L7987LTR vs ST1S10PHR Comparison
Detailed side-by-side comparison of L7987LTR by STMicroelectronics and ST1S10PHR by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
L7987LTR - 3A 61V Step-Down Switching Regulator | STMicroelectronics
L7987LTR ✓ ActiveSTMicroelectronics
ST1S10PHR - 3A, 18V Synchronous Step-Down Converter | STMicroelectronics
ST1S10PHR ✓ ActiveSpecification Comparison
| Parameter | L7987LTR | ST1S10PHR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.77 | $0.78 |
| Function | Step-Down (Buck) Switching Regulator | — |
| Output Current | 3 A | — |
| Input Voltage Range | 4.5 V to 61 V | 2.5 V to 18 V |
| Output Voltage Range | 0.6 V to VIN | 0.8 V to 0.85 x VIN (adjustable) |
| Switching Frequency | 250 kHz to 1 MHz (programmable) | 900 kHz fixed (400 kHz to 1.2 MHz with external sync) |
| Quiescent Current | 1.3 mA (typical) | — |
| Reference Voltage | 0.6 V (typical) | — |
| Duty Cycle | Up to 100% | — |
| Efficiency | Up to 90% (typical) | Up to 90 % at full load |
| Operating Temperature | -40°C to +150°C (junction) | — |
| Package | HTSSOP-16 (exposed pad) | PowerSO-8 (HSOP-8) exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Thermal Resistance, Junction-to-Ambient | 40°C/W | — |
| RoHS Status | Compliant | Compliant |
| Control Architecture | Current Mode | — |
| Power-Good Flag | Yes | — |
| Internal Compensation | Yes | — |
| Topology | — | Synchronous Step-Down (Buck) |
| Maximum Output Current | — | 3 A |
| 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 |
| Feedback Voltage | — | 0.8 V (VFB reference) |
| Operating Temperature Range | — | -40 °C to +125 °C |
| 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 |