產品規格表
TPS40222
- Input Voltage Range 4.5 VDC to 8 VDC
- Output Voltage (0.8 V to 90% VIN)
- 0 A to 1.6 A Current Capability
- Fixed 1.25-MHz Switching Frequency
- Reference 0.8 V ±1%
- Internal 250 m
N-Channel MOSFET Switch - Current Mode Control with Internal Slope Compensation
- Internal Soft-Start
- Internal Loop Compensation
- Short Circuit Protection
- Thermal Shutdown
- High Efficiency Up to 92%
- Small 3 mm × 3 mm SON Package
- APPLICATIONS
- Disk Drives
- Set Top Box
- Point of Load Power
- ASIC Power Supplies
The TPS40222 is a fixed-frequency, current-mode, non-synchronous buck converter optimized for applications powered by a 5-V distributed source. With internally determined operating frequency, soft-start time, and control loop compensation, the TPS40222 provides many features with a minimum of external components.
The TPS40222 operates at 1.25 MHz and supports up to 1.6-A output loads. The output voltage can be programmed to as low as 0.8 V. The TPS40222 utilizes pulse-by-pulse current limit as well as frequency foldback to protect the converter during a catastrophic short circuited output condition.
技術文件
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檢視所有 3 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | 1.6-A, 1.25-MHz BUCK CONVERTER datasheet (Rev. A) | 2005年 12月 30日 | |
| More literature | Исходные проекты ll | 2011年 5月 13日 | ||
| User guide | Using the TPS40222, a 5-V Input 1.6-A Output Nonsynchronous Buck Converter | 2006年 4月 18日 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
模擬型號
TPS40222 TINA-TI Transient Reference Design (Rev. C)
SLVC166C.ZIP (75 KB) - TINA-TI Reference Design
| 封裝 | 引腳 | 下載 |
|---|---|---|
| VSON (DRP) | 6 | 檢視選項 |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點