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ZR78L028

Description
Standard Regulator Pos 2.85V 0.2A 4-Pin(3+Tab) SOT-223 T/R
File Size297KB,18 Pages
ManufacturerDiodes Incorporated
Download Datasheet View All

ZR78L028 Overview

Standard Regulator Pos 2.85V 0.2A 4-Pin(3+Tab) SOT-223 T/R

2.85 TO 12 VOLT FIXED POSITIVE
LOCAL VOLTAGE REGULATOR
ISSUE
5
-
JUNE
2006
DEVICE DESCRIPTION
The ZR78L Series three terminal fixed positive
voltage regulators feature internal circuit
current limit and thermal shutdown making
the devices difficult to destroy. The circuit
design allows creation of any custom voltage
in the range 2.85 to 12 volts. The devices are
available in a small outline surface mount
package, ideal for applications where space
saving is important, as well as through hole
TO92 style packaging. 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.
The ZR78L Series show 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. Output voltage
change, with input voltage and load current, is
much lower than competitive devices. The
ZR78L devices are completely stable with no
external components. The device will shut
down under thermal overload conditions but
as the device cools, regulation will restart.
Device
Output voltage
TO92(C)
Package options
SOT223(G)
ZR78L
SERIES
FEATURES
2.85 to 12 Volt
Output current up to 200mA
Tight initial tolerance
Low quiescent current
-55 to 125°C temperature range
No external components
Internal thermal shutdown
Internal short circuit current limit
SO8(N8)
ZR78L028
ZR78L03
ZR78L033
ZR78L04
ZR78L048
ZR78L05
ZR78L052
ZR78L057
ZR78L06
ZR78L07
ZR78L08
ZR78L085
ZR78L09
ZR78L10
ZR78L12
N/A - never available
2.85V
3.0V
3.3V
4.0V
4.85V
5.0V
5.2V
5.7V
6.0V
7.0V
8.0V
8.5V
9.0V
10.0V
12.0V
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Not for new designs Not for new designs
Obsolete
Obsolete
Obsolete
Obsolete
Not for new designs Not for new designs
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
Obsolete
N/A
N/A
N/A
N/A
N/A
Obsolete
N/A
N/A
Obsolete
N/A
N/A
N/A
N/A
N/A
N/A
The ZSRxxx family of linear regulators are alternatives to the ZR78L family
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