NCP1294DB vs NCP1294 对比
详细并排对比 NCP1294DB 出自 onsemi 和 NCP1294 出自 onsemi。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | NCP1294DB | NCP1294 |
|---|---|---|
| 品牌 | onsemi | onsemi |
| 分类 | DC-DC Converters | DC-DC Converters |
| 生命周期状态 | Unknown | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $0.00 | $0.81 |
| Controller Type | Fixed-frequency feed-forward voltage-mode PWM controller | — |
| Supported Topologies | Flyback, boost, and forward converters | — |
| Optimization | High-frequency primary-side control | — |
| 软启动 | 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 | — |
| 开关频率 | [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] | — |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | — |
| 封装 | [DATA_NEEDED: package designation and pin count] | TSSOP-14 [DATA_NEEDED: verify pin count] |
| 安装类型 | [DATA_NEEDED: mounting type] | Surface Mount |
| RoHS 状态 | [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] |
| 限流 | — | Cycle-by-cycle |
| Leading Edge Blanking | — | Yes (internal) |
| Undervoltage Protection (UVP) | — | Yes |
| Overvoltage Protection (OVP) | — | Yes |
| Output Driver | — | Totem pole (MOSFET gate drive) |
| 工作温度 | — | -40C to +125C [DATA_NEEDED: verified from datasheet] |