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ZSAT500N8

Description
5 VOLT ENHANCED POSITIVE LOCAL VOLTAGE REGULATOR
File Size78KB,6 Pages
ManufacturerDiodes
Websitehttp://www.diodes.com/
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ZSAT500N8 Overview

5 VOLT ENHANCED POSITIVE LOCAL VOLTAGE REGULATOR

Not Recommended for New Design
Please Use ZSR500
5 VOLT ENHANCED POSITIVE
LOCAL VOLTAGE REGULATOR
ISSUE 1 - DECEMBER 1995
DEVICE DESCRIPTION
The ZSAT500 is an enhanced three terminal
fixed positive 5 volt regulator. The device is
designed particularly for use in Satellite
receiver low noise blocks where a high
degree of supply rejection is required to
extended frequencies. The device has been
improved to give superior performance with
ripple rejection of 65dB up to 22KHz , and
40dB up to 200KHz.
The device features internal circuit current
limit and thermal shutdown making it almost
impossible to destroy. The ZSAT500 shows
performance characteristics superior to
other local voltage regulators. The initial
output voltage is maintained to within 2.5%
with a quiescent current of typically 350µA.
Line and load regulation is superior to that
of other devices, with load current up to a
maximum 200mA.
For the LNB application the regulator is
offered in a surface mount SOT223 package
which permits power dissipation up to 3
watts. Additionally the device can be made
available in an SO8 surface mount package,
as well as TO92 for through hole application.
ZSAT500
The devices are suited to local voltage
regulation applications, where problems
could be encountered with distributed single
source regulation, as well as more general
voltage regulation applications.
FEATURES
Q25
Enhanced ripple rejection - 65dB at
22kHz
Small outline SO8 and SOT223
packages
TO92 package
5 volt output
Output current upto 200mA
Tight initial tolerance
Low quiescent current
-55 to 125°C temperature range
No external components
Internal thermal shutdown
Internal short circuit current limit
APPLICATIONS
Satellite receivers
Low noise blocks
V
in
SCHEMATIC DIAGRAM
Q14
Q18
Q19
Q13
Q10
Q8
Q4
Q12
R6
Q20
Q11
R7
R3
Q21
Q5
Q6
Q7
Q16
Q17
R14
Q9
V
out
R4
R5
Q1
R1
Q3
C1
R9
R13
R2
Gnd
4-299

ZSAT500N8 Related Products

ZSAT500N8 ZSAT500 ZSAT500C ZSAT500G
Description 5 VOLT ENHANCED POSITIVE LOCAL VOLTAGE REGULATOR 5 VOLT ENHANCED POSITIVE LOCAL VOLTAGE REGULATOR 5 VOLT ENHANCED POSITIVE LOCAL VOLTAGE REGULATOR 5 VOLT ENHANCED POSITIVE LOCAL VOLTAGE REGULATOR
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