NCP1294 vs UC3842BD1 Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng NCP1294 sa pamamagitan ng onsemi at UC3842BD1 sa pamamagitan ng STMicroelectronics. Ikinahambing ang mga pangunahing paglalarawan, mga tama ng elektriko, paakay, kalagayan ng buhay, presyo, at pagkakaroon upang makita ang pinakamahusay na komponente para sa iyong mga kinakailangang pang disenyo.
onsemi
NCP1294 - Fixed Frequency PWM Controller for Flyback/Forward/Boost | onsemi
NCP1294 ✓ NakahandaSTMicroelectronics
UC3842BD1 - Current Mode PWM Controller | STMicroelectronics | SMPS
UC3842BD1 ✓ NakahandaPagsanggunian na paghahambing
| Parametro | NCP1294 | UC3842BD1 |
|---|---|---|
| Brand | onsemi | STMicroelectronics |
| Kategorya | DC-DC Converters | DC-DC Converters |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| Presyo ng Yunit (USD) | — | $0.15 |
| Topology Supported | Flyback, Boost, Forward | — |
| Control Method | Fixed Frequency Feed Forward Voltage Mode PWM | — |
| Takbo ng Pagpipili | 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% |
| Soft-Start | Internal, programmable | — |
| Limit ng Current | Cycle-by-cycle | — |
| Leading Edge Blanking | Yes (internal) | — |
| Undervoltage Protection (UVP) | Yes | — |
| Overvoltage Protection (OVP) | Yes | — |
| Output Driver | Totem pole (MOSFET gate drive) | — |
| Temperature na Operasyon | -40C to +125C [DATA_NEEDED: verified from datasheet] | — |
| Packhaging | TSSOP-14 [DATA_NEEDED: verify pin count] | SOIC-8 |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Tindminan RoHS | Compliant | Compliant |
| Hanay ng Voltage ng Input | — | 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 |
| Hanay ng Temperature na Operasyon | — | -40°C to +150°C |