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G1117 View Datasheet(PDF) - Global Mixed-mode Technology Inc

Part NameDescriptionManufacturer
G1117 1A Adjustable Low-Dropout Linear Regulator GMT
Global Mixed-mode Technology Inc GMT
G1117 Datasheet PDF : 9 Pages
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Global Mixed-mode Technology Inc.
G1117
Definitions
Output Voltage
The G1117 provides an adjustable output voltage from
1.25V to 5V. With two external resistors. It can be for-
mulated as:
voltage. The measurement is made under conditions
of low dissipation or by using pulse techniques such
that average chip temperature is not significantly af-
fected.
VOUT = 1.25V x (1+
R2
R1
) + IADJ x R2
IADJ = 80µA (TYP.)
Dropout Voltage
The input/output Voltage differential at which the
regulator output no longer maintains regulation against
further reductions in input voltage. Measured when the
output drops 2% below its nominal value. Dropout
voltage is affected by junction temperature, load cur-
rent and minimum input supply requirements.
Line Regulation
The change in output voltage for a change in input
Load Regulation
The change in output voltage for a change in load
current at constant chip temperature. The measure-
ment is made under conditions of low dissipation or by
using pulse techniques such that average chip tem-
perature is not significantly affected.
Maximum Power Dissipation
The maximum total device dissipation for which the
regulator will operate within specifications.
Quiescent Bias Current
Current which is used to operate the regulator chip
and is not delivered to the load.
Ver: 1.9
Mar 07, 2007
TEL: 886-3-5788833
http://www.gmt.com.tw
3
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