MAX870

更新时间： 2024-10-31 22:12:27

品牌	Logo	应用领域
美信 - MAXIM		开关
页数	文件大小	规格书
8页	100K
描述
Switched-Capacitor Voltage Inverters

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中文翻译

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数据手册

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MAX870 数据手册

19-1240; Rev 0; 6/97

S w it c h e d -Ca p a c it o r Vo lt a g e In ve rt e rs

0/MAX871

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

____________________________Fe a t u re s

♦ 5-Pin SOT23-5 Package

The ultra-small MAX870/MAX871 monolithic, CMOS

charge-pump inverters accept input voltages ranging

from +1.4V to +5.5V. The MAX870 operates at 125kHz,

and the MAX871 operates at 500kHz. Their high efficien-

c y (90%) a nd low op e ra ting c urre nt (0.7mA for the

MAX870) make these devices ideal for both battery-pow-

ered and board-level voltage-conversion applications.

♦ 99% Voltage Conversion Efficiency

♦ Invert Input Supply Voltage

♦ 0.7mA Quiescent Current (MAX870)

♦ +1.4V to +5.5V Input Voltage Range

♦ Require Only Two Capacitors

♦ 25mA Output Current

Oscillator control circuitry and four power MOSFET

s witc he s a re inc lud e d on-c hip . A typ ic a l MAX870/

MAX871 application is generating a -5V supply from a

+5V logic supply to power analog circuitry. Both parts

come in a 5-pin SOT23-5 package and can deliver 25mA

with a voltage drop of 500mV.

♦ Shutdown Control

For applications requiring more power, the MAX860

delivers up to 50mA with a voltage drop of 600mV, in a

space-saving µMAX package.

______________Ord e rin g In fo rm a t io n

PIN-

SOT

PART

TEMP. RANGE

PACKAGE TOP MARK

________________________Ap p lic a t io n s

Local -5V Supply from 5V Logic Supply

Small LCD Panels

MAX870C/D

0°C to +70°C

Dice*

—

MAX870EUK -40°C to +85°C

MAX871C/D 0°C to +70°C

MAX871EUK -40°C to +85°C

* Dice are tested at T = +25°C.

5 SOT23-5

Dice*

ABZN

—

5 SOT23-5

ABZO

Cell Phones

Medical Instruments

Handy-Terminals, PDAs

Battery-Operated Equipment

__________________P in Co n fig u ra t io n

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

TOP VIEW

INPUT

SUPPLY

VOLTAGE

C1+

MAX870

MAX871

OUT

C1+

MAX870

MAX871

C1-

NEGATIVE

OUTPUT

VOLTAGE

OUT

C1-

GND

SOT23-5

NEGATIVE VOLTAGE CONVERTER

________________________________________________________________ Maxim Integrated Products

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

12 3 4 5 6 7 8

中文翻译

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与MAX870相关器件

型号	品牌	获取价格	描述	数据表
MAX8702	MAXIM	获取价格	Dual-Phase MOSFET Drivers with Temperature Sensor
MAX8702ETP	ROCHESTER	获取价格	2 CHANNEL, HALF BRDG BASED MOSFET DRIVER, QCC20, 4 X 4 MM, 0.80 MM HEIGHT, MO-220WGGD-1, Q
MAX8702ETP	MAXIM	获取价格	Dual-Phase MOSFET Drivers with Temperature Sensor
MAX8702ETP+	MAXIM	获取价格	Half Bridge Based MOSFET Driver, BICMOS, 4 X 4 MM, 0.80 MM HEIGHT, MO-220WGGD-1, QFN-20
MAX8703	MAXIM	获取价格	Dual-Phase MOSFET Drivers with Temperature Sensor
MAX8703ETP	MAXIM	获取价格	Dual-Phase MOSFET Drivers with Temperature Sensor
MAX8704	MAXIM	获取价格	High-Current, Low-Voltage Linear Regulator with Power-Limited, External MOSFET
MAX8704EUB	MAXIM	获取价格	High-Current, Low-Voltage Linear Regulator with Power-Limited, External MOSFET
MAX8704EUB+	ROCHESTER	获取价格	ADJUSTABLE POSITIVE REGULATOR, PDSO10, 3 X 3 MM, ROHS COMPLIANT, MO-187CBA, MICRO, SOP-10
MAX8704EUB+	MAXIM	获取价格	Adjustable Positive Standard Regulator, 0.5V Min, 1.5V Max, BICMOS, PDSO10, 3 X 3 MM, ROHS

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