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Электронный компонент: UTCRXXLD20

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UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R102-015,A
2.0A Output Type Low Power-Loss
Voltage Regulator
FEATURES
*Low power-loss(Dropout voltage: 0.5V(max) at Io=2.0A)
*2.0A output type
* Output voltage precision:
3.0%
*Built-in ON/OFF control function
*Built in over current, overheat protection function, ASO protection circuit.
*Lead forming type is also available.

APPLICATIONS
*Power supplies for various electronic equipment such as
AV,OA equipment.
1
TO-220B
TO-220F-4
1

INTERNAL CONNECTION DIAGRAM
TO-220F-4 TO-220B

1 INPUT
2 OUTPUT
3 GND
4 ON/OFF
Specfic IC
1
2
3
4

1 NC
2 INPUT
3 OUTPUT
4 GND
5 ON/OFF
Specfic IC
2
3
4
5

Model Line-ups
2.0A
output
3.3V output
R33LD20
5.0V output
R05LD20
9.0V output
R09LD20
12.0V output
R12LD20

ABSOLUTE MAXIMUM RATINGS
(Ta=25
C)
PARAMETER SYMBOL
RATING
UNIT
Input voltage
(note 1)
V
IN
20 V
ON/OFF control terminal voltage
(note1)
Vc
20
V
Output current
Io
2.0
A
P
D1
1.4 W
Power dissipation
(note2)
P
D2
15 W
Junction temperature
(note3)
Tj
150
C
Operating temperature
T
opr
-20 ~ +80
C
Storeage temperature
T
stg
-40 ~ +150
C
Soldering temperature
T
sol
260(For
10s)
C
note1 : All are open except GND and applicable terminals.
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R102-015,A
note2 : P
D1
:No heat sink; P
D2
:With infinite heat sink
note3 : Overheat protection may operate at 125
Tj 150C


UTC R33LD20 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, unless otherwise specified, Ta=25
C)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN TYP MAX UNIT
Output voltage
Vo
Vin=5V, Io=1A
3.201
3.3
3.399
V
Line regulation
Vo Vin=4~10V,
Io=5mA
0.1
2.5
%
Load regulation
Vo
Vin=5V, Io=5mA ~2.0A
0.1
2.0
%
Temperature
coefficient of output
voltage
TcVo Tj=0~125
C,Io=5mA
0.02
%/
C
Ripple rejection
RR
Refer to Fig.2
45
55
dB
Dropout voltage
Vd
(note4)
,
Io=2A
0.5
V
ON-state voltage
for control
(note5)
Vc
(ON)
Vin=5V
2.0
V
ON-state current for
control
Ic
(ON)
Vc=2.7V,Vin=5V
20
A
OFF-state voltage
for control
Vc
(OFF)
Vin=5V
0.8
V
OFF-state current
for control
Ic
(OFF)
Vc=0.4V,
Vin=5V
-0.4
mA
Quiescent current
Iq
Io=0A, Vin=5V
10
mA


UTC R05LD20 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, unless otherwise specified, Ta=25
C)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN TYP MAX UNIT
Output voltage
Vo
Vin=7V, Io=1A
4.85
5.0
5.15
V
Line regulation
Vo Vin=6~12V,
Io=5mA
0.5
2.5
%
Load regulation
Vo
Vin=7V, Io=5mA ~2.0A
0.1
2.0
%
Temperature
coefficient of output
voltage
TcVo Tj=0~125
C,Io=5mA
0.02
%/
C
Ripple rejection
RR
Refer to Fig.2
45
55
dB
Dropout voltage
Vd
(note4)
,
Io=2A
0.5
V
ON-state voltage
for control
(note5)
Vc
(ON)
Vin=7V
2.0
V
ON-state current for
control
Ic
(ON)
Vc=2.7V,Vin=7V
20
A
OFF-state voltage
for control
Vc
(OFF)
Vin=7V
0.8
V
OFF-state current
for control
Ic
(OFF)
Vc=0.4V,
Vin=7V
-0.4
mA
Quiescent current
Iq
Io=0A, Vin=7V
10
mA




UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R102-015,A

UTC R09LD20 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, unless otherwise specified, Ta=25
C)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN TYP MAX UNIT
Output voltage
Vo
Vin=11V, Io=1A
8.73
9.0
9.27
V
Line regulation
Vo Vin=10~16V,
Io=5mA
0.5
2.5
%
Load regulation
Vo
Vin=11V, Io=5mA ~2.0A
0.1
2.0
%
Temperature
coefficient of output
voltage
TcVo Tj=0~125
C,Io=5mA
0.02
%/
C
Ripple rejection
RR
Refer to Fig.2
45
55
dB
Dropout voltage
Vd
(note4)
,
Io=2A
0.5
V
ON-state voltage
for control
(note5)
Vc
(ON)
Vin=11V
2.0
V
ON-state current for
control
Ic
(ON)
Vc=2.7V,Vin=11V
20
A
OFF-state voltage
for control
Vc
(OFF)
Vin=11V
0.8
V
OFF-state current
for control
Ic
(OFF)
Vc=0.4V,
Vin=11V
-0.4
mA
Quiescent current
Iq
Io=0A, Vin=11V
10
mA


UTC R12LD20 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, unless otherwise specified, Ta=25
C)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN TYP MAX UNIT
Output voltage
Vo
Vin=14V, Io=1A
11.64
12.0
12.36
V
Line regulation
Vo Vin=13~19V,
Io=5mA
0.5
2.5
%
Load regulation
Vo
Vin=14V, Io=5mA ~2.0A
0.1
2.0
%
Temperature
coefficient of output
voltage
TcVo Tj=0~125
C,Io=5mA
0.02
%/
C
Ripple rejection
RR
Refer to Fig.2
45
55
dB
Dropout voltage
Vd
(note4)
,
Io=2A
0.5
V
ON-state voltage
for control
(note5)
Vc
(ON)
Vin=14V
2.0
V
ON-state current for
control
Ic
(ON)
Vc=2.7V,Vin=14V
20
A
OFF-state voltage
for control
Vc
(OFF)
Vin=14V
0.8
V
OFF-state current
for control
Ic
(OFF)
Vc=0.4V,
Vin=14V
-0.4
mA
Quiescent current
Iq
Io=0A, Vin=14V
10
mA
note4 : Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
note5 : TO-220B: In case of opening control teminal
5 ,output voltage turns on.
*
TO-220F-4: In case of opening control teminal
4 ,output voltage turns on.


UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R102-015,A
Fig.1 Test Circuit
1
4
3
2
A
V
Vo
0.33F
Vc
Iq
Io
Ic
RL
47F
+
V
IN
(2)
(3)
(5)
(4)
A
A
1
4
3
2
V
+
+
Fig.2 Test Circuit of Ripple Rejection
VIN
0.33F
47F
Io
RL
ei
eo
f=120Hz
ei=0.5Vrms
VIN=5V(R33LD20)
7V(R05LD20)
11V(R09LD20)
14V(R12LD20)
Io=0.5A
RR=20log(ei/eo)
(2)
(3)
(5)
(4)
P
o
wer
d
i
ss
ip
atio
n P
D
(W
)
-20
80
40
20
0
60
0
5
10
15
20
0
0
O
u
t
p
u
t
vo
lt
age

V
o
(V
)
Ambient temperature Ta()
Fig.3 Power Dissipation vs.
Ambient Temperature
Output current Io(A)
Fig.4 Overcurrent Protection
Characteristics(Typical Value) (R33LD20)
PD1
PD2
PD1:No heat sink
PD2:With infinite heat sink
4.0
3.0
2.0
1.0
9
8
7
6
5
4
3
2
1
10
11
12
Vd=2V
Note) Oblique line portion:Overheat protection may operate in this area.
Vd=3V
Vd=0.5V
Vd=1V
( ) : TO-220B
( ) : TO-220B
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R102-015,A
O
u
t
p
u
t

v
o
l
t
a
g
e

V
o
(
V
)
Output current Io (A)
0
4.0
3.0
2.0
1.0
12
11
10
9
8
7
6
5
4
3
2
1
Fig.6 Overcurrent Protection Characteristics
(Typical Value)(R09LD20)
O
u
t
p
u
t

v
o
l
t
a
g
e

V
o
(
V
)
Output current Io (A)
Fig.7 Overcurrent Protection Characteristics
(Typical Value)(R12LD20)
Output current Io (A)
O
u
t
p
u
t

v
o
l
t
a
g
e

V
o
(
V
)
0
4.0
3.0
2.0
1.0
12
11
10
9
8
7
6
5
4
3
2
1
Vd=0.5V
Fig.8 Output Voltage Deviation vs .Junction
Temperature (R03LD20)
O
u
t
put
v
o
l
t
a
g
e
de
v
i
a
t
i
o
n
Vo
(
m
V)
-25
100
50
25
0
75
125
-100
-50
0
50
100
150
V
IN
=5V
Io=0.5A
Junction temperature Tj
(
)
Fig.9 Output Voltage Deviation vs .Junction
Temperature (R05LD20)
Outp
u
t
vo
l
t
ag
e
d
e
viati
o
n

Vo
(
m
V)
-25
100
50
25
0
75
125
Junction temperature T
j
()
-100
-50
0
50
100
150
V
IN
=7V
Io=0.5A
V
IN
=11V
Io=0.5A
-25
100
50
25
0
75
125
-150
-100
-50
0
50
100
150
250
Fig.10 Output Voltage Deviation vs .Junction
Temperature (R09LD20)
Outp
u
t
vo
l
t
ag
e
d
e
viati
o
n

Vo
(
m
V)
Junction temperature T
j
()
Vd=2V
Vd=3V
Vd=1V
Vd=0.5V
Vd=2V
Vd=3V
Vd=1V
Fig.5 Overcurrent Protection
Characteristics (Typical Value)(R05LD20)
0
4.0
3.0
2.0
1.0
12
11
10
9
8
7
6
5
4
3
2
1
Vd=3V
Vd=1V
Vd=2V
Vd=0.5V
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
6
QW-R102-015,A
Input voltage V
IN
(V)
O
u
t
p
u
t

v
o
l
t
a
g
e

V
o
(
V
)
Vi-o=0.5V
Vi-o=1V
0
15
10
5
0
5
10
O
u
tput vo
l
t
age
V
o
(V
)
0
25
15
10
5
20
0
5
10
15
20
V
IN
=18V
Io=0.5A
-25
100
50
25
0
75
125
-150
-100
-50
0
50
100
150
250
Fig.11 Output Voltage Deviation vs .Junction
Temperature (R12LD20)
Outp
u
t
vo
ltage
d
evi
atio
n

Vo
(
m
V)
Junction temperature T
j
()
200
-200
Fig.12 Output Voltage vs .Input
Voltage (R33LD20)
0
8
6
4
2
8
7
6
5
4
3
2
1
10
0
Fig.13 Output Voltage vs .Input
Voltage (R05LD20)
Input voltage V
IN
(V)
Fig.14 Output Voltage vs .Input
Voltage (R09LD20)
O
u
t
p
u
t

v
o
l
t
a
g
e

V
o
(
V
)
Input voltage V
IN
(V)
Input voltage V
IN
(V)
Fig.15 Output Voltage vs .Input
Voltage (R12LD20)
Fig.16 Circuit Operating Current vs .Input
Voltage (R33LD20)
RL=
RL=2.5
RL=2.5
RL=
RL=9
RL=4.5
RL=
RL=12
RL=6
0
8
6
4
2
8
7
6
5
4
3
2
1
O
u
t
p
u
t

v
o
l
t
a
g
e

V
o
(
V
)
10
RL=
RL=3.3
RL=1.65
0
0
5
10
0
20
40
60
80
Input voltage V
IN
(V)
RL=
RL=3.3
RL=1.65
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
7
QW-R102-015,A
Input voltage V
IN
(V)
-25
100
50
25
0
75
0
2
4
6
8
R
i
p
p
l
e r
e
j
ectio
n R
R
(
d
B
)
Input voltage V
IN
(V)
Fig.20 Dropout Voltage vs .Junction
Temperature
Dr
o
p
o
u
t


v
o
l
t
a
g
e

V
i
-
o
(
V
)
Junction temperature Tj()
Input ripple frequency f(kHz)
Fig.22 Ripple Rejection vs .Input Ripple
Frequency
0
5
10
0
20
40
60
80
C
i
rcui
t ope
rati
ng cu
rrent I
BIAS
(mA
)
Fig.17 Circuit Operating Current vs .Input
Voltage (R05LD20)
Input voltage V
IN
(V)
0
10
15
Fig.18 Circuit Operating Current vs .Input
Voltage (R09LD20)
0
20
40
60
80
5
20
40
60
80
Fig.19 Circuit Operating Current vs .Input
Voltage (R12LD20)
C
i
rcu
i
t opera
t
i
ng current I
BI
AS
(mA
)
0
25
15
10
5
20
0
-25
50
0
0.1
0.2
0.3
0.4
125
100
0
75
25
0.5
125
10
Fig.21 Quiescent Current vs .Junction
Temperature
Q
u
i
e
s
c
e
n
t

c
u
r
r
e
n
t

I
q

(
m
A
)
Junction temperature Tj()
Io=oA
C
i
r
c
ui
t
ope
r
a
t
i
ng c
u
r
r
e
n
t I
BIAS
(m
A
)
RL=
RL=5
RL=2.5
RL=
RL=9
RL=4.5
RL=
RL=12
RL=6
R33LD20
R12LD20
R09LD20
R05LD20
R12LD20
R09LD20
R05LD20
R33LD20
0.1
100
0
20
40
60
80
70
50
30
10
10
1
R33LD20(V
IN
=5V)
R05LD20(V
IN
=7V)
R09LD20(V
IN
=11V)
R12LD20
(V
IN
=14V)
I0=c=0.5A,ei=0.5Vrms
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
8
QW-R102-015,A
TYPICAL APPLICATION
1
4
3
2
V
IN
V
O
lo
ad
Cin
Co
+
ON/OFF signal
High or Open:Output ON
Low :Output OFF
( ) : TO-220B
(2)
(3)
(4)
(5)