MAX1806EUA25 Maxim Integrated Products, MAX1806EUA25 Datasheet

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MAX1806EUA25

Manufacturer Part Number
MAX1806EUA25
Description
SOP8
Manufacturer
Maxim Integrated Products
Datasheets

Specifications of MAX1806EUA25

Date_code
04+

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The MAX1806 low-dropout linear regulator operates
from a +2.25V to +5.5V supply and delivers a guaran-
teed 500mA load current with low 175mV dropout. The
high-accuracy (±1%) output voltage is preset at an
internally trimmed voltage (see Selector Guide) or can
be adjusted from +0.8V to +4.5V with an external resis-
tive-divider.
An internal PMOS pass transistor allows low 210µA
supply current, making this device ideal for portable
equipment such as personal digital assistants (PDAs),
cellular phones, cordless phones, and other equip-
ment, including base stations and docking stations.
Other features include an active-low, power-OK output
that indicates when the output is out of regulation, a
0.02µA shutdown mode, short-circuit protection, and
thermal shutdown protection. The MAX1806 comes in a
miniature 1.3W, 8-pin power-µMAX package with a
metal pad on the underside of the package.
19-2018; Rev 0; 4/01
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.
+2.25V TO +5.5V
500mA, Low-Voltage Linear Regulator in µMAX
ON
1µF
C
IN
V
Notebook Computers
Cellular and Cordless Telephones
PDAs
Palmtop Computers
Base Stations
USB Hubs
Docking Stations
IN
OFF
Typical Operating Circuit
SET
IN
NC
SHDN
________________________________________________________________ Maxim Integrated Products
MAX1806
General Description
GND
OUT
POK
Applications
R
100kΩ
POK
0.8V TO 4.5V
C
10µF
V
OUT
OUT
TO
µC
o Guaranteed 500mA Output Current
o Output Down to 0.8V
o Low 175mV Dropout at 500mA
o ±1% Output Voltage Accuracy
o Power-OK Output
o Low 210µA Ground Current
o 0.02µA Shutdown Current
o Thermal Overload Protection
o Output Current Limit
o Tiny 1.3W, 8-Pin Power-µMAX Package
MAX1806EUA_ _
PART AND SUFFIX
MAX1806EUA33
MAX1806EUA25
MAX1806EUA18
MAX1806EUA15
MAX1806EUA08
Preset at 0.8V, 1.5V, 1.8V, 2.5V, or 3.3V
Adjustable from 0.8V to 4.5V
TOP VIEW
PART
SHDN
POK
IN
IN
1
2
4
3
Ordering Information
-40°C to +85°C
T EM P. R A N G E
MAX1806
V
µMAX
OUT
3.3
2.5
1.8
1.5
0.8
Pin Configuration
(V)
Selector Guide
7
6
5
8
OUT
SET
OUT
GND
PIN-PACKAGE
8 Power-µMAX
TOP MARK
Features
AAAG
AAAH
AAAK
AAAJ
AAAI
1

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