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MAX886_EUK25

Description
Low-Noise, Low-Dropout, 150mA Linear Regulators in SOT23
File Size109KB,8 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet View All

MAX886_EUK25 Overview

Low-Noise, Low-Dropout, 150mA Linear Regulators in SOT23

19-1302; Rev 1; 3/98
Low-Noise, Low-Dropout,
150mA Linear Regulators in SOT23
_______________General Description
The MAX8867/MAX8868 low-noise, low-dropout linear
regulators operate from a 2.5V to 6.5V input and deliver
up to 150mA. Typical output noise for these devices is
just 30µV
RMS
, and typical dropout is only 165mV at
150mA. The output voltage is preset to voltages in the
range of 2.5V to 5.0V, in 100mV increments. The
MAX8867 and MAX8868 are pin-compatible with the
MAX8863 and MAX8864, except for the BP pin.
Designed with an internal P-channel MOSFET pass
transistor, the MAX8867/MAX8868 maintain a low
100µA supply current, independent of the load current
and dropout voltage. Other features include a 10nA
logic-controlled shutdown mode, short-circuit and ther-
mal-shutdown protection, and reverse battery protec-
tion. The MAX8868 also includes an auto-discharge
function, which actively discharges the output voltage
to ground when the device is placed in shutdown. Both
devices come in a miniature 5-pin SOT23 package.
____________________________Features
o
Low Output Noise: 30µV
RMS
o
Low 55mV Dropout at 50mA Output
(165mV at 150mA output)
o
Low 85µA No-Load Supply Current
o
Low 100µA Operating Supply Current
(even in dropout)
o
Thermal-Overload and Short-Circuit Protection
o
Reverse Battery Protection
o
Output Current Limit
o
Preset Output Voltages (±1.4% accuracy)
o
10nA Logic-Controlled Shutdown
MAX8867/MAX8868
________________________Applications
Cellular Telephones
Cordless Telephones
PCS Telephones
PCMCIA Cards
Modems
Hand-Held Instruments
Palmtop Computers
Electronic Planners
______________Ordering Information
PART**
MAX8867C/Dxy
MAX8867EUKxy-T
MAX8868C/Dxy
MAX8868EUKxy-T
TEMP. RANGE
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
PIN-PACKAGE
Dice*
5 SOT23-5
Dice*
5 SOT23-5
__________________Pin Configuration
TOP VIEW
SHDN
1
5
BP
*
Dice are tested at T
A
= +25°C.
**xy
is the output voltage code (see Expanded Ordering
Information table).
___Expanded Ordering Information
OUTPUT
VOLTAGE (xy)
CODE
MAX886_EUK25
PRESET
OUTPUT
VOLTAGE
(V)
2.50
2.80
2.84
3.00
3.15
3.30
3.60
5.00
x.y0
SOT TOP MARK
MAX8867
ACAY
ACAZ
ACBA
ACBB
ACBC
ACBD
ACCZ
ACBE
MAX8868
ACBF
ACBG
ACBH
ACBI
ACBJ
ACBK
ACDA
ACBL
GND
2
MAX8867
MAX8868
4
OUT
IN
3
SOT23-5
MAX886_EUK28
MAX886_EUK29
MAX886_EUK30
MAX886_EUK32
MAX886_EUK33
MAX886_EUK36
MAX886_EUK50
Other xy***
__________Typical Operating Circuit
INPUT
2.5V TO 6.5V
IN
C
IN
1µF
OUT
C
OUT
1µF
OUTPUT
PRESET
2.5V TO 5.0V
150mA
MAX8867
MAX8868
SHDN
C
BP
0.01µF
BP
GND
ON
OFF
***Other
xy between 2.5V and 5.0V are available in 100mV incre-
ments. Contact factory for other versions. Minimum order
quantity is 25,000 units.
1
________________________________________________________________
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.
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