MAX618

更新时间： 2024-11-18 22:55:15

品牌	Logo	应用领域
美信 - MAXIM		转换器
页数	文件大小	规格书
14页	205K
描述
28V, PWM, Step-Up DC-DC Converter

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数据手册

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MAX618 数据手册

19-1462; Rev 0; 6/99

2 8 V, P WM, S t e p -Up DC-DC Co n ve rt e r

MAX618

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

Fe a t u re s

The MAX618 CMOS, PWM, step-up DC-DC converter

g e ne ra te s outp ut volta g e s up to 28V a nd a c c e p ts

inputs from +3V to +28V. An internal 2A, 0.3Ω switch

eliminates the need for external power MOSFETs while

supplying output currents up to 500mA or more. A

PWM control scheme combined with Idle Mode™ oper-

ation at light loads minimizes noise and ripple while

maximizing efficiency over a wide load range. No-load

operating current is 500µA, which allows efficiency up

to 93%.

♦ Adjustable Output Voltage Up to +28V

♦ Up to 93% Efficiency

♦ Wide Input Voltage Range (+3V to +28V)

♦ Up to 500mA Output Current at +12V

♦ 500µA Quiescent Supply Current

♦ 3µA Shutdown Current

♦ 250kHz Switching Frequency

♦ Small 1W 16-Pin QSOP Package

A fast 250kHz switching frequency allows the use of

small surface-mount inductors and capacitors. A shut-

down mode extends battery life when the device is not

in us e . Ad a p tive s lop e c omp e ns a tion a llows the

MAX618 to accommodate a wide range of input and

output voltages with a simple, single compensation

capacitor.

The MAX618 is available in a thermally enhanced 16-

pin QSOP package that is the same size as an industry-

s ta nd a rd 8-p in SO b ut d is s ip a te s up to 1W. An

e va lua tion kit (MAX618EVKIT) is a va ila b le to he lp

speed designs.

Ord e rin g In fo rm a t io n

PART

TEMP. RANGE

PIN-PACKAGE

MAX618EEE

-40°C to +85°C

16 QSOP

Ap p lic a t io n s

Automotive-Powered DC-DC Converters

Industrial +24V and +28V Systems

LCD Displays

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

Palmtop Computers

P in Co n fig u ra t io n

3V TO 28V

OUT

UP TO 28V

TOP VIEW

MAX618

GND

16 GND

15 PGND

14 PGND

13 PGND

12 GND

11 VL

SHDN

PGND

MAX618

SHDN

COMP

10 IN

COMP

GND

9 GND

QSOP

Idle Mode is a trademark of Maxim Integrated Products.

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...14

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与MAX618相关器件

型号	品牌	获取价格	描述	数据表
MAX618_09	MAXIM	获取价格	28V, PWM, Step-Up DC-DC Converter
MAX618EEE	MAXIM	获取价格	28V, PWM, Step-Up DC-DC Converter
MAX618EEE+	MAXIM	获取价格	28V, PWM, Step-Up DC-DC Converter
MAX618EEE+T	MAXIM	获取价格	Switching Regulator, Current/voltage-mode, 3A, 312kHz Switching Freq-Max, CMOS, PDSO16, 0.
MAX618EEE-T	MAXIM	获取价格	Switching Regulator, Current/voltage-mode, 3A, 312kHz Switching Freq-Max, CMOS, PDSO16, 0.
MAX618EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX618
MAX619	MAXIM	获取价格	Regulated 5V Charge-Pump DC-DC Converter
MAX619	ADI	获取价格	稳压型、5V电荷泵DC-DC转换器
MAX6190	MAXIM	获取价格	Precision, Micropower, Low-Dropout Voltage References
MAX6190A	MAXIM	获取价格	Precision, Micropower, Low-Dropout Voltage References

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