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TEXAS INSTRUMENTS LM5122MHE/NOPB
DC/DC控制器, 多相, 4.5V至65V, 1输出, 同步升压, 875kHz, HTSSOP-20
- 制造商产品编号:
- LM5122MHE/NOPB
- 库存编号
- 3008667
-
- ECAD / MCAD
-
产品概述
The LM5122MHE/NOPB is a multiphase capable synchronous Boost Controller intended for high-efficiency synchronous boost regulator applications. The control method is based upon peak current-mode control. current-mode control provides inherent line feed-forward, cycle-by-cycle current limiting and ease of loop compensation. The switching frequency is programmable up to 1MHz. Higher efficiency is achieved by two robust N-channel MOSFET gate drivers with adaptive dead-time control. User-selectable diode emulation mode also enables discontinuous mode operation for improved efficiency at light load conditions. An internal charge pump allows 100% duty cycle for high-side synchronous switch (Bypass operation). A 180° phase shifted clock output enables easy multi-phase interleaved configuration. Additional features include thermal shutdown, frequency synchronization, hiccup mode current limit and adjustable line undervoltage lockout.
- Peak current mode control
- Robust 3A Integrated gate drivers
- Adaptive dead-time control
- Optional diode emulation mode
- Programmable cycle-by-cycle current limit
- Hiccup mode overload protection
- Programmable line UVLO
- Programmable soft-start
- Thermal shutdown protection
- Programmable slope compensation
- Programmable skip cycle mode reduces standby power
- Allows external VCC supply
- Inductor DCR current sensing capability
- Multiphase capability
- Green product and no Sb/Br
应用
车用, 音频, 电源管理
警告
该设备内置静电防护措施有限, 存放时引线应短接在一起, 或将设备放置在导电泡沫中, 以防止静电对MOS门造成损坏.
产品信息
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| 数量 | 价钱 (不含税) (含税) | 您所支付金额 (不含税) |
|---|---|---|
| 1+ | CNY40.66 CNY45.9458 | ( ) |
| 10+ | CNY34.55 CNY39.0415 | ( ) |
| 100+ | CNY29.96 CNY33.8548 | ( ) |
| 250+ | CNY23.80 CNY26.894 | ( ) |
| 数量 | 价钱 (不含税) (含税) | 您所支付金额 (不含税) |
|---|
定价不可用。 请联系客户服务。
1 (切割卷带 3008667) x 40.66 = CNY40.66
1 (切割卷带 3008667) x 45.9458 = CNY45.9458
总价: CNY40.66
( 不含税 )
总价: CNY45.95
( 含税 )
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