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宽输入范围电流模式升压控制器
消耗积分:1 |
格式:rar |
大小:0.5 MB |
2017-12-12
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TPS4021x 4.5-V to 52-V Input Current Mode Boost Controller
| 1 | Features | 3 Description | ||
| • | For Boost, Flyback, SEPIC, LED Drive Apps | The TPS40210 and TPS40211 are wide-input voltage | ||
| • Wide Input Operating Voltage: 4.5 V to 52 V | (4.5 V to | 52 V), nonsynchronous boost | controllers. | |
| They are suitable for topologies which require a | ||||
| • | Adjustable Oscillator Frequency | |||
| grounded source N-channel FET including boost, | ||||
| • | Fixed Frequency Current Mode Control | flyback, SEPIC and various LED Driver applications. | ||
| • | Internal Slope Compensation | The device features include programmable soft-start, | ||
| overcurrent protection with automatic retry and | ||||
| • | Integrated Low-Side Driver | |||
| programmable oscillator frequency. Current mode | ||||
| • | Programmable Closed-Loop Soft-Start | control provides improved transient response and | ||
| • | Overcurrent Protection | simplified | loop compensation. The main | difference |
| between | the two parts is the reference | voltage to | ||
| • | External Synchronization Capable | |||
| which the error amplifier regulates the FB pin. | ||||
| (TPS40211) | Device Information(1) | ||||
| • | Low Current Disable Function | PART NUMBER | PACKAGE | BODY SIZE (NOM) | |
| • | Create a Custom Design Using the TPS4021x | TPS40210 | HVSSOP (10) | 3.05 mm x 4.98 mm | |
| with the WEBENCH Power Designer | TPS40211 | VSON (10) | 3.10 mm x 3.10 mm | ||
| 2 | Applications | (1) For all available packages, see the orderable addendum at | |||
| the end of the datasheet. | |||||
| • | LED Lighting | ||||
| • | Industrial Control Systems | ||||
| • | Battery Powered Systems | ||||
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