UCC1895 BiCMOS 高级相移谐振控制器
The UCC3895 is a phase-shift PWM controller that implements control of a full-bridge power stage by phase shifting the switching of one half-bridge with respect to the other. It allows constant frequency pulse-width modulation in conjunction with resonant zero-voltage switching to provide high efficiency at high frequencies. The part can be used either as a voltage-mode or current-mode controller.
While the UCC3895 maintains the functionality of the UC3875/6/7/8 family and UC3879, it improves on that controller family with additional features such as enhanced control logic, adaptive delay set, and shutdown capability. Since it is built using the BCDMOS process, it operates with dramatically less supply current than it’s bipolar counterparts.
|
UCC1895 |
| Topology |
Full-Bridge |
| Control Method |
Current,Voltage |
| Duty Cycle (Max) (%) |
100 |
| Frequency (Max) (kHz) |
1000 |
| UVLO Thresholds On/Off (V) |
11/9 |
| Pin/Package |
20CDIP, 20LCCC |
| Vin (Min) (V) |
9 |
| Vin (Max) (V) |
17 |
| Regulated Outputs (#) |
4 |
| Operating Temperature Range (C) |
-55 to 125 |
| Rating |
Military |
UCC1895 特性
- Programmable Output Turn-on Delay
- Adaptive Delay Set
- Bidirectional Oscillator Synchronization
- Voltage-Mode, Peak Current-Mode, or
Average Current-Mode Control
- Programmable Softstart/Softstop and Chip
Disable via a Single Pin
- 0% to 100% Duty-Cycle Control
- 7-MHz Error Amplifier
- Operation to 1 MHz
- Typical 5-mA Operating Current at 500 kHz
- Very Low 150-µA Current During UVLO
- APPLICATIONS
- Phase-Shifted Full-Bridge Converters
- Off-Line, Telecom, Datacom and Servers
- Distributed Power Architecture
- High-Density Power Modules
UCC1895 芯片订购指南
| 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 |
| UCC1895J |
ACTIVE |
-55 to 125 |
19.26 | 100u |
CDIP (J) | 20 |
1 | TUBE |
|
| UCC1895L |
ACTIVE |
-55 to 125 |
22.21 | 100u |
LCCC (FK) | 20 |
1 | TUBE |
|
UCC1895 质量与无铅数据
| 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 |
| UCC1895J |
TBD |
A42 |
N/A for Pkg Type |
UCC1895J |
UCC1895J |
| UCC1895L |
TBD |
POST-PLATE |
N/A for Pkg Type |
UCC1895L |
UCC1895L |
UCC1895 工具与软件
UCC1895 应用技术支持与电子电路设计开发资源下载
- UCC1895数据资料 dataSheet 下载.PDF
- TI 德州仪器电源管理选型与价格参考 . xls
- Current Doubler Rectifier Offers Ripple Current Cancellation
- Synchronous Rectifiers of a Current Doubler
- A Power Management Solution for Efficient, Multiple Output Applications
- DN-63 The Current-Doubler Rectifier: An Alternative Rectification Technique
