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參數(shù)資料
| 型號(hào)： | MAX1589EZT___-T |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Input-Voltage, 500mA LDO Regulator with RESETin SOT and TDFN |
| 中文描述： | 低輸入電壓，500mA的LDO穩(wěn)壓器采用SOT與RESETin和TDFN |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 363K |
| 代理商： | MAX1589EZT___-T |
General Description
The MAX1589 low-dropout linear regulator operates
from a +1.62V to +3.6V supply and delivers a guaran-
teed 500mA continuous load current with a low 175mV
dropout. The high-accuracy (±0.5%) output voltage is
preset to internally trimmed voltages from +0.75V to
+3.0V. An active-low, open-drain reset output remains
asserted for at least 70ms after the output voltage reach-
es regulation. This device is offered in 6-pin thin SOT23
and 6-pin 3mm x 3mm thin DFN packages.
An internal PMOS pass transistor maintains low supply
current, independent of load and dropout voltage, making
the MAX1589 ideal for portable battery-powered equip-
ment such as personal digital assistants (PDAs), digital
still cameras, cell phones, cordless phones, and note-
book computers. Other features include logic-controlled
shutdown, short-circuit protection, and thermal-
overload protection.
Applications
Notebook Computers
Cellular and PCS Telephones
Personal Digital Assistants (PDAs)
Hand-Held Computers
Digital Still Cameras
PCMCIA Cards
CD and MP3 Players
Features
o
Low 1.62V Minimum Input Voltage
o
Guaranteed 500mA Output Current
o
±0.5% Initial Accuracy
o
Low 175mV Dropout at 500mA Load
o
70ms
RESET
Output Flag
o
Supply Current Independent of Load and Dropout
Voltage
o
Logic-Controlled Shutdown
o
Thermal-Overload and Short-Circuit Protection
o
Preset Output Voltages (0.75V, 1.0V, 1.3V, 1.5V,
1.8V, 2.5V, and 3.0V)
o
Tiny 6-Pin Thin SOT23 Package (<1.1mm High)
o
Thin 6-Pin TDFN Package (<0.8mm High)
Ordering Information
M
Low-Input-Voltage, 500mA LDO Regulator
with
RESET
in SOT and TDFN
________________________________________________________________
Maxim Integrated Products
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.
1
GND
OUT
IN
TOP VIEW
MAX1589
SHDN
GND
THIN SOT23
.C.
RESET
RESET
1
2
3
6
5
4
4
5
6
SHDN
IN
3
2
1
I.C.
OUT
TDFN
3mm x 3mm
MAX1589
Pin Configurations
ON
OFF
INPUT
1.62V TO 3.6V
IN
SHDN
GND
RESET
OUT
OUTPUT
0.75V TO 3.0V
500mA
TO
μ
C
LOGIC
SUPPLY
100k
MAX1589
C
IN
1
μ
F
C
OUT
4.7
μ
F
Typical Operating Circuit
19-3048; Rev 0; 10/03
*
Insert the desired three-digit suffix (see the Selector Guide) into
the blanks to complete the part number. Contact the factory for
other output voltages.
Selector Guide
MAX1589
TOP MARK
V
OUT
(V)
SUFFIX
SOT
AAAT
AAAU
AAAV
AAAW
AAAX
AAAY
AAAZ
TDFN
AFJ
AFK
AFL
AFM
AFN
AFO
AFP
0.75
1.00
1.30
1.50
1.80
2.50
3.00
075
100
130
150
180
250
300
PART*
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
6 Thin SOT23-6
6 TDFN
MAX1589EZT_ _ _-T
MAX1589ETA_ _ _
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