L7987 vs L7987LTR Perbandingan
Perbandingan bersamaan detil L7987 dari STMicroelectronics dan L7987LTR dari STMicroelectronics. Bandingkan spesifikasi penting, parameter listrik, pengemasan, status cycle, harga, dan ketersediaan untuk menentukan komponen terbaik untuk kebutuhan desain Anda.
STMicroelectronics
L7987 - 61V 3A Async Step-Down DC/DC Converter | STMicroelectronics
L7987 ✓ AktifSTMicroelectronics
L7987LTR - 3A 61V Step-Down Switching Regulator | STMicroelectronics
L7987LTR ✓ AktifPerbandingan Spesifikasi
| Parameter Umum | L7987 | L7987LTR |
|---|---|---|
| Merek | STMicroelectronics | STMicroelectronics |
| Kategori | DC-DC Converters | DC-DC Converters |
| Status Lingkungan Hidup | Aktif | Aktif |
| Topologi | Step-down (buck), asynchronous | — |
| Rentang Tegangan Masukan | 4.5 V to 61 V | 4.5 V to 61 V |
| Rentang Tegangan Output | 0.8 V to VIN (adjustable) | 0.6 V to VIN |
| Arus Output Maximum | 3 A | — |
| Frekuensi Pengganti | 250 kHz (typ), adjustable 250 kHz to 1500 kHz | 250 kHz to 1 MHz (programmable) |
| Synchronization Range | 250 kHz to 1500 kHz (external clock on SYNCH) | — |
| Duty Cycle | Up to 100% (fail-safe mode) | Up to 100% |
| Control Method | Peak current mode | — |
| Arus Memerintah | [DATA_NEEDED: Iq] | 1.3 mA (typical) |
| Kinerja | Up to ~90% (application dependent) | Up to 90% (typical) |
| Batas Arus | Adjustable | — |
| Rentang Suhu Kerja | [DATA_NEEDED: industrial / extended] | — |
| Paket | 16-TSSOP (HTSSOP) with exposed pad | HTSSOP-16 (exposed pad) |
| Package Body Size | 0.173" (4.40 mm) width | — |
| Tipe Mounting | Surface Mount | Surface Mount |
| Status RoHS | Compliant | Compliant |
| Embedded Switchover | Yes (VBIAS pin) | — |
| Synchronization Pin | Yes (SYNCH) | — |
| Level MSL | [DATA_NEEDED: MSL rating] | — |
| Fungsi | — | Step-Down (Buck) Switching Regulator |
| Output Current | — | 3 A |
| Tegangan Referensi | — | 0.6 V (typical) |
| Suhu Kerja | — | -40°C to +150°C (junction) |
| Tahanan Panas, Hubung-lingkungan | — | 40°C/W |
| Control Architecture | — | Current Mode |
| Power-Good Flag | — | Yes |
| Internal Compensation | — | Yes |