UC3845AN Part Information
Details for UC3845AN by Unitrode
Electronic & Electrical Components>Semiconductors - ICs>Power Management
Part Downloads
Download PCB Footprint from Ultra Librarian
Part Specifications
| Input Voltage | 15V |
| Output Voltage | 5V |
| Output Current | 200mA |
| Supply Voltage Min | 12V |
| Supply Voltage Max | 25V |
| Controller IC Case Style | DIP |
| No. of Pins | 8Pins |
| Frequency | 500kHz |
| Operating Temperature Min | 0°C |
| Operating Temperature Max | 70°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | To Be Advised |
| MSL | - |
| SVHC | No SVHC (15-Jan-2018) |
| Base Number | 3845 |
| Controller Type | PWM |
| IC Generic Number | 3845 |
| IC Temperature Range | Commercial |
| Input Current | 11mA |
| Logic Function Number | 3845A |
| Operating Temperature Range | 0°C to +70°C |
| Output Current Max | 1A |
| Output Energy per Cycle | 5µJ |
| Output Type | Totem Pole |
| Power Dissipation Pd | 1W |
| Power Supply IC Type | PWM controller |
| Supply Voltage Range | 12V to 25V |
| Termination Type | Through Hole |
More Parts in Power Management
Details for UC3845AN by Texas Instruments
Electronic & Electrical Components>Semiconductors - ICs>Power Management
Part Description
The UCx84xA family of control ICs is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control currentmode or switched-mode power supplies, this family of devices has many improved features: startup current is less than 0.5 mA, oscillator discharge is trimmed to 8.3 mA, and during UVLO, the output stage can sink at least 10 mA at less than 1.2 V for VCC over 5 V.
Part Downloads
Part Features
- Automatic Feedforward Compensation
- Double Pulse Suppression
- Enhanced Load Response Characteristics
- High-Current Totem Pole Output
- Internally-Trimmed Bandgap Reference
- Low Start-Up Current (< 0.5 mA)
- Optimized for Off-Line and DC-DC Converters
- Pulse-by-Pulse Current Limiting
- Trimmed Oscillator Discharge Current
- Undervoltage Lockout With Hysteresis
- Up to 500-kHz Operation
Part Specifications
| Input Voltage | - |
| Output Voltage | - |
| Output Current | - |
| Supply Voltage Min | - |
| Supply Voltage Max | - |
| Controller IC Case Style | DIP |
| No. of Pins | 8Pins |
| Frequency | 450kHz |
| Operating Temperature Min | 0°C |
| Operating Temperature Max | 70°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | Yes |
| MSL | - |
| SVHC | No SVHC (27-Jun-2018) |
Alternative Part Descriptions
- Current Mode PWM Controller 1A 8-Pin | RS Components
- Current Mode PWM Controller 1A 8-Pin PDIP Tube | Avnet America
- PMIC; PWM controller; 1A; 47÷500kHz; Channels: 1; DIP8; 0÷48% | Transfer Multisort Elektronik
- 30V,1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0°C to 70°C | Texas Instruments
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