NCP1294DB vs NCP1294 مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ NCP1294DB بواسطة onsemi و NCP1294 بواسطة onsemi. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | NCP1294DB | NCP1294 |
|---|---|---|
| العلامة التجارية | onsemi | onsemi |
| الفئة | DC-DC Converters | DC-DC Converters |
| حالة دورة الحياة | Unknown | نشط |
| Controller Type | Fixed-frequency feed-forward voltage-mode PWM controller | — |
| Supported Topologies | Flyback, boost, and forward converters | — |
| Optimization | High-frequency primary-side control | — |
| بدء التشغيل الناعم | 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 | — |
| تردد التبديل | [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] | — |
| نطاق درجة حرارة التشغيل | [DATA_NEEDED: operating temperature range] | — |
| العلبة | [DATA_NEEDED: package designation and pin count] | TSSOP-14 [DATA_NEEDED: verify pin count] |
| نوع التركيب | [DATA_NEEDED: mounting type] | Surface Mount |
| حالة 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] |
| حد التيار | — | Cycle-by-cycle |
| Leading Edge Blanking | — | Yes (internal) |
| Undervoltage Protection (UVP) | — | Yes |
| Overvoltage Protection (OVP) | — | Yes |
| Output Driver | — | Totem pole (MOSFET gate drive) |
| درجة حرارة التشغيل | — | -40C to +125C [DATA_NEEDED: verified from datasheet] |