NCP1294 vs NCP1294DB مقایسه
مقایسه دقیق کنار به کنار NCP1294 توسط onsemi و NCP1294DB توسط onsemi. مشخصات کلیدی، پارامترهای الکتریکی، بسته‌بندی، وضعیت چرخه عمر، قیمت‌گذاری و موجودی را مقایسه کنید تا بهترین قطعه را برای نیازهای طراحی خود تعیین کنید.
مقایسه مشخصات
| پارامتر | NCP1294 | NCP1294DB |
|---|---|---|
| برند | onsemi | onsemi |
| دسته‌بندی | DC-DC Converters | DC-DC Converters |
| وضعیت چرخه عمر | فعال | Unknown |
| Topology Supported | Flyback, Boost, Forward | — |
| Control Method | Fixed Frequency Feed Forward Voltage Mode PWM | — |
| فرکانس سوئیچینگ | Programmable (up to 1 MHz typical) [DATA_NEEDED: exact max] | [DATA_NEEDED: switching frequency] |
| Startup Current | < 50 uA | Less than 50 uA |
| VCC Supply Voltage | [DATA_NEEDED: VCC range] | — |
| Maximum Duty Cycle | Programmable / Accurate Clamp [DATA_NEEDED: nominal %] | [DATA_NEEDED: maximum duty cycle] |
| شروع نرم | Internal, programmable | Yes |
| محدودیت جریان | Cycle-by-cycle | — |
| Leading Edge Blanking | Yes (internal) | — |
| Undervoltage Protection (UVP) | Yes | — |
| Overvoltage Protection (OVP) | Yes | — |
| Output Driver | Totem pole (MOSFET gate drive) | — |
| دمای کاری | -40C to +125C [DATA_NEEDED: verified from datasheet] | — |
| بسته‌بندی | TSSOP-14 [DATA_NEEDED: verify pin count] | [DATA_NEEDED: package designation and pin count] |
| نوع نصب | Surface Mount | [DATA_NEEDED: mounting type] |
| وضعیت RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| Controller Type | — | Fixed-frequency feed-forward voltage-mode PWM controller |
| Supported Topologies | — | Flyback, boost, and forward converters |
| Optimization | — | High-frequency primary-side control |
| Duty-Cycle Limit | — | Accurate duty-cycle limit control |
| Overvoltage Protection | — | Yes |
| Undervoltage Protection | — | Yes |
| Control Mode | — | Voltage-mode |
| Feedback | — | Primary-side feedback control |
| Operating Voltage Range | — | [DATA_NEEDED: operating voltage range] |
| Output Drive Capability | — | [DATA_NEEDED: gate-drive current and sink current] |
| Protection Threshold | — | [DATA_NEEDED: overvoltage and undervoltage thresholds] |
| محدوده دمای کاری | — | [DATA_NEEDED: operating temperature range] |