UC3842BD1 vs UCC28C42QDRQ1 Comparison
Detailed side-by-side comparison of UC3842BD1 by STMicroelectronics and UCC28C42QDRQ1 by Texas Instruments. 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 β ActiveTexas Instruments
UCC28C42QDRQ1 - 1MHz Automotive Current-Mode PWM | Texas Instruments
UCC28C42QDRQ1 β ActiveSpecification Comparison
| Parameter | UC3842BD1 | UCC28C42QDRQ1 |
|---|---|---|
| Brand | STMicroelectronics | Texas Instruments |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.15 | $1.40 |
| Input Voltage Range | 7.5 V to 30 V | β |
| Output Current (Peak) | 1 A | β |
| Oscillator Frequency (Max) | 500 kHz | β |
| Maximum Duty Cycle | 96% | β |
| Reference Output Voltage | 5 V | β |
| Reference Tolerance | Β±2% | β |
| Error Amplifier Bandwidth | 1 MHz | β |
| Current Sense Threshold | 1 V | β |
| Startup Current | 0.5 mA | β |
| Operating Supply Current | 11 mA | β |
| Under-Voltage Lockout (UVLO) On | 16 V | β |
| Under-Voltage Lockout (UVLO) Off | 10 V | β |
| Operating Temperature Range | -40Β°C to +150Β°C | β |
| Package | SOIC-8 | 8-SOIC (D) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Topology | β | Flyback, Step-Up/Step-Down (current-mode PWM controller) |
| Control Mode | β | Peak Current-Mode |
| Maximum Switching Frequency | β | 1000 kHz (1 MHz) |
| Supply Voltage Range | β | 9 V to 18 V |
| Maximum Output Current | β | 1 A (output driver) |
| Technology | β | BiCMOS |
| Regulation | β | Primary-side (aux winding) or secondary-side (opto-coupler) |
| UVLO | β | Yes, family UVLO options |
| Temperature Grade | β | Automotive (AEC-Q100) |
| Pin Compatibility | β | Pin-for-pin compatible with UCx84xA / UCx84x family |
| Duty Cycle Limit Options | β | Yes (family option) |
| Datasheet | β | 46 pages, TI UCC28C42-Q1 |