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参数资料
| 型号： | TPS61140DRCT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.26 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3 X 3 MM, GREEN, PLASTIC, QFN-10 |
| 文件页数： | 5/25页 |
| 文件大小： | 776K |
| 代理商： | TPS61140DRCT |
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ENABLE
SLVS624B – JANUARY 2006 – REVISED MARCH 2007
DETAILED DESCRIPTION (continued)
Pulling either the SELI or SELV pin low turns off the corresponding output. If both SELI and SELV are low for
more than 40 ms, the IC shuts down and consumes less than 1
A current. When only the current output is
selected for driving WLED, the SELI pin can be used for PWM brightness dimming. To improve PWM dimming
linearity, soft start is disabled if the time between falling and rising edges of two adjacent SELI pulses is less
than 40 ms. See APPLICATION INFORMATION for details on PWM dimming.
Each SELx input pin has an internal pull down resistor to disable the device when the pin is floating.
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