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GS1117CM Datasheet(Fiches technique) 3 Page - Vishay Siliconix

Numéro de pièce GS1117CM
Description  800mA Low Dropout Positive Adjustable Regulator
Télécharger  6 Pages
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Fabricant  VISHAY [Vishay Siliconix]
Site Internet  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

GS1117CM Datasheet(HTML) 3 Page - Vishay Siliconix

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GS1117
Vishay Semiconductors
formerly General Semiconductor
Document Number 74802
www.vishay.com
20-Feb-02
3
Electrical Characteristics(1) TJ = 25°C(2), VIN = 5V, Io = 10mA unless otherwise noted.
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Output Current
Io
0°C
≤ TJ ≤ 125°C
0.85
A
2.65
≤ Vin ≤ 7V
Adjust Pin Current
Iadj
10mA
≤ Io ≤ 800mA
55
120
µA
0°C
≤ TJ ≤ 125°C
2.65
≤ Vin ≤ 7V
Adjust Pin Current Change
∆Iadj
10mA
≤ Io ≤ 800mA
0.2
5
µA
0°C
≤ TJ ≤ 125°C
Temperature Stability
TS
Io = 0.5A
0.8
%VO
0°C
≤ TJ ≤ 125°C
Minimum Load Current
ILMIN
0°C
≤ TJ ≤ 125°C
3
10
mA
Adjustable Version
Quiescent Current
IQ
0°C
≤ TJ ≤ 125°C10
14
mA
Fixed Voltage Version
RMS Output Noise
N
10HZ
≤ f ≤ 10 kHZ
0.003
%VO
Ripple Rejection Ratio
RR
f = 120 HZ, CO = 25
µF
60
68
dB
Cadj = 25
µF
Thermal Regulation
RTH
TA = 25°C, 30ms Pulse
0.02
0.05
%/W
Long Term Stability
TA = 125°C, 1000 Hrs
0.3
%VO
Notes:
VREF = VOUT – VADJ = 1.25V (typ.)
VOUT = VREF x (1+R2/R1) + IADJ x R2
IADJ = 55
µA (typ.)
(1) C1 needed if device is far away from filter capacitors
(2) C2 required for stability
Typical Application Circuit
VIN
5V
VOUT
3.3V
C1
10
µF
C2
10
µF
ADJ
VREF
1
32
R1
125
1%
R2
205
1%
GS1117
Adjustable Voltage Regulator
+
+
VIN
5V
VOUT
C1
10
µF
C2
10
µF
1
32
GS1117-2.5
GS1117-2.85
GS1117-3.3
GS1117-5
Fixed Voltage Regulator
+
+
Notes:
(1) All parameters, except nominal output voltage are specified for the variable voltage version, allowing a wider Vin Range.
The specified limits also apply for the fixed voltage versions.
(2) To maintain the specified junction temperatures, low duty cycle pulse testing is required for most parameters.


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