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MAX8875EUK30-T PDF预览

MAX8875EUK30-T

更新时间: 2024-09-20 22:17:31
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美信 - MAXIM 稳压器
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8页 436K
描述
150mA, Low-Dropout Linear Regulator with Power-OK Output

MAX8875EUK30-T 数据手册

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19-1556; Rev 0; 10/99  
150mA, Low-Dropout Linear Regulator  
with Power-OK Output  
General Description  
Features  
The MAX8875 low-dropout linear regulator operates from  
a +2.5V to +6.5V input range and delivers up to 150mA.  
A P-channel MOSFET pass transistor allows its 85µA sup-  
ply current to remain independent of the load, making this  
device ideal for battery-operated portable equipment  
such as PCS phones, cellular phones, cordless phones,  
and modems.  
Power-OK Output  
Small Output Capacitor (1µF ceramic)  
Preset Output Voltages ( 1ꢀ accuracꢁ)  
Guaranteed 150mA Output Current  
85µA No-Load Supplꢁ Current  
Low 110mV Dropout at 100mA Load (165mV at  
150mA load)  
The MAX8875 features a power-OK output that indicates  
when the output is out of regulation. The device is avail-  
able in several preset output voltage versions: 5.0V, 3.3V,  
3.0V, 2.7V, or 2.5V. Other features include 1µA (max) shut-  
down current, short-circuit protection, thermal shutdown  
protection, and reverse-battery protection. The device  
comes in a miniature 5-pin SOT23 package.  
Thermal-Overload and Short-Circuit Protection  
Reverse-Batterꢁ Protection  
60dB PSRR at 100Hz  
1µA max Shutdown Current  
The MAX8875 is optimized for use with a 1µF ceramic out-  
put capacitor. For a pin-compatible, functionally equivalent  
device for use with a higher ESR output capacitor, see the  
MAX8885 data sheet.  
Applications  
Ordering Information  
PCS Telephones  
Cellular Telephones  
Cordless Telephones  
PCMCIA Cards  
Hand-Held Instruments  
Palmtop Computers  
Electronic Planners  
Modems  
PART  
TEMP. RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
5 SOT23-5  
5 SOT23-5  
5 SOT23-5  
5 SOT23-5  
5 SOT23-5  
MAX8875EUK25-T  
MAX8875EUK27-T  
MAX8875EUK30-T  
MAX8875EUK33-T  
MAX8875EUK50-T  
Output Voltage Selector Guide  
Note: See Output Voltage Selector Guide for more information.  
PART  
V
OUT  
(V)  
TOP MARK  
ADKZ  
MAX8875EUK25  
MAX8875EUK27  
MAX8875EUK30  
MAX8875EUK33  
MAX8875EUK50  
2.5  
2.7  
3.0  
3.3  
5.0  
ADLA  
ADLB  
ADLC  
ADLD  
Typical Operating Circuit  
Note: Other output voltages between 2.5V and 5.0V are avail-  
able in 100mV increments—contact the factory for information.  
Minimum order quantity is 25,000 units.  
OUTPUT  
PRESET  
Pin Configuration  
INPUT  
2.5V TO 5.0V  
150mA  
+2.5V TO +6.5V  
TOP VIEW  
IN  
OUT  
POK  
C
OUT  
1µF  
C
IN  
1µF  
1
2
3
5
4
OUT  
POK  
IN  
GND  
MAX8875  
MAX8875  
100k  
ON  
TO µC  
SHDN  
OFF  
SHDN  
GND  
SOT23-5  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  

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