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Número de pieza | SJ1117-12D | |
Descripción | Adjustable and Fixed Voltage Regulator | |
Fabricantes | AUK | |
Logotipo | ||
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No Preview Available ! 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
1
1 page ◈ Electrical Characteristics
SJ1117xxx
(Electrical Characteristics at TA=25℃ and VI=(VO+1.5V), Io=10mA, CO=10μF, unless otherwise specified.)
Characteristic Symbol Device
Test Condition
Min
(-2%)
Typ
SJ1117A
1.225 1.25
Max
(+2%)
1.275
Unit
SJ1117-12
1.176 1.20 1.224
SJ1117-15
1.470 1.50 1.530
Output voltage
VOUT
SJ1117-18
SJ1117-25
VI = (VO+1.5V) to 7V
IO = 10mA to 1000mA
1.764 1.80
2.450 2.50
1.836
2.550
V
SJ1117-285
2.793 2.85 2.907
SJ1117-33
3.234 3.30 3.366
SJ1117-50
Line regulation
(Note4)
Load regulation
(Note4)
Quiescent current
Minimum load
current
│△VO(△VI)│
│△VO(△IL) │
IQ
I L(MIN)
All
All
All
SJ1117A
1.5V≤ VI-VO≤7V
IO=10mA
1.5V≤ VI-VO≤7V
IO=10mA ~ 1000mA
IO=0
Vin=2.75V
Adjust pin
current
Adjust pin
current change
IADJ
│∆IADJ│
SJ1117A
SJ1117A
VI = 2.75V
IO = 100mA
2.75V ≤ VI ≤ 8.25V
IO=10mA ~ 1000mA
Dropout voltage
VDROP
All IO =1000mA
Ripple rejection ratio
RR
All
VI = VO+3V, IO=500mA
VRipple=1VP-P , f=120 ㎐
Current limit
ILIMIT
All VI = VO+2V
Thermal Shutdown
Thermal shutdown
hysteresis
TTSD
THYS
All
VI = VO+1.5V
IO = 0 to 10mA
All
VI = VO+1.5V
IO = 0 to 10mA
Note 4: Low duty pulse testing with Kelvin connections required.
4.900 5.00
- 0.05
- 0.1
-5
-1
- 36
-1
- 1.1
60 72
1.1 1.8
- 160
- 10
5.100
0.4
0.5
10
5
90
5
1.25
-
-
-
-
%
%
mA
mA
μA
μA
V
dB
A
℃
℃
KSD-I0T005-008
5
5 Page ◈ Typical Application
SJ1117xxx
VIN
IN SJ1117A OUT
+
10μF
ADJ
Constant Current
Output
R VOUT
+
10μF
VIN
IN SJ1117A OUT
+
10μF
ADJ
R1
50kΩ
VOUT
+
1N4001
10uF
IOUT
=
Vref
R
+
Iadj
R2
SBT2907
+
10uF
Fig.16 Constant Current Regulator
Fig.17 Slow Turn-On Regulator
VIN
IN SJ1117A OUT
+ 10uF
ADJ
VOUT
+
R1
121Ω
10uF
VIN
IN SJ1117A OUT
+ 10uF
ADJ
+ *CADJ
R2
1kΩ
Output Control
(TTL)
1kΩ
SBT2222
1kΩ
VOUT
= 1.25
(1 +
R2
R1
)
*: CADJ is optional, but it will improve ripple rejection.
VOUT(OFF) = Vref
VOUT
+
R1
200Ω
10uF
R2
600Ω
Fig.18 1.25V to 10V Adjustable Regulator with
improved Ripple Rejection
Fig.19 5V Logic Regulator with Electronic Shutdown
KSD-I0T005-008
11
11 Page |
Páginas | Total 18 Páginas | |
PDF Descargar | [ Datasheet SJ1117-12D.PDF ] |
Número de pieza | Descripción | Fabricantes |
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