NCP1294 vs UC3842BD1 Comparación
Comparación detallada lado a lado de NCP1294 por onsemi y UC3842BD1 por STMicroelectronics. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
STMicroelectronics
UC3842BD1 - Current Mode PWM Controller | STMicroelectronics | SMPS
UC3842BD1 ✓ ActivoComparación de especificaciones
| Parámetro | NCP1294 | UC3842BD1 |
|---|---|---|
| Marca | onsemi | STMicroelectronics |
| Categoría | DC-DC Converters | DC-DC Converters |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $0,81 | $0,15 |
| Topology Supported | Flyback, Boost, Forward | — |
| Control Method | Fixed Frequency Feed Forward Voltage Mode PWM | — |
| Frecuencia de conmutación | Programmable (up to 1 MHz typical) [DATA_NEEDED: exact max] | — |
| Startup Current | < 50 uA | 0.5 mA |
| VCC Supply Voltage | [DATA_NEEDED: VCC range] | — |
| Maximum Duty Cycle | Programmable / Accurate Clamp [DATA_NEEDED: nominal %] | 96% |
| Arranque suave | Internal, programmable | — |
| Limitación de corriente | Cycle-by-cycle | — |
| Leading Edge Blanking | Yes (internal) | — |
| Undervoltage Protection (UVP) | Yes | — |
| Overvoltage Protection (OVP) | Yes | — |
| Output Driver | Totem pole (MOSFET gate drive) | — |
| Temperatura de funcionamiento | -40C to +125C [DATA_NEEDED: verified from datasheet] | — |
| Encapsulado | TSSOP-14 [DATA_NEEDED: verify pin count] | SOIC-8 |
| Tipo de montaje | Surface Mount | Surface Mount |
| Estado RoHS | Compliant | Compliant |
| Rango de tensión de entrada | — | 7.5 V to 30 V |
| Output Current (Peak) | — | 1 A |
| Oscillator Frequency (Max) | — | 500 kHz |
| Reference Output Voltage | — | 5 V |
| Reference Tolerance | — | ±2% |
| Error Amplifier Bandwidth | — | 1 MHz |
| Current Sense Threshold | — | 1 V |
| Operating Supply Current | — | 11 mA |
| Under-Voltage Lockout (UVLO) On | — | 16 V |
| Under-Voltage Lockout (UVLO) Off | — | 10 V |
| Rango de temperatura de funcionamiento | — | -40°C to +150°C |