S5U1284 SECOS [SeCoS Halbleitertechnologie GmbH], S5U1284 Datasheet - Page 2

• Manufacturer Part Number: S5U1284
• Description: 4A Ultra Low Dropout Positive Adjustable or Fixed-Mode Regulator
• Manufacturer: SECOS [SeCoS Halbleitertechnologie GmbH]

01-Jun-2002 Rev. A
http://www.SeCoSGmbH.com/
GND
NC
Absolute Maximum Ratings
Storage Temperature Range
Operating Juction Temperature Range
Control Input Voltage
DC Supply Voltage
Power Dissipation
Electrical Characteristics
Typical value refer to T
Reference Voltage
Output Voltage
Line Regulator
Load Regulation
Dropout Voltage
(Vctrl-Vout)
Dropout Voltage
(Vin-Vout)
Current Limit
Minimum Load Current
Thermal Regulation
Ripple Rejection
Control Pin Current
Adjust Pin Current
Quiescent Current
Thermal Resistance
Junction-to-Case
Parameter
Elektronische Bauelemente
Parameter
J
=25 : . Vout=Vsense
S5U1284-XX
S 5U1284-ADJ
S5U1284-15
S5U1284-18
S5U1284-25
S5U1284-33
S5U1284-50
S5U1284-ADJ
S5U1284-15
5SU1284-18
S5U1284-25
S5U1284-33
S5U1284-50
S5U1284-ADJ
(fixed model)
S5U1284-ADJ
S5U1284-15
S5U1284-18
S5U1284-25
S5U1284-33
S5U1284-50
Vctrl=2.75V, Vin=2.05V, Vo=100mV, Vadj=0V
Vctrl=5V, Vin=3.3V, Vadj=0V
30ms pulse
Vctrl=5V, Vin=5V,
S5U1284-ADJ
S5U1284-15
S5U1284-18
S5U1284-25
S5U1284-33
S5U1284-50
Vctrl=2.75V, Vin=2.05V,
Vctrl=13V, Vin=12V,
Control Circuitry/Power Transistor
Typically a large storage capacitor is connected from this pin to ground to insure that the input
Unless otherwise specified, these specifications apply over, Cin=1uF, Cout=10uF, T
I
Vadj=0V, for all conditions below. ( Vout=1%Vout)
Vin=2.05V,
Vin=2.05V,
Vin=2.05V,
Vin= Vout +0.8V,
Vadj=0V, for all conditions below. ( Vout=1%Vout)
Vctrl=2.75V,
Vctrl=2.75V,
Vctrl=2.75V,
Vctrl=Vout +1.5V,
Vadj=0V, for all conditions below.
Vctrl=2.75V, Vin=2.05V,
Vctrl=2.75V, Vin=2.05V,
Vctrl=2.75V, Vin=2.05V,
Vctrl= Vout +1.5V, Vin= Vout +0.8V,
I
o=10mA, T
I
I
I
I
I
(Vin-Vout)=2V, 0mA<
Vin=3.0V, 0mA<
Vin=3.3V, 0mA<
Vin=4.0V, 0mA<
Vin=5.0V, 0mA<
Vin=8.0V, 0mA<
Vctrl=3.3V,
o=4.0A, Vadj=0V, T
Vctrl=3.3V, Vin=2.3V,
I
o=10mA, T
o=10mA, T
o=10mA, T
o=10mA, T
o=10mA, T
o=10mA, T
I
o=10mA (fixed model)
I
o=10mA, Vadj=0
I
I
I
J
Conditions
o=1.5A
o=3.0A
o=4.0A
J
J
J
J
J
I
I
I
I
=25 , : (Vin-Vout)=0.7V, Vctrl=Vin+1V
J
o=1.5A
o=3.0A
o=4.0A
o=4.0A ( Vout=1%Vout)
=25
=25
=25
=25
=25
=25
I
I
I
I
I
I
o<4A, T
o<4A, T
o<4A, T
o<4A, T
o<4A, T
I
o=4.0A ( Vout=1%Vout)
o=4.0A ( Vout=1%Vout)
, : 2.2V Vin 12V, Vctrl=Vin+1V
, : 2.5V Vin 12V, Vctrl=Vin+1V
, : 3.2V Vin 12V, Vctrl=Vin+1V
, : 4.0V Vin 12V, Vctrl=Vin+1V
, : 5.7V Vin 12V, Vctrl=Vin+1V
, : Vout+0.7<Vin<12, Vctrl=Vin+1V
J
=25 : , Vripple=1Vpp at 120Hz
tage does not sag below the minimum dropout voltage during the load
I
o<4A, T
Description
I
o=4.0A
I
I
I
o=1.5A
o=3.0A
o=4.0A
J
J
J
J
J
=25 : , Vctrl=4V
=25 : , Vctrl=4.3V
=25 : , Vctrl=5V
=25 : , Vctrl=6V
=25 : , Vctrl=9V
Symbol
V
T
J
V
T
P
CTRL
=25 : , Vctrl=Vin+1V
ST
IN
OP
D
I
o=4.0A
Positive Adjustable or Fixed-Mode Regulator
V higher than Vout in order for the device to
4A Ultra Low Dropout
S5U1284
1.225
MIN
1.470
1.764
2.450
3.235
4.900
Ratings
Any changing of specification will not be informed individual
-65~+150
4.2
60
2.4~4.4
-
-
-
-
-
-
-
-
-
-
-
0~+150
-
-
-
-
-
-
-
16
18
1.250
TYP
1.10
1.10
0.26
0.50
0.70
0.70
0.01
1.500
1.800
2.500
3.300
5.00
or open= output enable.
3.5
70
30
33
33
50
5
6
12
15
20
26
40
-
-
-
-
5.100
1.275
MAX
1.15
1.18
1.25
1.25
0.38
0.60
0.85
0.85
0.02
1.530
1.836
2.550
3.365
150
10
25
60
70
70
12
15
18
25
33
50
-
-
-
0.2
1
J
=0~150 : .
Unit
V
W
UNIT
V
o
1.3V
o
%/W
C
C
/ : W
mA
mA
mA
mA
dB
uA
V
mV
mV
mV
mV
mV
V
V
V
V
A
%
V
V
V
V
V
%
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