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ZLDO500 PDF预览

ZLDO500

更新时间: 2023-12-06 20:02:07
品牌 Logo 应用领域
美台 - DIODES /
页数 文件大小 规格书
9页 120K
描述
Wide Vin, 300 mA LDO

ZLDO500 数据手册

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5.0 VOLT ULTRA LOW DROPOUT  
REGULATOR  
ZLDO500  
ISSUE 2 - JULY 1997  
DEVICE DESCRIPTION  
FEATURES  
The ZLDO Series low dropout linear  
regulators operate with an exceptionally  
low dropout voltage, typically only 30mV  
with a load current of 100mA. The regulator  
series features output voltages in the range  
2.7 to 18 volts, this device provides anoutput  
voltage of 5.0 volts.  
Very low dropout voltage  
6mV dropout at 10mA output  
30mV dropout at 100mA output  
100mV dropout at 300mA output  
5.0 volt fixed output  
Other voltages available  
Low quiescent current  
The ZLDO500 consumes a typical quiescent  
current of only 1mA at its maximum rated  
output current of 300mA. A battery low flag  
is available to indicate potential power fail  
situations. If the input voltage falls to within  
200mV of the regulated output voltage then  
the error output pulls low. The device also  
features an active high disable control. Once  
disabled the ZLDO quiescent current falls to  
typically 11µA.  
1mA quiescent at 300mA output  
Low battery flag  
Shutdown control  
Surface mount package  
APPLICATIONS  
The ZLDO devices are packaged in Zetex  
SM8 8 pin small outline surface mount  
package, ideal for applications where space  
saving is important. The device low dropout  
voltage, low quiescentcurrent andsmall size  
make it ideal for low power and battery  
powered applications. Battery powered  
circuits can make particular use of the low  
battery flag and shutdown features.  
Battery powered devices  
Portable instruments  
Portable communications  
Laptop/Palmtop computers  
Electronic organisers  
Low Battery Flag  
Vin  
LOW BATTERY  
COMPARATOR  
THERMAL  
SHUTDOWN  
Vo  
OUTPUT  
DRIVE  
BIAS  
Shutdown  
Control  
CIRCUIT  
Cs  
SHUTDOWN  
BANDGAP  
REFERENCE  
Shaping  
Gnd  
4-80  

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