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SJ1117-285F Schematic ( PDF Datasheet ) - AUK

Teilenummer SJ1117-285F
Beschreibung Adjustable and Fixed Voltage Regulator
Hersteller AUK
Logo AUK Logo 




Gesamt 18 Seiten
SJ1117-285F Datasheet, Funktion
SJ1117xxx
Adjustable and Fixed Voltage Regulator
Descriptions
The SJ1117 series of positive adjustable and fixed regulators are designed to provide 1A with high efficiency.
All internal circuitry is designed to operate down to 1.1V input to output differential.
The SJ1117 offers current limiting and thermal shutdown and over voltage protection.
Features
Adjustable or fixed output(1.2V, 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5V)
Output current of 1A
Safe Operating Area(SOA) Protection
Over Voltage Protection (OVP)
Over Current Protection (OCP)
Thermal shutdown protection
Low dropout, 1.1V Typical at 1A output current
Operating temperature range : -40~ +125
Halogen-Free Package is Available
High Level ESD Protection : 400V(MM), 4KV(HBM)
Typical Applications
VIN
IN SJ1117-XX OUT
+ CIN
10uF
GND
VOUT
+ CO
10uF
VIN
+ CIN
10uF
IN
SJ1117A
ADJ
OUT
VOUT
R1
125Ω
+ CO
10uF
R2
225Ω
Fig.1 Fixed Voltage Regulator
Fig.2 Adjustable Voltage Regulator
Notes
Vout
=
VADJ
× (1+
R2
R1
)
+
I ADJ
×
R2
1) CIN needed if device is far from filter capacitors
2) CO minimum value required for stability
KSD-I0T005-008
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SJ1117-285F Datasheet, Funktion
Electrical Characteristic Curves
Fig.3 VOUT vs TA
1
0 .8 V I N = V O U T +1 .5 V
0 .6 I O U T = 1 0mA
0 .4
0 .2
0
- 0 .2
- 0 .4
- 0 .6
- 0 .8
-1
-100 -50
0
50 100 150
Ambient Temperature Ta [℃]
200
Fig.5 IOUT vs TA
3 .0
V IN=V OUT+2V
2 .5
2 .0
1 .5
1 .0
0 .5
0 .0
-100 -50 0 50 100 150
Ambient Temperature Ta [℃]
200
Fig.7 IQ vs TA
10
9 V I N = V O U T + 1 .5 V
8
7
6
5
4
3
2
1
0
-100 -50
0
50 100
150
Ambient Temperature Ta [˚C]
200
SJ1117xxx
Fig.4 IOUT vs VIN-VOUT
3.0
T a =25℃
2.5
2.0
1.5
1.0
0.5
0.0
0 2 4 6 8 10 12 14
Input-Output Differential Voltage VIN-VOUT [V]
Fig.6 IAdj vs TA
50
45 V I N = 2.75V
40 I O U T =0.1A
35
30
25
20
15
10
5
0
-100 -50
0
50 100 150 200
Ambient Temperature Ta [℃]
Fig.8 ESR vs IOUT
100
Instable Region
Ta=25℃
10
1 Stable Region
0.1
0.01
0
Instable Region
200 400 600 800
Output Current IOUT [mA]
1000
KSD-I0T005-008
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6 Page









SJ1117-285F pdf, datenblatt
Typical Application
SJ1117xxx
VIN > 12V
+ 10uF
IN SJ1117-50 OUT
GND
+
10uF
1k
VOUT = 5V to 10V
+
10uF
VIN > 9V
+ 10uF
IN SJ1117-50 OUT
GND
2.5VOUT
VOUT = 7.5V
+
10uF
Fig.20 Adjusting Output of Fixed Regulators
Fig.21 Regulators with Reference
VIN
IN SJ1117-50 OUT
+
10μF
GND
50
*RCHG
6.5V
+
10μF
IN SJ1117-50 OUT
GND
VOUT
+
100uF
5.3V AC LINE
5.0V Battery
*: RCHG : Select for charge rate.
Fig.22 Battery Backed-up Power Supply
KSD-I0T005-008
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12 Page





SeitenGesamt 18 Seiten
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