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PDF FP6783 Data sheet ( Hoja de datos )
| Número de pieza | FP6783 | |
| Descripción | Integrated Multi-Channel DC-DC Converters | |
| Fabricantes | Fiti | |
| Logotipo |  |
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fitipower integrated technology lnc.
FP6783
Integrated Multi-Channel
DC-DC Converters for TFT LCD Panels
Description
The FP6783 is an integrated power supply solution
optimized for medium to large size thin-film transistor
(TFT) liquid crystal displays (LCD’s).
The boost converter operates at a frequency of
1.2MHz. The integrated N-channel FET has a typical
current limit of 4.5A and can support output voltage
up to 18V.
A positive charge pump with an integrated driver can
produce up to 36V of positive gate drive.
The GPM is a flicker compensation circuit to reduce
the coupling effect of gate lines; the gate-shaping
timing is controlled by the timing-controller to
modulate the Gate-On voltage, VGHM. It also can
delay the Gate-On voltage during power-on to
achieve a correct power-on delay time and the falling
time of the Gate-On voltage are programmable by
external capacitor and resistor.
The FP6783 is available in a thin 20-pin 5x5 mm
TQFN green package.
Features
2.5V to 5.5V Input Supply
1.2MHz Switching Frequency
Current-Mode Boost Regulator
— Integrated 18V/4.5A FET
— Fast Transient Response to Pulsed Load
— High Efficiency
GPM Controller with Adjustable Falling Time
— Flicker Compensator
— Power-on Sequence Control
Over-Temperature Protection
Over-Current Protection
Over-Voltage Protection
Under-Voltage Protection
Charge Pump for VGH Regulation
Charge Pump for VGL Regulation
TQFN-20 Exposed Pad Package
ROHS Compliant
Applications
TFT LCD for Notebook
TFT LCD for Monitor
TFT LCD for TV
Pin Assignments
WQ Package (TQFN-20)(5mm x 5mm)
Ordering Information
FP6783□□□
TR: Tape/Reel
ADJ 1
VIN 2
VIN 3
SW 4
SW 5
20 19 18 17 16
21
6 7 8 9 10
15 VREF
14 FBN
13 AGND
12 DRVP
11 DRVN
C: Green
Package Type
WQ: TQFN-20 (5mm x 5mm)
Figure 1. Pin Assignment of FP6783
FP6783-Preliminary 0.3-NOV-2012
1
1 page  
fitipower integrated technology lnc.
FP6783
Absolute Maximum Ratings
● VIN to AGND -------------------------------------------------------------------------------------------------- 7V
● SUP,SW to PGND -------------------------------------------------------------------------------------------- 20V
● VGH to PGND ------------------------------------------------------------------------------------------------- 40V
● Input Voltage (FB, FBN, FBP, CTL) ---------------------------------------------------------------------- VIN + 0.3V
● Output Voltage (COMP, VREF) --------------------------------------------------------------------------- VIN + 0.3V
● Output voltage 2 (ADJ, VGHM) --------------------------------------------------------------------------- VGH + 0.3V
● Output voltage 3 (DRVP, DRVN) ------------------------------------------------------------------------- SUP + 0.3V
● Continuous Power Dissipation (TA=+25°C)
TQFN-20 (5mmx5mm) ------------------------------------------------------------------------- 2.5W
● Package Thermal Resistance,TQFN-20 (5mmx5mm) (θJA) ---------------------------------------
TQFN-20 (5mmx5mm) ------------------------------------------------------------------------- 40°C/W
● Operating Junction Temperature Range (TJ) ---------------------------------------------------------- -40°C to +150°C
● Storage Temperature Range ------------------------------------------------------------------------------ -65°C to +150°C
Note1：Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
Recommended Operating Conditions
● Supply Voltage VIN ------------------------------------------------------------------------------------------- +2.5V to +5.5V
● Operation Temperature Range --------------------------------------------------------------------------- -40°C to +85°C
FP6783-Preliminary 0.3-NOV-2012
5
5 Page 
fitipower integrated technology lnc.
FP6783
Outline Information
TQFN-20 5mm×5mm (pitch 0.65mm) Package (Unit: mm)
SYMBOLS
UNIT
DIMENSION IN MILLIMETER
MIN MAX
A 0.70 0.80
A1 0.00
0.05
C 0.18 0.25
E 4.95 5.05
E1 1.25
3.25
D 4.95 5.05
D1 1.25
3.25
L 0.35 0.75
b 0.25 0.35
e 0.60 0.70
Note：Followed From JEDEC MO-220.
Carrier Dimensions
Life Support Policy
Fitipower’s products are not authorized for use as critical components in life support devices or other medical systems
FP6783-Preliminary 0.3-NOV-2012
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet FP6783.PDF ] | |
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