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US1206 Fiches technique(PDF) 2 Page - UNISEM

No de pièce US1206
Description  1A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE & FIXED REGULATOR
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Fabricant  UNISEM [UNISEM]
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US1206 Fiches technique(HTML) 2 Page - UNISEM

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2-2
Rev. 1.1
6/26/00
US1206/1207/1208/1209
Unless otherwise specified ,these specifications apply over ,Cin=Cout=10uF,Vin=Vo+1V, Vout=Vfb (for adjustable
version only), and Ta=25
°C. Typical values refer to Ta=25 °C.Low duty cycle pulse testing are used which keeps
junction and case temperatures equal to the ambient temperature.
PARAMETER
SYM
TEST CONDITION
MIN
TYP
MAX
UNITS
Reference Voltage
Vo
Io=10mA
-1
1
%
See Table 1 for typical values
(Note 4)
-2
2
Line Regulation
dVi
Vo+1V<Vin<12
0.06
%/V
Load Regulation (note 1)
dVL
10mA<Io<1A
0.7
%
1mA<Io<150mA
0.5
%
Output voltage Temp Coef.
dVoT
20
100
ppm/
°C
Dropout Voltage (note 2)
dVio
Io=100mA (Note 4)
100
200
mV
Io=500mA (Note 4)
300
400
mV
Io=1000mA (Note 4)
500
650
mV
Ground Current (Note 3)
Iq
Vin=Vo +1
Io=100mA (Note 4)
3
mA
Io=500mA (Note 4)
15
mA
Io=1000mA (Note 4)
50
mA
Current Limit
Icl
Vo=0V
1.1
A
Minimum Input Voltage
Vinmin
2.1
2.3
V
US1208,1209
Adjust Pin Current
Iadj
Vin=2.5V,Vo=Vadj (Note 4)
0.1
uA
Minimum Load Current
Iomin
1
mA
ABSOLUTE MAXIMUM RATINGS
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Vin)
............................................................. 12V
Enable Input Voltage ........................................................... 12V
Storage Temperature Range ................................
-65°C TO 150°C
Operating Junction Temperature Range ...................... 0°C TO 135°C
PACKAGE INFORMATION
PACKAGE INFORMATION
ELECTRICAL SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
5 PIN PLASTIC TO263 ( M ) or 5 PIN POWER FLEX (P)
3 PIN PLASTIC TO263 ( M )
US1207
US1208
US1209
US1206-XX
θJA=35°C/W for 0.5" square pad
θJA=35°C/W for 0.5" square pad
FRONT VIEW
1
2
3
Vin
Gnd
Vout
FRONT VIEW
1
2
3
4
5
Enable
Vin
Gnd
Vout
Flag
8 PIN PLASTIC POWER SOIC ( S )
US1207
US1208
US1209
4
3
2
1
5
6
7
8
TOP VIEW
Gnd
Flag
Vout
Vin
Enable
Gnd
Gnd
Gnd
θJA=55°C/W for 1" Sq pad
3 PIN PLASTIC TO252 ( D )
3 PIN PLASTIC SOT223 ( Y )
US1206
US1206
1
4
3
FRONT VIEW
Vin
Vout
Tab is
Gnd
θJA=70°C/W for
0.5" Sq pad
θJA=90°C/W for
0.4" Sq pad
3
1
2
TOP VIEW
Vin
Gnd
Vout
Tab is
Gnd
FRONT VIEW
1
2
3
4
5
Flag
Vin
Gnd
Vout
Adj
FRONT VIEW
1
2
3
4
5
Enable
Vin
Gnd
Vout
Adj
4
3
2
1
5
6
7
8
TOP VIEW
Gnd
Adj
Vout
Vin
Flag
Gnd
Gnd
Gnd
4
3
2
1
5
6
7
8
TOP VIEW
Gnd
Adj
Vout
Vin
Enable
Gnd
Gnd
Gnd


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