MAX1616

更新时间： 2024-11-25 23:45:47

品牌	Logo	应用领域
美信 - MAXIM		稳压器电脑
页数	文件大小	规格书
8页	94K
描述
High-Voltage.Low-Power Linear Regulators for Notebook Computers

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数据手册

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MAX1616 数据手册

19-1225; Rev 2; 1/98

Hig h -Vo lt a g e , Lo w -P o w e r Lin e a r Re g u la t o rs

fo r No t e b o o k Co m p u t e rs

5/MAX16

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

____________________________Fe a t u re s

♦ 4V to 28V Input Range

The MAX1615/MAX1616 are micropower, SOT23-5 lin-

ear regulators that supply always-on, keep-alive power

to CMOS RAM and microcontrollers (µCs) in systems

with high-voltage batteries. Key features include wide

input voltage range, low dropout voltage, and low qui-

escent supply current.

♦ 8µA (max) Quiescent Supply Current

♦ <1µA Shutdown Supply Current

♦ 3.3V or 5V, Pin-Selectable Output (MAX1615)

Adjustable 1.24V to 28V Output (MAX1616)

Despite a miserly 8µA (max) no-load supply current, the

MAX1615/MAX1616 ha ve e xc e lle nt line -tra ns ie nt

response and AC power-supply rejection ratio. They

provide a clean, fixed 5V or 3.3V output (MAX1615) or

an adjustable 1.24V to 28V output (MAX1616), even

when subjected to fast supply-voltage changes that

occur during the switchover from battery to AC adapter

input power. The space-saving SOT23-5 package has

excellent thermal characteristics and tolerates up to

571mW of power dissipation. Fault protection is provid-

ed by internal foldback current limiting and thermal-

shutdown circuitry.

♦ 30mA Output Current

♦ ±2% Initial Output Accuracy

♦ Thermal-Overload Protection

♦ 5-Pin SOT23 Package

♦ Low Cost

_______________Ord e rin g In fo rm a t io n

________________________Ap p lic a t io n s

CMOS/RTC Backup Power

Microcontroller Power

PIN-

SOT

PART

TEMP. RANGE

PACKAGE TOP MARK

Notebook Computers

MAX1615EUK-T -40°C to +85°C 5 SOT23-5

MAX1616EUK-T -40°C to +85°C 5 SOT23-5

ABZD

ABZE

Smart-Battery Packs

PDAs and Handy-Terminals

Battery-Powered Systems

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

___________________P in Co n fig u ra t io n

TOP VIEW

OUTPUT

VOLTAGE

OUT

SHDN

GND

OUT

MAX1615

0.1µF

OUT

4.7µF

BATTERY

MAX1615

MAX1616

SHDN

GND

5/3

5/3 (FB)

SOT23-5

( ) ARE FOR MAX1616.

________________________________________________________________ Maxim Integrated Products

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

For small orders, phone 408-737-7600 ext. 3468.

12 3 4 5 6 7 8

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