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ZLDO500 Fiches technique(PDF) 1 Page - Zetex Semiconductors

No de pièce ZLDO500
Description  5.0 VOLT ULTRA LOW DROPOUT REGULATOR
Download  9 Pages
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Fabricant  ZETEX [Zetex Semiconductors]
Site Internet  http://www.diodes.com/
Logo ZETEX - Zetex Semiconductors

ZLDO500 Fiches technique(HTML) 1 Page - Zetex Semiconductors

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DEVICE DESCRIPTION
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 an output
voltage of 5.0 volts.
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 11
µA.
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 quiescent current and small 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.
FEATURES
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
1mA quiescent at 300mA output
Low battery flag
Shutdown control
Surface mount package
APPLICATIONS
Battery powered devices
Portable instruments
Portable communications
Laptop/Palmtop computers
Electronic organisers
5.0 VOLT ULTRA LOW DROPOUT
REGULATOR
ISSUE 2 - JULY 1997
LOW BATTERY
COMPARATOR
Low Battery Flag
Vin
OUTPUT
DRIVE
BIAS
CIRCUIT
SHUTDOWN
THERMAL
SHUTDOWN
Shutdown
Control
BANDGAP
REFERENCE
Vo
Shaping
Gnd
Cs
ZLDO500
4-80


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