutdown, internal soft-start | — |
| RoHS Status | Compliant | Compliant |
| Function | — | Step-Down (Buck) Switching Regulator |
| Output Current | — | 3 A |
| Quiescent Current | — | 1.3 mA (typical) |
| Reference Voltage | — | 0.6 V (typical) |
| Duty Cycle | — | Up to 100% |
| Operating Temperature | — | -40°C to +150°C (junction) |
| Thermal Resistance, Junction-to-Ambient | — | 40°C/W |
| Control Architecture | — | Current Mode |
| Power-Good Flag | — | Yes |
| Internal Compensation | — | Yes |