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TPS543620
- Fixed-frequency, internally-compensated advanced current mode (ACM) control
- Integrated 25-mΩ and 6.5-mΩ MOSFETs
- Input voltage range: 4 V to 18 V
- Output voltage range: 0.5 V to 7 V
- Three selectable PWM ramp options to optimize the control loop performance
- Five selectable switching frequencies: 500 kHz, 750 kHz, 1 MHz, 1.5 MHz, and 2.2 MHz
- Synchronizable to an external clock
- 0.5-V, ±0.5% voltage reference accuracy over full temperature range
- Selectable soft start times: 0.5 ms, 1 ms, 2 ms, and 4 ms
- Monotonic start-up into pre-biased outputs
- Selectable current limits to support 6-A and 3-A operation
- Enable with adjustable input undervoltage lockout
- Power good output monitor
- Output overvoltage, output undervoltage, input undervoltage, overcurrent, and overtemperature protection
- Pin-to-pin compatible with TPS543820 and TPS543320
- –40°C to 150°C operating junction temperature
- 2.5-mm × 3-mm, 14-pin VQFN-HR package with 0.5-mm pitch
The TPS543620 is a high-efficiency 18-V, 6-A synchronous buck converter employing an internally-compensated, fixed-frequency Advanced Current Mode control. It is capable of providing high efficiency while running at a switching frequency up to 2.2 MHz. The device is in a small 2.5-mm x 3-mm HotRod™ VQFN package, which coupled with high efficiency at high frequency, makes it optimal for designs requiring a small solution size. The fixed frequency controller can operate from 500 kHz to 2.2 MHz and can be synchronized to an external clock using the SYNC pin. Additional features include a high accuracy voltage reference, selectable soft start times, montonic start-up into pre-biased outputs, selectable current limits, adjustable UVLO through the EN pin, and a full suite of fault protections.
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開發板
TPS543620EVM — 4-V 至 18-V 輸入 6-A 同步降壓轉換器評估模組
The TPS543620EVM is an evaluation module (EVM) for the TPS543620. The TPS543620 is a synchronous buck converter, integrating both power MOSFETs with low drain to source resistance to minimize solution size and provide high efficiency at full load. The TPS543620 uses fixed frequency Advanced (...)
| 封裝 | 引腳 | 下載 |
|---|---|---|
| VQFN-HR (RPY) | 14 | 檢視選項 |
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- RoHS
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- 產品標記
- 鉛塗層/球物料
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內含資訊：
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