The UCC3813-0/-1/-2/-3/-4/-5 family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching power supplies with minimal parts count.
These devices have the same pin configuration as the UC3442/3/4/5 family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.
The UCC3813-0/-1/-2/-3/-4/-5 family offers a variety of package options, temperature range options, choice of maximum duty cycle, and choice of critical voltage levels. Lower reference parts such as the UCC3813-3 and UCC3813-5 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 and UCC3813-4 make thsese ideal choices for use in off-line power supplies.
| UCC2813-3 | UCC3813-3 | |
| Topology | Boost, Flyback, Forward | Boost, Buck, Flyback, Forward |
| Control Method | Current Mode | Current Mode |
| Duty Cycle(Max)(%) | 100 | 100 |
| Frequency(Max)(kHz) | 1000 | 1000 |
| UVLO Thresholds On/Off(V) | 4.1/3.6 | 4.1/3.6 |
| Pin/Package | 8SOIC, 8TSSOP | 8PDIP, 8SOIC, 8TSSOP |
| Regulated Outputs(#) | 1 | 1 |
| Operating Temperature Range(°C) | -40 to 85 | 0 to 70 |
| Rating | Catalog | Catalog |
| 器件 | 状态 | 温度 (oC) | 价格（美元） | 封装 | 引脚 | 封装数量 | 封装载体 | 丝印标记 |
| UCC2813D-3 | ACTIVE | -40 to 85 | 1.15 | 1ku | SOIC (D) | 8 | 75 | TUBE | UCC2813 D-3 2813D-3 |
| UCC2813D-3G4 | ACTIVE | -40 to 85 | 1.15 | 1ku | SOIC (D) | 8 | 75 | TUBE | UCC2813 D-3 2813D-3 |
| UCC2813DTR-3 | ACTIVE | -40 to 85 | 1.05 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | UCC2813 D-3 2813D-3 |
| UCC2813DTR-3G4 | ACTIVE | -40 to 85 | 1.05 | 1ku | SOIC (D) | 8 | 2500 | LARGE T&R | UCC2813 D-3 2813D-3 |
| UCC2813N-3 | ACTIVE | -40 to 85 | 1.15 | 1ku | PDIP (P) | 8 | 50 | TUBE | UCC2813N-3 |
| UCC2813N-3G4 | ACTIVE | -40 to 85 | 1.15 | 1ku | PDIP (P) | 8 | 50 | TUBE | UCC2813N-3 |
| UCC2813PW-3 | ACTIVE | -40 to 85 | 1.15 | 1ku | TSSOP (PW) | 8 | 150 | TUBE | 28133 |
| UCC2813PW-3G4 | ACTIVE | -40 to 85 | 1.15 | 1ku | TSSOP (PW) | 8 | 150 | TUBE | 28133 |
| UCC2813PWTR-3 | ACTIVE | -40 to 85 | 1.05 | 1ku | TSSOP (PW) | 8 | 2000 | LARGE T&R | 28133 |
| UCC2813PWTR-3G4 | ACTIVE | -40 to 85 | 1.05 | 1ku | TSSOP (PW) | 8 | 2000 | LARGE T&R | 28133 |
| 器件 | 环保计划* | 铅/焊球涂层 | MSL 等级/回流焊峰 | 环保信息与无铅 (Pb-free) | DPPM / MTBF / FIT 率 |
| UCC2813D-3 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-360C-UNLIM | UCC2813D-3 | |
| UCC2813D-3G4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-360C-UNLIM | UCC2813D-3G4 | UCC2813D-3G4 |
| UCC2813DTR-3 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-360C-UNLIM | UCC2813DTR-3 | |
| UCC2813DTR-3G4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-360C-UNLIM | UCC2813DTR-3G4 | UCC2813DTR-3G4 |
| UCC2813N-3 | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | UCC2813N-3 | |
| UCC2813N-3G4 | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | UCC2813N-3G4 | UCC2813N-3G4 |
| UCC2813PW-3 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-360C-3 YEAR | UCC2813PW-3 | |
| UCC2813PW-3G4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-360C-3 YEAR | UCC2813PW-3G4 | UCC2813PW-3G4 |
| UCC2813PWTR-3 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-360C-3 YEAR | UCC2813PWTR-3 | |
| UCC2813PWTR-3G4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-360C-3 YEAR | UCC2813PWTR-3G4 | UCC2813PWTR-3G4 |
| 名称 | 型号 | 公司 | 工具/软件类型 |
| 音频的快速搜索选择工具 | AUDIO_SELECTION_TOOL | Texas Instruments | 免费评估工具 |
| UCC2813-3 评估模块 | UCC2813-3EVM | Texas Instruments | 开发电路板/EVM |
| 用于音频转换器的软件驱动程序 | CODECDRIVERS-SW | Texas Instruments | 应用软件 |
