MAX17062 Maxim Integrated Products, MAX17062 Datasheet

MAX17062

Manufacturer Part Number

MAX17062

Description

TFT-LCD Step-Up DC-DC Converter

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX17062.pdf (14 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

MAX17062ETB

Manufacturer:

MAXIM/美信

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

MAX17062ETB+T

Manufacturer:

MAXIM/美信

Quantity:

20 000

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The MAX17062 is a high-performance step-up DC-DC

converter that provides a regulated supply voltage for

active-matrix thin-film transistor (TFT) liquid-crystal dis-

plays (LCDs). The MAX17062 incorporates current-

mode, fixed-frequency, pulse-width modulation (PWM)

circuitry with a built-in n-channel power MOSFET to

achieve high efficiency and fast-transient response.

Users can select 640kHz or 1.2MHz operation using a

logic input pin (FREQ). The high switching frequencies

allow the use of ultra-small inductors and low-ESR

ceramic capacitors. The current-mode architecture pro-

vides fast transient response to pulsed loads. A com-

pensation pin (COMP) gives users flexibility in adjusting

loop dynamics. The 22V internal MOSFET can generate

output voltages up to 20V from an input voltage

between 2.6V and 5.5V. Soft-start slowly ramps the input

current and is programmed with an external capacitor.

The MAX17062 is available in a 10-pin TDFN package.

19-1042; Rev 0; 10/07

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

Notebook Computer Displays

LCD Monitor Panels

LCD TV Panels

TOP VIEW

*EP = EXPOSED PAD.

________________________________________________________________ Maxim Integrated Products

(3mm x 3mm)

General Description

MAX17062

TDFN

Pin Configuration

TFT-LCD Step-Up DC-DC Converter

Applications

*EP

o 90% Efficiency

o Adjustable Output from V

o 2.6V to 5.5V Input Supply Range

o Input Supply Undervoltage Lockout

o Pin-Programmable 640kHz/1.2MHz Switching

o Programmable Soft-Start

o Improved EMI

o FB Regulation Voltage Tolerance < 1%

o Small 10-Pin TDFN Package

o Thermal-Overload Protection

+ Denotes a lead-free package.

*EP = Exposed pad.

T = Tape and reel.

MAX17062ETB+T

2.6V TO 5.5V

Frequency

PART

Minimal Operating Circuit

-40°C to +85°C

TEMP RANGE

FREQ

SHDN

Ordering Information

MAX17062

AGND

to 20V

PIN-

PACKAGE

10 TDFN-EP*

(3mm x 3mm)

COMP

PGND

Features

T1033-2

CODE

PKG

OUT

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