
Si9183
Vishay Siliconix
www.vishay.com
2
Document Number: 71258
S-40593—Rev. E, 29-Mar-04
ABSOLUTE MAXIMUM RATINGS
Input Voltage, V
IN
SD Input Voltage, V
SD
Output Current, I
OUT
Output Voltage, V
OUT
Maximum Junction Temperature, T
J(max)
Storage Temperature, T
STG
ESD (Human Body Model)
6.5 V
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0.3 V to V
IN
Short Circuit Protected
0.3 V to V
O(nom)
+ 0.3 V
150 C
65 C to 125 C
2 kV
Power Dissipation (Package)
a
, b
5-Pin SOT-23
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Thermal Impedance (
JA
)
5-Pin SOT-23
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Notes
a.
Device mounted with all leads soldered or welded to multi-layer (1S2P)
JEDEC board, horizontal orientation.
b.
Derate 5.5 mW/ C above T
A
= 25 C.
555 mW
180 C/W
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING RANGE
Input Voltage, V
IN
Output Voltage, V
OUT
(Adjustable Version)
SD Input Voltage, V
SD
C
IN
= 1 F, C
OUT
= 2.2 F (ceramic, X5R or X7R type) , C
BP
= 0.1 F (ceramic)
C
OUT
Range = 1 F to 10 F (
20% tolerance,
2 V to 6 V
1.5 V to 5 V
0 V to V
IN
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Operating Ambient Temperature, T
A
Operating Junction Temperature, T
J
40 C to 85 C
40 C to 125 C
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. . . . . . . . . . . . . . . . . . .
20% over temperature; ESR = 0.4 to 4 at dc to 100 kHz, 0 t0 0.4 > 100 kHz) )
SPECIFICATIONS (T
A
= 25 C)
Test Conditions
Unless Otherwise Specified
V V
= V
OUT(nom)
+ 1 V, I
OUT
= 1 mA
C
IN
= 1 F, C
OUT
= 2.2 F, V
SD
= 1.5 V
1 V I
1 A
Limits
40 to 85 C
Parameter
Symbol
Temp
a
Min
b
Typ
c
Max
b
Unit
Input Voltage Range
V
IN
Full
2
6
V
Output Voltage Range
Adjustable Version
Full
1.5
5
Output Voltage Accuracy
(Fixed Versions)
V
OUT
1 mA
I
OUT
150 mA
Room
1.5
1.5
% V
O(nom)
Full
2.5
2.5
Feedback Voltage (ADJ version)
V
FB
Room
1.188
1.215
1.240
V
Full
1.176
1.252
Line Regulation
(Except 5-V Version)
100
From V
IN
= V
OUT(nom)
+ 1 V
to V
OUT(nom)
Full
0.18
0.18
Line Regulation (5-V Version)
V
OUT
From V
IN
= 5.5 V to 6 V
Full
0.18
0.18
%/V
Line Regulation (ADJ Version)
V
IN
V
OUT(nom)
V
OUT
= 1.5 V, From V
IN
= 2.5 V to 3.5 V
Full
0.18
0.18
V
OUT
= 5 V, From V
IN
= 5.5 V to 6 V
Full
0.18
0.18
I
OUT
= 10 mA
Room
1
20
Dropout Voltage
d
@V
OUT
2.5 V)
V
V
IN
I
OUT
= 150 mA
Room
135
170
OUT
Full
180
220
mV
Dropout Voltage
d
(@V
OUT
V
V
IN
OUT
I
OUT
= 150 mA
Room
235
320
2.5 V, V
IN
2 V)
Full
380
I
OUT
= 0 mA
Room
150
Ground Pin Current
I
GND
I
OUT
= 150 mA
Room
500
A
Full
900
Shutdown Supply Current
I
IN(off)
I
FB
I
O(peak)
V
SD
= 0 V
V
FB
= 1.2 V
0.95 x V
OUT(nom)
, t
pw
= 2 ms
Full
0.1
1
A
FB Pin Current
Room
2
100
nA
Peak Output Current
V
OUT
Room
250
300
mA
Output Noise Voltage
e
N
BW = 50 Hz to 100 kHz
I
OUT
= 150 mA
w/o C
BP
Room
300
V (rms)
C
BP
= 0.1 F
Room
100