參數(shù)資料
型號: TPS65110RGE
廠商: Texas Instruments, Inc.
英文描述: LTPS LCD BIAS POWER SUPPLY TRIPLE CHARGE PUMP
中文描述: 低溫多晶硅LCD偏置電源三聯(lián)電荷泵
文件頁數(shù): 12/15頁
文件大?。?/td> 231K
代理商: TPS65110RGE
SLVS495 SEPTEMBER 2003
www.ti.com
12
Power-Down Sequencing
When the enable pin EN is pulled low, the device starts its power-down sequencing. The VDD output goes down
first. When the output voltage VDD has reached 70% of its nominal value, the VSS output goes down next.
When VSS has reached 70% of the nominal value, the positive output VCC finally goes down. The TPS6511x
ensures this power-down sequence even in
the case of a sudden V
I
drop.
2.3 V
2
2.2 V
1
1
1
1
x0.75
3
3
x0.7
2
x0.7
x0.7
x0.75
4
x0.7
4
5
x0.7
2
x0.7
3
2
3
4
1
1
2
VIN
EN
Vref
(Internal)
VCC
VSS
VDD
SYS_EN
(Internal)
Power Sequence
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