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MAX1513AETP+

Description
display drivers & controllers tft-lcd power supply controller
Categorysemiconductor    Other integrated circuit (IC)   
File Size519KB,28 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance  
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MAX1513AETP+ Overview

display drivers & controllers tft-lcd power supply controller

MAX1513AETP+ Parametric

Parameter NameAttribute value
ManufactureMaxim Integrated
Product CategoryDisplay Drivers & Controllers
RoHSYes
PackagingTube
Development KiMAX1513EVKIT
Factory Pack Quantity75
19-3047; Rev 0; 10/03
IT
TION K
VALUA
E
BLE
AVAILA
TFT-LCD Power-Supply Controllers
General Description
Features
2.7V to 5.5V Input Supply Range
Input-Supply Undervoltage Lockout
Current-Mode Step-Up Controller
Fast Transient Response to Pulsed Load
High Efficiency
Lossless Current Sensing
430kHz/750kHz/1.5MHz Switching Frequency
Linear-Regulator Controllers for V
GON
, V
GOFF
Linear-Regulator Controller for Logic Supply
High-Performance Buffer Amplifier (MAX1513 Only)
Additional Linear-Regulator Controller
(MAX1513 Only)
Power-Up Sequence and V
GON
Delay Control
V
MAIN
, V
GON
, V
GOFF
, V
GAMMA
Shutdown Control
Timer-Delay Fault Latch for All Outputs
Thermal-Overload Protection
MAX1513/MAX1514
The MAX1513/MAX1514 provide complete power-sup-
ply solutions for active-matrix thin-film transistor (TFT)
liquid-crystal displays (LCDs). Both devices include a
high-performance step-up regulator controller, three lin-
ear-regulator controllers, and an adjustable delay block
for startup sequencing. The MAX1513 includes an
additional linear-regulator controller and a high-perfor-
mance buffer amplifier. The MAX1513/MAX1514 can
operate from 2.7V to 5.5V input supplies and provide
overload protection with timer delay latch on all the reg-
ulated outputs.
The step-up regulator controller drives an external N-
channel MOSFET to generate the regulated supply volt-
age for the panel source-driver ICs. Its current-mode
control architecture provides fast transient response to
pulsed loads. The high switching frequency (up to
1.5MHz) allows the use of ultra-small inductors and
ceramic capacitors while achieving efficiencies over 85%
using lossless current sensing. The internal soft-start lim-
its the input surge current during startup.
The gate-on and gate-off linear-regulator controllers of
the MAX1513/MAX1514 provide regulated TFT gate-on
and gate-off supplies. The gate-on supply is activated
after an adjustable delay following the step-up regulator.
The logic linear-regulator controller can be used to cre-
ate a low-voltage logic supply. The gamma linear-regula-
tor controller of the MAX1513 can be used to generate a
gamma-correction reference supply or another general-
purpose supply rail. The MAX1513’s high-performance
buffer amplifier can drive the LCD backplane (VCOM)
or the gamma-correction divider string.
The MAX1513/MAX1514 are available in 4mm
4mm
20-pin thin QFN packages with a maximum thickness of
0.8mm, suitable for ultra-thin LCD panel design.
Ordering Information
PART
MAX1513ETP
MAX1514ETP
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
20 Thin QFN 4mm x 4mm
20 Thin QFN 4mm x 4mm
Minimal Operating Circuit
V
IN
IN
CS+
CS-
SDFR
GATE
GND
FB
V
MAIN
DEL
Applications
Notebook Computer Displays
LCD Monitors and TVs
Automotive Displays
V
MAIN
DRVG
V
GAMMA
FBG
V
LOGIC
DRVL
FBL
MAX1513
MAX1514
DRVP
FBP
V
GON
SUPB
DRVN
FBPB
FBN
V
GOFF
Pin Configuration appears at end of data sheet.
TO VCOM
OUTB
REF
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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MAX1513AETP+ MAX1513AETP+T MAX1513ETP+
Description display drivers & controllers tft-lcd power supply controller display drivers & controllers tft-lcd power supply controller display drivers & controllers tft-lcd power supply controller
Manufacture Maxim Integrated Maxim Integrated -
Product Category Display Drivers & Controllers Display Drivers & Controllers -
RoHS Yes Yes -
Packaging Tube Reel -
Development Ki MAX1513EVKIT MAX1513EVKIT -
Factory Pack Quantity 75 2500 -
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