Texas Instruments UC3879DWG4 电源控制器-产品快照
- 品牌:
- Texas Instruments
- 型号:
- UC3879DWG4
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| 供应商名称 | 电话 | 备注 |
|---|---|---|
| 得捷电子（上海）有限公司 | 400 920 1199 | |
| 深圳捷迈科技发展有限公司 | 0755-86128820 | |
| 上海贸泽电子有限公司 | ||
| 易络盟电子（中国）有限公司 |
产品介绍
Texas Instruments UC3879DWG4 电源控制器
TEXAS INSTRUMENTS UC3879DWG4 PWM Controller, 4 outputs, 11V-18V supply, 2.2V/10mA out, 500 kHz, SOIC-20
TEXAS INSTRUMENTS
The UC3879DW is a Phase Shift Resonant Controller implements control of a bridge power stage by phase-shifting the switching of one half-bridge with respect to the other, allowing constant frequency pulse-width modulation in combination with resonant, zero-voltage switching for high efficiency performance at high frequencies. This family of circuits may be configured to provide control in either voltage or current-mode operation, with a separate over-current shutdown for fast fault protection. A programmable time delay is provided to insert a dead-time at the turn-on of each output stage. This delay, providing time to allow the resonant switching action, is independently controllable for each output pair. With the oscillator capable of operation at frequencies in excess of 2MHz, overall switching frequencies to 1MHz are practical. Programmable output turn-on delay Compatible with voltage mode or current mode topologies 10MHz Error amplifier Pin programmable undervoltage lockout Soft-start control Outputs active low during UVLO Green product and no Sb/Br Input Voltage: 12V Output Voltage: 2.2V Output Current: 10mA Supply Voltage Min: 11V Supply Voltage Max: 18V Controller IC Case Style: SOIC No. of Pins: 20Pins Frequency: 500kHz Operating Temperature Min: 0°C Operating Temperature Max: 70°C Packaging: Each Product Range: - Automotive Qualifications Standard: - MSL: MSL 2 - 1 year Supply Voltage Range: 11V to 18V SVHC: No SVHC (15-Jun-2015) Digital IC Case Style: SOIC Find similar products grouped by common attribute
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