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PDF ( 数据手册 , 数据表 ) NT50198

零件编号 NT50198
描述 TFT-LCD 3-Channel Charge Pump Power IC
制造商 Novatek
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NT50198 数据手册, 描述, 功能
NT50198
NT50198
TFT-LCD 3-Channel Charge Pump Power IC
Draft Spec.
Version 0.05
2012/08/22
2012/08/22
1 Version 0.05
With respect to the information represented in this document, NOVATEK makes no warranty, expressed or implied, including the warranties of merchantability, fitness for a
particular purpose, and non-infringement, nor assumes any legal liability or responsibility for the accuracy, completeness or usefulness of any such information.







NT50198 pdf, 数据表
3.3 16 pins block diagram case2
NT50198
VCI
VCI
(2.5 ~ 3.2V)
EN_PWR
(1.65 ~ 4.8V)
EN_VCL
(1.65 ~ 4.8V)
NT50198
I/O EN_PWR
AVDD
Charge
Pump
Controller
AVEE
Charge
Pump
AVDD
AVEE
PSYNC
(1.65 ~ 4.8V)
GND
I/O HSOUT
VCL
Charge
Pump
VCL
Figure3 16 pins block diagram for AVDD / AVEE / VCL / VCI
Note1: please use EN_VCL pin to control the output state of VCL output pin.
Note2: If VCI input voltage is larger than 3.2V, please tie EN_VCL to GND because of MV device stress.
(It means it can not output VCL voltage at VCI > 3.2v case, or power IC will be damaged)
2012/08/22
8 Version 0.05
With respect to the information represented in this document, NOVATEK makes no warranty, expressed or implied, including the warranties of merchantability, fitness for a particular purpose, and non-infringement, nor assumes any legal liability or responsibility
for the accuracy, completeness or usefulness of any such information.







NT50198 equivalent, schematic
AVDD pre-charge to GND: control by EN_DIS2GND (CP option)
NT50198
VCI
EN_PWR
(1) EN_DIS2GND=1
AVDD
VCL
AVEE
(1) EN_DIS2GND=0
AVDD
VCL
AVEE
GND
GND
GND
GND
GND
GND
GND
GND
>1ms
0.5~2ms
VCI
AVDD
1~2ms
VCI
0.5~2ms
AVEE
0.5~1ms
0.5~2ms
VCI
AVDD
0.5~2ms
AVEE
0.5~1ms
>10ms
VCI
0.5~2ms
GND
2~8ms
GND
GND
VCI
0.5~2ms
GND
GND
GND
GND
GND
2012/08/22
16 Version 0.05
With respect to the information represented in this document, NOVATEK makes no warranty, expressed or implied, including the warranties of merchantability, fitness for a particular purpose, and non-infringement, nor assumes any legal liability or responsibility
for the accuracy, completeness or usefulness of any such information.










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