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NT50198 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - TFT-LCD 3-Channel Charge Pump Power IC - Novatek

भाग संख्या NT50198
समारोह TFT-LCD 3-Channel Charge Pump Power IC
मैन्युफैक्चरर्स Novatek 
लोगो Novatek लोगो 
पूर्व दर्शन
1 Page
		
<?=NT50198?> डेटा पत्रक पीडीएफ

NT50198 pdf
NT50198
Index
Index.............................................................................................................................................................................2
Reversion History .........................................................................................................................................................4
1. General Description ..................................................................................................................................................5
2. Features....................................................................................................................................................................5
3. Block Diagram and Operating Circuit .......................................................................................................................6
3.1 12 pins block diagram....................................................................................................................................................................................................6
3.2 16 pins block diagram case1 ..........................................................................................................................................................................................7
3.3 16 pins block diagram case2 ..........................................................................................................................................................................................8
4. Pin Description and package ....................................................................................................................................9
4.1 TDFN-12 pin ....................................................................................................................................................................................................................9
4.2 TDFN-12 package ............................................................................................................................................................................................................9
4.3 TDFN-16 pin ..................................................................................................................................................................................................................10
4.4 TDFN-16 package ..........................................................................................................................................................................................................10
4.5 QFN-16 pin.....................................................................................................................................................................................................................11
4.6 QFN-16 pins package .....................................................................................................................................................................................................11
5. External Component List ........................................................................................................................................12
5.1 12 pins component list....................................................................................................................................................................................................12
5.2 16 pins component list....................................................................................................................................................................................................12
6. Application information ...........................................................................................................................................13
: :6.1 Power on / off sequence ...........................................................................................................................................................................................14
Case 1: EN_VCL = 1 and EN_VCL_FR = 0 (CP option): ............................................................................................................................................14
Case 2: EN_VCL = 1 and EN_VCL_FR = 1 (CP option): ............................................................................................................................................14
Case 3: EN_VCL = 0 and EN_VCL_FR = 0 (CP option): ............................................................................................................................................15
Case 4: EN_VCL = 0 and EN_VCL_FR = 1 (CP option): ............................................................................................................................................15
AVDD pre-charge to GND: control by EN_DIS2GND (CP option) .............................................................................................................................16
: :6.2 Positive Charge Pump Controller .............................................................................................................................................................................17
: :6.3 Negative Charge Pump Controller ...........................................................................................................................................................................17
: :6.4 Application Note ......................................................................................................................................................................................................17
6.5 Typical characteristic:..................................................................................................................................................................................................18
6.5.1 Output voltage V.S. Output current with VCL (Vin = 3V , room temperature ) ...................................................................................................18
6.5.2 Efficiency V.S. output current with VCL(Vin = 3V , room temperature ) ............................................................................................................19
6.5.3 Output voltage V.S. Output current of without VCL (Vin = 3V , room temperature ) ..........................................................................................20
6.5.4 Efficiency V.S. output current of without VCL (Vin = 3V , room temperature ) ..................................................................................................21
6.6 Two ways to enhance output current capability: ..........................................................................................................................................................22
6.6.1: Dickson doubler circuit:......................................................................................................................................................................................22
6.6.2: External component table of Dickson doubler circuit: ........................................................................................................................................22
6.6.3: Power On / off sequence with external Dickson mode:.......................................................................................................................................23
6.6.4: Paralleling two device circuit:.............................................................................................................................................................................24
6.6.5: External component of Paralleling two device circuit:........................................................................................................................................26
2012/08/22
2 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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