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Status

Active: In Production.

Data Sheet

FULL DATA SHEET (PDF, 488kB) Download   E-Mail

Description

The MAX8795A includes a high-performance step-up regulator, two linear-regulator controllers, and five high-current operational amplifiers for active-matrix, thin-film transistor (TFT), liquid-crystal displays (LCDs). Also included is a logic-controlled, high-voltage switch with adjustable delay. The step-up DC-DC converter provides the regulated supply voltage for the panel source driver ICs. The converter is a high-frequency (1.2MHz) current-mode regulator with an integrated 20V n-channel MOSFET that allows the use of ultra-small inductors and ceramic capacitors. It provides fast transient response to pulsed loads while achieving efficiencies over 85%. The gate-on and gate-off linear-regulator controllers provide regulated TFT gate-on and gate-off supplies using external charge pumps attached to the switching node. The MAX8795A includes five high-performance operational amplifiers. These amplifiers are designed to drive the LCD backplane (VCOM) and/or the gamma-correction divider string. The device features high output current (±130mA), fast slew rate (45V/µs), wide bandwidth (20MHz), and rail-to-rail inputs and outputs. The MAX8795A is available in a lead-free, 32-pin, thin QFN package with a maximum thickness of 0.8mm for ultra-thin LCD panels, as well as in a 32-pin LQFP package with 0.8mm pin pitch.

An evaluation kit is available:  MAX8795AEVKIT  

Key Features		Applications/Uses
2.5V to 5.5V Input Supply Range 1.2MHz Current-Mode Step-Up Regulator Fast Transient Response to Pulsed Load High-Accuracy Output Voltage (1%) Built-In 20V, 3A, 0.16Ω n-Channel MOSFET High Efficiency (85%) Linear-Regulator Controllers for VGON and VGOFF High-Performance Operational Amplifiers ±130mA Output Short-Circuit Current 45V/µs Slew Rate 20MHz, -3dB Bandwidth Rail-to-Rail Inputs/Outputs Logic-Controlled, High-Voltage Switch with Adjustable Delay Timer-Delay Fault Latch for All Regulator Outputs Thermal-Overload Protection 0.6mA Quiescent Current		Automotive Displays LCD Monitor Panels Notebook Computer Displays

Diagram

Minimal Operating Circuit

Evaluation Kits

MAX8795AEVKIT

Design Guides

Displays (PDF)

Reliability Reports

Reliability Report: MAX8795A.pdf Show FIT data for: MAX8795A

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-5 of 5

MAX8795A	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX8795AGCJ+			Active	LQFP;32 pin;82.8 mm² Outline Drawing: 21-0054 (PDF) Land Pattern: 90-0111 (PDF) Use pkgcode/variation: C32+2*	-40°C to +105°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX8795AGCJ+T			Active	LQFP;32 pin;82.8 mm² Outline Drawing: 21-0054 (PDF) Land Pattern: 90-0111 (PDF) Use pkgcode/variation: C32+2*	-40°C to +105°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX8795AETJ+T			Active	TQFN;32 pin;26 mm² Outline Drawing: 21-0140 (PDF) Land Pattern: 90-0001 (PDF) Use pkgcode/variation: T3255+3*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX8795AETJ+			Active	TQFN;32 pin;26 mm² Outline Drawing: 21-0140 (PDF) Land Pattern: 90-0001 (PDF) Use pkgcode/variation: T3255+3*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX8795AETJ+C7P			Active	TQFN;32 pin;26 mm² Outline Drawing: 21-0140 (PDF) Land Pattern: 90-0001 (PDF) Use pkgcode/variation: T3255+3*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis

More Information

New Product Press Release 2007-06-25

Related Products

MAX1542, MAX1542ETP, MAX1543 TFT LCD DC-to-DC Converter with Operational Amplifiers More Like This: View Product Families for Similar Products See All Multifunction PMICs (83 Products)

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