Datasheet > MAX1599

MAX1599

更新时间： 2024-11-02 14:57:43

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
10页	230K
描述
高效率、26V、升压型转换器，用于2到6只白光LED

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中文翻译

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数据手册

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MAX1599 数据手册

19-2731; Rev 1; 10/03

Hig h -Effic ie n c y, 2 6 V S t e p -Up Co n ve rt e rs

fo r Tw o t o S ix Wh it e LEDs

Ge n e ra l De s c rip t io n

Fe a t u re s

The MAX1561/MAX1599 step-up converters drive up to

six white LEDs with a constant current to provide back-

lig ht in c e ll p hone s , PDAs , a nd othe r ha nd -he ld

devices. The step-up converter topology allows series

connection of the white LEDs so the LED currents are

identical for uniform brightness. This configuration elim-

inates the need for ballast resistors and expensive fac-

tory calibration.

♦ Accurate Current Regulation for Uniform

Illumination

♦ High Efficiency Up to 87%

♦ Flexible Analog or PWM Dimming Control

♦ Up to 900mW Output Power with Internal 30V

MOSFET Switch

♦ Fast 1MHz (MAX1561) or 500kHz (MAX1599) PWM

The MAX1561/MAX1599 include an internal, high-volt-

Operation

age, low-R

N-channel MOSFET switch for high

DS(ON)

♦ Small, Low-Profile External Components

♦ 2.6V to 5.5V Input Range

e ffic ie nc y a nd ma ximum b a tte ry life . A s ing le Dua l

Mode™ input provides a simple means of brightness

adjustment and on/off control. Fast 1MHz (500kHz for

the MAX1599) current-mode, pulse-width modulated

(PWM) op e ra tion a llows for s ma ll inp ut a nd outp ut

capacitors and a small inductor while minimizing ripple

on the input supply/battery. Programmable soft-start

eliminates inrush current during startup.

♦ 26V (max) Output with Overvoltage Protection

♦ Optimized for Low 15mV

Input Ripple

P-P

♦ Soft-Start with Zero Inrush Current

♦ 0.3µA Shutdown Current

♦ Tiny 8-Pin 3mm x 3mm Thin DFN Package

Both devices are available in a space-saving, 8-pin 3mm

x 3mm thin DFN package with exposed paddle (EP).

Ord e rin g In fo rm a t io n

Ap p lic a t io n s

Cell Phones and Smart Phones

TOP

MARK

PART

TEMP RANGE PIN-PACKAGE

PDAs, Palmtops, and Wireless Handhelds

e-Books and Subnotebooks

8 TDFN-EP*

MAX1561ETA -40°C to +85°C

MAX1599ETA -40°C to +85°C

ACS

AHG

White LED Display Backlighting

*EP = Exposed paddle.

P in Co n fig u ra t io n

Typ ic a l Op e ra t in g Circ u it

INPUT 2.6V TO 5.5V

TOP VIEW

OUTPUT UP TO 6 LEDs

MAX1561

MAX1599

OUT

MAX1561

MAX1599

PGND

GND

COMP

CTRL

PWM OR

ANALOG

DIMMING

CTRL

PGND

3mm × 3mm

THIN DFN

COMP

GND

Dual Mode is a trademark of Maxim Integrated Products, Inc.

________________________________________________________________ Maxim Integrated Products

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.

12 3 4 5 6 7...10

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与MAX1599相关器件

型号	品牌	获取价格	描述	数据表
MAX1599ETA	MAXIM	获取价格	High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs
MAX1599ETA+	MAXIM	获取价格	LED Driver, 1-Segment, BICMOS, PDSO8, 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEEC, TDFN-16
MAX1599ETA+T	ROCHESTER	获取价格	LED DISPLAY DRIVER, PDSO8, 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEEC, TDFN-16
MAX1599ETA+T	MAXIM	获取价格	LED Driver, 1-Segment, BICMOS, PDSO8, 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEEC, TDFN-16
MAX1599ETA-T	MAXIM	获取价格	LED Driver, 1-Segment, BICMOS, PDSO8, 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEEC, TDFN-16
MAX159ACPA	MAXIM	获取价格	+2.7V, Low-Power, 2-Channel, 108ksps, Serial 10-Bit ADCs in 8-Pin ?MAX
MAX159ACPA+	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDIP8, 0.30
MAX159ACUA	MAXIM	获取价格	+2.7V, Low-Power, 2-Channel, 108ksps, Serial 10-Bit ADCs in 8-Pin ?MAX
MAX159ACUA+T	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 2 Channel, Serial Access, CMOS, PDSO8, M0-1
MAX159ACUA-T	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 2 Channel, Serial Access, CMOS, PDSO8, M0-1

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