NCP1294DB vs NCP1294 مقایسه
مقایسه دقیق کنار به کنار NCP1294DB توسط onsemi و NCP1294 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 | NCP1294DB | NCP1294 |
|---|---|---|
| برند | onsemi | onsemi |
| دسته‌بندی | DC-DC Converters | DC-DC Converters |
| وضعیت چرخه عمر | Unknown | فعال |
| Controller Type | Fixed-frequency feed-forward voltage-mode PWM controller | — |
| Supported Topologies | Flyback, boost, and forward converters | — |
| Optimization | High-frequency primary-side control | — |
| شروع نرم | Yes | Internal, programmable |
| Duty-Cycle Limit | Accurate duty-cycle limit control | — |
| Startup Current | Less than 50 uA | < 50 uA |
| Overvoltage Protection | Yes | — |
| Undervoltage Protection | Yes | — |
| Control Mode | Voltage-mode | — |
| Feedback | Primary-side feedback control | — |
| فرکانس سوئیچینگ | [DATA_NEEDED: switching frequency] | Programmable (up to 1 MHz typical) [DATA_NEEDED: exact max] |
| Operating Voltage Range | [DATA_NEEDED: operating voltage range] | — |
| Maximum Duty Cycle | [DATA_NEEDED: maximum duty cycle] | Programmable / Accurate Clamp [DATA_NEEDED: nominal %] |
| 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] | — |
| بسته‌بندی | [DATA_NEEDED: package designation and pin count] | TSSOP-14 [DATA_NEEDED: verify pin count] |
| نوع نصب | [DATA_NEEDED: mounting type] | Surface Mount |
| وضعیت RoHS | [DATA_NEEDED: RoHS status] | Compliant |
| Topology Supported | — | Flyback, Boost, Forward |
| Control Method | — | Fixed Frequency Feed Forward Voltage Mode PWM |
| VCC Supply Voltage | — | [DATA_NEEDED: VCC range] |
| 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] |