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Gamma Microelectronics

GM7805 Datasheet Preview

GM7805 Datasheet

POSITIVE VOLTAGE REGULATORS

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Description
The GM7800 series are classic regulators, which are use-
ful in a wide range of applications. For example, you can
use them for local on-card regulation to eliminate the distri-
bution and problems associated with single point regula-
tion.
The wide range of output voltages (5V to 27V) make them
useful in an endless list of applications. Although designed
as fixed voltage regulators, you can add a few external
components to make adjustable voltages and currents.
Current limiting prevents the peak output current to a safe
value. Safe-area protection of the output transistor limits in-
ternal power dissipation. If internal power dissipation be-
comes too high for the heat sinking provided, the thermal
shutdown circuit activates to prevent the regulator from
overheating. These versatile workhorses are easy to use.
You do not need to bypass the output, although this does
improve transient response. Input bypass is needed only if
you place the regulator far from the filter capacitor of the
power supply.
The GM7800 series is available in TO-220, TO-252 and
TO-263 packages.
Features
Output current up to 1.5A
Output Voltages 5V, 6V, 8V, 8.5V, 9V, 10V,
12V, 15V, 18V, 20V, 24V and 27V
3- Terminal Regulators
Internal Thermal Overload Protection
Internal Short-Circuit Current Limiting
Output Transistor Safe-Area Protection
TO-220, TO-252 and TO-263 Packages
High Power Dissipation Capability
Direct replacements for LM78xx
Application
Post-Regulator Switching DC/DC
Converters
Bias Supply for Analog Circuits
Instrumentation and Audio Systems
Logic Systems
Others too numerous to mention
TYPIC APPLICATION CIRCUITS
VIN
0.33µF
GM7800
VOUT
1.5A
0.1µF
GND
For a positive regulator, a 0.33µF bypass capacitor should be used on the input terminals.
While not necessary for stability, an output capacitor of 0.1µF may be used to improve the
transient response of the regulator. These capacitors should be on or as near as possible
to the regulator terminals .
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Gamma Microelectronics

GM7805 Datasheet Preview

GM7805 Datasheet

POSITIVE VOLTAGE REGULATORS

No Preview Available !

MARKING INFORMATION & PIN CONFIGURATIONS (TOP VIEW)
2
TO-263-2 (D PAK)
TO-220
TO-252-3 (DPAK)
GM78VV
AYWW
GM78VV
AYWW
GM78VV
AYWW
V V =Output Voltage(05: 5.0V, 12: 12V)
A =Assembly Location
Y =Year
W W =Weekly
INPUT
GND
OUTPUT
INPUT
OUTPUT
GND
VOUT
TAB is GND
VIN
ORDERING INFORMATION
Pro Number
GM7805
GM7806
GM7808
GM7885
GM7809
GM7810
GM7812
GM7815
GM7818
GM7820
GM7824
GM7827
VOUT
5.0V
6.0V
8.0V
8.5V
9.0V
10V
12V
15V
18V
20V
24V
27V
* For detail Ordering Number identification, please see last page.
Package
TO-263, TO-220, TO-252
TO-263, TO-220, TO-252
TO-263, TO-220, TO-252
TO-263, TO-220, TO-252
TO-263, TO-220, TO-252
TO-263, TO-220, TO-252
TO-263, TO-220, TO-252
TO-263, TO-220, TO-252
TO-263, TO-220, TO-252
TO-263, TO-220, TO-252
TO-263, TO-220, TO-252
TO-263, TO-220, TO-252
RECOMMENDED OPERATING CONDITIONS (IO= 1.5A)
PARAMETER
MIN
MAX
UNIT
GM7805
7
25
GM7806
8
25
GM7808
10.5
25
GM7885
10.5
25
GM7809
11.5
27
Input Voltage VI
GM7810
GM7812
12.5
14.5
28
30
V
GM7815
17.5
30
GM7818 21 33
GM7820
23
36
GM7824
27
38
GM7827
30
40
2 Output Current, IO
Operating virtual junction temperature, TJ
1.5 A
0 125 °C


Part Number GM7805
Description POSITIVE VOLTAGE REGULATORS
Maker Gamma Microelectronics
Total Page 12 Pages
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