UC3842BD1 vs NCP1294 Comparación
Comparación detallada lado a lado de UC3842BD1 por STMicroelectronics y NCP1294 por onsemi. 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 ✓ Activo
Comparación de especificaciones
| Parámetro | UC3842BD1 | NCP1294 |
|---|---|---|
| Marca | STMicroelectronics | onsemi |
| Categoría | DC-DC Converters | DC-DC Converters |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $0,15 | $0,81 |
| Rango de tensión de entrada | 7.5 V to 30 V | — |
| Output Current (Peak) | 1 A | — |
| Oscillator Frequency (Max) | 500 kHz | — |
| Maximum Duty Cycle | 96% | Programmable / Accurate Clamp [DATA_NEEDED: nominal %] |
| Reference Output Voltage | 5 V | — |
| Reference Tolerance | ±2% | — |
| Error Amplifier Bandwidth | 1 MHz | — |
| Current Sense Threshold | 1 V | — |
| Startup Current | 0.5 mA | < 50 uA |
| 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 | — |
| Encapsulado | SOIC-8 | TSSOP-14 [DATA_NEEDED: verify pin count] |
| Tipo de montaje | Surface Mount | Surface Mount |
| Estado RoHS | Compliant | Compliant |
| 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] |
| VCC Supply Voltage | — | [DATA_NEEDED: VCC range] |
| 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] |