ETC R33LD20

UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
2.0A Output Type Low Power-Loss
Voltage Regulator
1
FEATURES
TO-220F-4
*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.
1
APPLICATIONS
TO-220B
*Power supplies for various electronic equipment such as
AV,OA equipment.
INTERNAL CONNECTION DIAGRAM
TO-220F-4
1
2
3
4
INPUT
OUTPUT
GND
ON/OFF
1
TO-220B
2
1
2
3
4
5
Specfic IC
3
4
2
NC
INPUT
OUTPUT
GND
ON/OFF
3
Specfic IC
5
4
Model Line-ups
2.0A output
3.3V output
5.0V output
9.0V output
12.0V output
R33LD20
R05LD20
R09LD20
R12LD20
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
Input voltage (note 1)
ON/OFF control terminal voltage (note1)
Output current
Power dissipation (note2)
SYMBOL
VIN
Vc
Io
PD1
PD2
Junction temperature (note3)
Tj
Operating temperature
Topr
Storeage temperature
Tstg
Soldering temperature
Tsol
note1 : All are open except GND and applicable terminals.
UTC
RATING
UNIT
20
20
2.0
1.4
15
150
-20 ~ +80
-40 ~ +150
260(For 10s)
V
V
A
W
W
°C
°C
°C
°C
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R102-015,A
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
note2 : PD1:No heat sink; PD2:With infinite heat sink
note3 : Overheat protection may operate at 125≦ Tj≦ 150°C
UTC R33LD20 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, unless otherwise specified, Ta=25°C)
PARAMETER
SYMBOL
Output voltage
Line regulation
Load regulation
Temperature
coefficient of output
voltage
Ripple rejection
Dropout voltage
ON-state voltage
for control(note5)
ON-state current for
control
OFF-state voltage
for control
OFF-state current
for control
Quiescent current
Vo
∆Vo
∆Vo
TcVo
Vin=5V, Io=1A
Vin=4~10V, Io=5mA
Vin=5V, Io=5mA ~2.0A
Tj=0~125°C,Io=5mA
TEST CONDITIONS
RR
Vd
Vc(ON)
Refer to Fig.2
(note4)
, Io=2A
Vin=5V
Ic(ON)
MIN
TYP
MAX
UNIT
3.201
3.3
0.1
0.1
3.399
2.5
2.0
V
%
%
%/°C
±0.02
0.5
dB
V
V
Vc=2.7V,Vin=5V
20
µA
Vc(OFF)
Vin=5V
0.8
V
Ic(OFF)
Vc=0.4V, Vin=5V
-0.4
mA
10
mA
Iq
45
55
2.0
Io=0A, Vin=5V
UTC R05LD20 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, unless otherwise specified, Ta=25°C)
PARAMETER
SYMBOL
Output voltage
Line regulation
Load regulation
Temperature
coefficient of output
voltage
Ripple rejection
Dropout voltage
ON-state voltage
for control(note5)
ON-state current for
control
OFF-state voltage
for control
OFF-state current
for control
Quiescent current
Vo
∆Vo
∆Vo
TcVo
Vin=7V, Io=1A
Vin=6~12V, Io=5mA
Vin=7V, Io=5mA ~2.0A
Tj=0~125°C,Io=5mA
RR
Vd
Vc(ON)
Refer to Fig.2
(note4)
, Io=2A
Vin=7V
Ic(ON)
UTC
TEST CONDITIONS
MIN
TYP
MAX
UNIT
4.85
5.0
0.5
0.1
5.15
2.5
2.0
V
%
%
%/°C
±0.02
0.5
dB
V
V
Vc=2.7V,Vin=7V
20
µA
Vc(OFF)
Vin=7V
0.8
V
Ic(OFF)
Vc=0.4V, Vin=7V
-0.4
mA
10
mA
Iq
Io=0A, Vin=7V
45
55
2.0
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R102-015,A
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
UTC R09LD20 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, unless otherwise specified, Ta=25°C)
PARAMETER
SYMBOL
Output voltage
Line regulation
Load regulation
Temperature
coefficient of output
voltage
Ripple rejection
Dropout voltage
ON-state voltage
for control(note5)
ON-state current for
control
OFF-state voltage
for control
OFF-state current
for control
Quiescent current
Vo
∆Vo
∆Vo
TcVo
Vin=11V, Io=1A
Vin=10~16V, Io=5mA
Vin=11V, Io=5mA ~2.0A
Tj=0~125°C,Io=5mA
TEST CONDITIONS
RR
Vd
Vc(ON)
Refer to Fig.2
(note4)
, Io=2A
Vin=11V
Ic(ON)
MIN
TYP
MAX
UNIT
8.73
9.0
0.5
0.1
9.27
2.5
2.0
V
%
%
%/°C
±0.02
0.5
dB
V
V
Vc=2.7V,Vin=11V
20
µA
Vc(OFF)
Vin=11V
0.8
V
Ic(OFF)
Vc=0.4V, Vin=11V
-0.4
mA
10
mA
MAX
UNIT
Iq
45
55
2.0
Io=0A, Vin=11V
UTC R12LD20 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, unless otherwise specified, Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
Output voltage
Vo
Vin=14V, Io=1A
11.64
12.0
12.36
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
TcVo
Tj=0~125°C,Io=5mA
±0.02
coefficient of output
voltage
Ripple rejection
RR
Refer to Fig.2
45
55
(note4)
Dropout voltage
Vd
, Io=2A
0.5
ON-state voltage
Vin=14V
2.0
Vc(ON)
for control(note5)
ON-state current for
Ic(ON)
Vc=2.7V,Vin=14V
20
control
OFF-state voltage
Vc(OFF)
Vin=14V
0.8
for control
OFF-state current
Ic(OFF)
Vc=0.4V, Vin=14V
-0.4
for control
Quiescent current
Iq
Io=0A, Vin=14V
10
note4 : Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
V
%
%
%/°C
dB
V
V
µA
V
mA
mA
5 ,output voltage turns on.
note5 : TO-220B: In case of opening control teminal ○
*TO-220F-4: In case of opening control teminal ○
4 ,output voltage turns on.
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R102-015,A
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
47μF
VIN
1 (2)
Vo
(3) 2
(4)
3
0.33μF
A
(5) 4
Vc
Io
A
+
A
V
( ) : TO-220B
RL
Iq
Ic
Fig.1 Test Circuit
1 (2)
ei
(4)
3
0.33μF
+
(3) 2
(5) 4
Io
47μF
+
V eo
RL
VIN
( ) : TO-220B
VIN=5V(R33LD20)
7V(R05LD20)
11V(R09LD20)
14V(R12LD20)
f=120Hz
ei=0.5Vrms
Io=0.5A
RR=20log(ei/eo)
Fig.2 Test Circuit of Ripple Rejection
Fig.3 Power Dissipation vs.
Ambient Temperature
12
PD1:No heat sink
PD2:With infinite heat sink
11
Output voltage Vo(V)
Power dissipation PD(W)
20
Fig.4 Overcurrent Protection
Characteristics(Typical Value) (R33LD20)
PD2
15
10
5
9
8
7
6
5
3
0
20
Vd=3V
Vd=0.5V
1
0
-20
Vd=1V
4
2
PD1
0
10
40
60
80
Vd=2V
0
Ambient temperature Ta(℃)
1.0
2.0
3.0
4.0
Output current Io(A)
Note) Oblique line portion:Overheat protection may operate in this area.
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R102-015,A
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
Fig.6 Overcurrent Protection Characteristics
(Typical Value)(R09LD20)
12
12
11
11
10
10
Output voltage Vo(V)
Output voltage Vo(V)
Fig.5 Overcurrent Protection
Characteristics (Typical Value)(R05LD20)
9
8
7
Vd=2V
6
5
Vd=3V
4
3
Vd=1V
8
7
Vd=3V
6
5
Vd=1V
4
3
2
2
1
0
1.0
2.0
3.0
Vd=0.5V
1
Vd=0.5V
4.0
0
Output current Io (A)
Vd=2V
Output voltage Vo(V)
10
Vd=3V
9
8
7
Vd=1V
6
5
4
3
Vd=0.5V
2
1
0
1.0
2.0
3.0
4.0
Output current Io (A)
Fig.9 Output Voltage Deviation vs .Junction
Temperature (R05LD20)
100
50
0
-50
-100
-25
50
0
-50
50
75
100
Junction temperature Tj(℃)
UTC
125
0
25
50
75
100
125
25
50
75
100
125
Junction temperature Tj(℃)
Fig.10 Output Voltage Deviation vs .Junction
Temperature (R09LD20)
Output voltage deviation △Vo(mV)
100
25
4.0
VIN=5V
Io=0.5A
250
VIN=7V
Io=0.5A
0
3.0
150
150
-100
-25
2.0
Fig.8 Output Voltage Deviation vs .Junction
Temperature (R03LD20)
Output voltage deviation 忖Vo(mV)
12
11
1.0
Output current Io (A)
Fig.7 Overcurrent Protection Characteristics
(Typical Value)(R12LD20)
Output voltage deviation △Vo(mV)
Vd=2V
9
150
VIN=11V
Io=0.5A
100
50
0
-50
-100
-150
-25
0
Junction temperature Tj(℃)
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R102-015,A
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
Fig.12 Output Voltage vs .Input
Voltage (R33LD20)
250
200
8
VIN=18V
Io=0.5A
7
Output voltage Vo(V)
Output voltage deviation △Vo(mV)
Fig.11 Output Voltage Deviation vs .Junction
Temperature (R12LD20)
150
100
50
0
-50
-100
6
5
4
RL=∞Ω
3
RL=3.3Ω
2
RL=1.65Ω
1
-150
-200
-25
0
25
50
75
100
0
125
0
Fig.13 Output Voltage vs .Input
Voltage (R05LD20)
4
6
8
10
Fig.14 Output Voltage vs .Input
Voltage (R09LD20)
10
8
RL=∞Ω
Output voltage Vo(V)
7
Output voltage Vo(V)
2
Input voltage V IN(V)
Junction temperature T j(℃)
6
5
4
RL=2.5Ω
RL=∞Ω
3
Vi-o=1V
RL=2.5Ω
Vi-o=0.5V
2
RL=9Ω
RL=4.5Ω
5
1
0
0
0
2
4
6
Input voltage VIN(V)
8
5
10
15
Input voltage V IN(V)
Fig.15 Output Voltage vs .Input
Voltage (R12LD20)
Fig.16 Circuit Operating Current vs .Input
Voltage (R33LD20)
20
80
15
Output voltage Vo(V)
0
10
60
RL=∞Ω
10
40
RL=12Ω
RL=6Ω
RL=3.3Ω
5
20
0
0
RL=1.65Ω
RL=∞Ω
0
5
10
15
Input voltage V IN(V)
UTC
20
25
0
5
10
Input voltage V IN(V)
UNISONIC TECHNOLOGIES CO., LTD.
6
QW-R102-015,A
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
80
60
40
RL=2.5Ω
20
RL=5Ω
RL=∞Ω
0
0
5
Fig.18 Circuit Operating Current vs .Input
Voltage (R09LD20)
80
Circuit operating current IBIAS(mA)
Circuit operating current I BIAS(mA)
Fig.17 Circuit Operating Current vs .Input
Voltage (R05LD20)
60
40
RL=9Ω
0.5
Dropout voltage Vi-o(V)
Circuit operating current I BIAS(mA)
Input voltage V IN(V)
Fig.20 Dropout Voltage vs .Junction
Temperature
80
60
40
RL=6Ω
20
RL=12Ω
RL=∞Ω
0
5
10
Input voltage
15
V IN(V)
20
R05LD20
0.2
0.1
-25
0
25
50
75
100
125
80
Io=oA
R33LD20(VIN=5V)
8
6
R12LD20
R09LD20
4
R33LD20
R05LD20
2
R09LD20
0.3
Junction temperature Tj(℃)
Fig.22 Ripple Rejection vs .Input Ripple
Frequency
Ripple rejection RR(dB)
10
R12LD20
R33LD20
0.4
0
25
Fig.21 Quiescent Current vs .Junction
Temperature
Quiescent current Iq (mA)
15
10
5
0
Fig.19 Circuit Operating Current vs .Input
Voltage (R12LD20)
0
RL=∞Ω
0
10
Input voltage V IN(V)
RL=4.5Ω
20
70
60
R12LD20
(VIN=14V)
R09LD20(VIN=11V)
50
R05LD20(VIN=7V)
40
30
20
10
0
I0=c=0.5A,ei=0.5Vrms
-25
0
25
50
75
100
Junction temperature Tj(℃)
UTC
125
0
0.1
1
10
100
Input ripple frequency f(kHz)
UNISONIC TECHNOLOGIES CO., LTD.
7
QW-R102-015,A
UTC RXXLD20
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION
VIN
Cin
( ) : TO-220B
UTC
VO
(3) 2
(4)
3
(5) 4
+
Co
load
1 (2)
ON/OFF signal
High or Open:Output ON
Low
:Output OFF
UNISONIC TECHNOLOGIES CO., LTD.
8
QW-R102-015,A