UC3842BD1 vs E-UC3844BD1 Comparison
Detailed side-by-side comparison of UC3842BD1 by STMicroelectronics and E-UC3844BD1 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
UC3842BD1 - Current Mode PWM Controller | STMicroelectronics | SMPS
UC3842BD1 ✓ Active
Specification Comparison
| Parameter | UC3842BD1 | E-UC3844BD1 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.15 | $0.71 |
| Input Voltage Range | 7.5 V to 30 V | — |
| Output Current (Peak) | 1 A | — |
| Oscillator Frequency (Max) | 500 kHz | — |
| Maximum Duty Cycle | 96% | 50% |
| Reference Output Voltage | 5 V | — |
| Reference Tolerance | ±2% | — |
| Error Amplifier Bandwidth | 1 MHz | — |
| Current Sense Threshold | 1 V | — |
| Startup Current | 0.5 mA | — |
| Operating Supply Current | 11 mA | — |
| Under-Voltage Lockout (UVLO) On | 16 V | — |
| Under-Voltage Lockout (UVLO) Off | 10 V | — |
| Operating Temperature Range | -40°C to +150°C | [DATA_NEEDED: industrial / commercial grade range] |
| Package | SOIC-8 | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| PWM Type | — | Current Mode |
| Number of Outputs | — | 1 |
| Topology | — | Boost, Flyback (Isolation Capable, Step-Up/Step-Down) |
| Package / Case | — | 8-SOIC (3.90 mm body width) |
| Supply Voltage Range | — | 11.5 V to 25 V |
| Maximum Switching Frequency | — | 500 kHz |
| Oscillator Frequency (Guaranteed) | — | 250 kHz |
| Start-Up Current | — | 0.5 mA typical |
| Output Current (Peak, Gate Drive) | — | 1 A |
| Reference Voltage | — | 5 V (internal bandgap) |
| UVLO Thresholds | — | [DATA_NEEDED: specific turn-on / turn-off thresholds for the E-UC3844BD1 UVLO variant] |
| Lead-Free | — | Yes |
| MSL Level | — | 1 |