R12LD20 [ETC]
2A/0.5V Low Power-Loss Voltage Regulator ; 2A / 0.5V低功耗电压调节器\n
| 型号： | R12LD20 |
| 厂家： | 
ETC |
| 描述： | 2A/0.5V Low Power-Loss Voltage Regulator
|
| 文件： | 总8页 (文件大小：216K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UTCRXXLD20
LINEAR INTEGRATED CIRCUIT
2.0A Output Type Low Power-Loss
Voltage Regulator
1
FEATURES
*Low power-loss(Dropout voltage: 0.5V(max) at Io=2.0A)
*2.0A output type
TO-220F-4
TO-220B
* 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
*Power supplies for various electronic equipment such as
AV,OA equipment.
INTERNAL CONNECTION DIAGRAM
TO-220F-4
TO-220B
1
2
2
3
1
2
3
4
INPUT
OUTPUT
GND
1
2
3
4
5
NC
INPUT
OUTPUT
GND
Specfic IC
Specfic IC
4
5
ON/OFF
3
4
ON/OFF
Model Line-ups
2.0A output
R33LD20
R05LD20
R09LD20
R12LD20
3.3V output
5.0V output
9.0V output
12.0V output
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
SYMBOL
VIN
RATING
UNIT
V
V
A
W
Input voltage (note 1)
20
20
2.0
1.4
15
ON/OFF control terminal voltage (note1)
Output current
Vc
Io
PD1
PD2
Tj
Power dissipation (note2)
W
Junction temperature (note3)
Operating temperature
Storeage temperature
Soldering temperature
150
-20 ~ +80
-40 ~ +150
°C
°C
°C
°C
Topr
Tstg
Tsol
260(For 10s)
note1 : All are open except GND and applicable terminals.
UTC UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R102-015,A
UTCRXXLD20
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
Output voltage
Line regulation
Load regulation
Temperature
SYMBOL
TEST CONDITIONS
MIN
3.201
TYP
3.3
0.1
0.1
±0.02
MAX
3.399
2.5
UNIT
V
%
%
%/°C
Vo
Vin=5V, Io=1A
∆Vo
∆Vo
TcVo
Vin=4~10V, Io=5mA
Vin=5V, Io=5mA ~2.0A
Tj=0~125°C,Io=5mA
2.0
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
RR
Vd
Vc(ON)
Refer to Fig.2
(note4), Io=2A
Vin=5V
45
55
dB
V
V
0.5
2.0
Ic(ON)
Vc(OFF)
Ic(OFF)
Iq
Vc=2.7V,Vin=5V
Vin=5V
20
0.8
-0.4
10
µA
V
Vc=0.4V, Vin=5V
Io=0A, Vin=5V
mA
mA
UTC R05LD20 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, unless otherwise specified, Ta=25°C)
PARAMETER
Output voltage
Line regulation
Load regulation
Temperature
SYMBOL
Vo
∆Vo
∆Vo
TcVo
TEST CONDITIONS
Vin=7V, Io=1A
Vin=6~12V, Io=5mA
Vin=7V, Io=5mA ~2.0A
Tj=0~125°C,Io=5mA
MIN
4.85
TYP
5.0
0.5
0.1
±0.02
MAX
5.15
2.5
UNIT
V
%
%
%/°C
2.0
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
RR
Vd
Vc(ON)
Refer to Fig.2
(note4), Io=2A
Vin=7V
45
55
dB
V
V
0.5
2.0
Ic(ON)
Vc(OFF)
Ic(OFF)
Iq
Vc=2.7V,Vin=7V
Vin=7V
20
0.8
-0.4
10
µA
V
Vc=0.4V, Vin=7V
Io=0A, Vin=7V
mA
mA
UTC UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R102-015,A
UTCRXXLD20
LINEAR INTEGRATED CIRCUIT
UTC R09LD20 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, unless otherwise specified, Ta=25°C)
PARAMETER
Output voltage
Line regulation
Load regulation
Temperature
SYMBOL
TEST CONDITIONS
MIN
8.73
TYP
9.0
0.5
0.1
±0.02
MAX
9.27
2.5
UNIT
V
%
%
%/°C
Vo
Vin=11V, Io=1A
∆Vo
∆Vo
TcVo
Vin=10~16V, Io=5mA
Vin=11V, Io=5mA ~2.0A
Tj=0~125°C,Io=5mA
2.0
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
RR
Vd
Vc(ON)
Refer to Fig.2
(note4), Io=2A
Vin=11V
45
55
dB
V
V
0.5
2.0
Ic(ON)
Vc(OFF)
Ic(OFF)
Iq
Vc=2.7V,Vin=11V
Vin=11V
20
0.8
-0.4
10
µA
V
Vc=0.4V, Vin=11V
Io=0A, Vin=11V
mA
mA
UTC R12LD20 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, unless otherwise specified, Ta=25°C)
PARAMETER
Output voltage
Line regulation
Load regulation
Temperature
SYMBOL
TEST CONDITIONS
MIN
11.64
TYP
12.0
0.5
0.1
±0.02
MAX
12.36
2.5
UNIT
V
%
%
%/°C
Vo
Vin=14V, Io=1A
∆Vo
∆Vo
TcVo
Vin=13~19V, Io=5mA
Vin=14V, Io=5mA ~2.0A
Tj=0~125°C,Io=5mA
2.0
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
RR
Vd
Vc(ON)
Refer to Fig.2
(note4), Io=2A
Vin=14V
45
55
dB
V
V
0.5
2.0
Ic(ON)
Vc(OFF)
Ic(OFF)
Iq
Vc=2.7V,Vin=14V
Vin=14V
20
0.8
-0.4
10
µA
V
Vc=0.4V, Vin=14V
Io=0A, Vin=14V
mA
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 UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R102-015,A
UTCRXXLD20
LINEAR INTEGRATED CIRCUIT
47μF
VIN
Vo
1
2
(2)
(3)
Vc
A
Io
4
A
(5)
(4)
3
+
V
0.33μF
RL
(
) : TO-220B
Iq
A
Ic
Fig.1 Test Circuit
+
1
2
4
(2)
(3)
(5)
Io
47μF
ei
(4)
3
+
eo
V
0.33μF
RL
VIN
(
) : TO-220B
f=120Hz
VIN=5V(R33LD20)
7V(R05LD20)
ei=0.5Vrms
11V(R09LD20)
14V(R12LD20)
Io=0.5A
RR=20log(ei/eo)
Fig.2 Test Circuit of Ripple Rejection
Fig.3 Power Dissipation vs.
Ambient Temperature
Fig.4 Overcurrent Protection
Characteristics(Typical Value) (R33LD20)
20
15
12
PD1:No heat sink
11
10
9
PD2:With infinite heat sink
PD2
8
7
10
6
5
Vd=1V
4
5
3
Vd=0.5V
Vd=3V
2
1
0
PD1
Vd=2V
0
-20
0
0
20
40
60
80
1.0
2.0
3.0
4.0
o(A)
rrent I
ut cu
Outp
Ta(℃)
ature
mper
ient te
Amb
Note) Oblique line portion:Overheat protection may operate in this area.
UTC UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R102-015,A
UTCRXXLD20
LINEAR INTEGRATED CIRCUIT
Fig.6 Overcurrent Protection Characteristics
Fig.5 Overcurrent Protection
(Typical Value)(R09LD20)
Characteristics (Typical Value)(R05LD20)
12
12
11
11
10
9
10
9
Vd=2V
8
7
8
7
Vd=3V
6
Vd=2V
6
5
5
Vd=3V
4
3
Vd=1V
4
3
Vd=1V
2
2
1
Vd=0.5V
1
Vd=0.5V
3.(0A)
0
1.0
Outpu
2.0
t curr
4.0
0
1.0
Outpu
2.0
3.0
4.0
ent Io
(A)
rent Io
t cur
Fig.7 Overcurrent Protection Characteristics
Fig.8 Output Voltage Deviation vs .Junction
(Typical Value)(R12LD20)
Temperature (R03LD20)
12
150
VIN=5V
11
Vd=2V
Io=0.5A
10
100
Vd=3V
9
8
7
50
0
Vd=1V
6
5
4
3
Vd=0.5V
-50
2
1
-100
0
1.0
Outp
2.0
ut cu
3.0
4.0
-25
0
J
25
50
75
100
125
Tj(℃)
Io (A)
erature
rrent
on temp
uncti
Fig.9 Output Voltage Deviation vs .Junction
Fig.10 Output Voltage Deviation vs .Junction
Temperature (R05LD20)
Temperature (R09LD20)
150
250
VIN=11V
VIN=7V
Io=0.5A
150
100
50
Io=0.5A
100
50
0
0
-50
-100
-150
-50
-100
-25
0
25
50
75
100
125
-25
0
25
50
75
100
125
)
℃)
e Tj(℃
eratur
n temp
Tj(
rature
empe
tion t
Junc
Ju
nctio
UTC UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R102-015,A
UTCRXXLD20
LINEAR INTEGRATED CIRCUIT
Fig.11 Output Voltage Deviation vs .Junction
Fig.12 Output Voltage vs .Input
Voltage (R33LD20)
Temperature (R12LD20)
250
200
8
7
VIN=18V
Io=0.5A
150
100
50
6
5
4
3
2
0
RL=∞Ω
RL=3.3Ω
-50
-100
RL=1.65Ω
1
-150
-200
0
-25
0
25
50
75
100
125
10
0
2
4
6
8
Tj(℃)
)
e VIN(V
ature
mper
voltag
Input
ion te
Junct
Fig.13 Output Voltage vs .Input
Fig.14 Output Voltage vs .Input
Voltage (R09LD20)
Voltage (R05LD20)
10
8
RL=∞Ω
RL=9Ω
7
6
5
RL=4.5Ω
5
4
RL=2.5Ω
RL=∞Ω
3
RL=2.5Ω
2
1
0
0
5
10
15
0
0
2
4
6
8
10
IN(V)
ge V
volta
Input
VIN(V)
oltage
Input v
Fig.15 Output Voltage vs .Input
Fig.16 Circuit Operating Current vs .Input
Voltage (R12LD20)
Voltage (R33LD20)
20
80
60
40
15
RL=∞Ω
10
RL=12Ω
RL=6Ω
RL=3.3Ω
RL=1.65Ω
5
20
RL=∞Ω
0
0
0
5
10
0
5
10
15
20
25
V)
ge VIN(
volta
Input
e VIN(V)
voltag
Input
UTC UNISONIC TECHNOLOGIES CO., LTD.
6
QW-R102-015,A
UTCRXXLD20
LINEAR INTEGRATED CIRCUIT
Fig.17 Circuit Operating Current vs .Input
Fig.18 Circuit Operating Current vs .Input
Voltage (R05LD20)
Voltage (R09LD20)
80
80
60
60
40
40
RL=2.5Ω
RL=5Ω
RL=4.5Ω
RL=9Ω
20
0
20
0
RL=∞Ω
RL=∞Ω
15
0
5
10
5
10
0
)
e VIN(V
voltag
)
e VIN(V
Input
voltag
Input
Fig.19 Circuit Operating Current vs .Input
Voltage (R12LD20)
Fig.20 Dropout Voltage vs .Junction
Temperature
80
0.5
R12LD20
0.4
R33LD20
60
40
R09LD20
0.3
R05LD20
0.2
RL=6Ω
RL=12Ω
20
0
0.1
0
RL=∞Ω
-25
0
25
50
75
100
125
0
5
10
Input
15
20
25
e VIN(V)
voltag
j(℃)
ture T
pera
ion tem
Junct
Fig.22 Ripple Rejection vs .Input Ripple
Fig.21 Quiescent Current vs .Junction
Temperature
Frequency
10
80
Io=oA
R33LD20(VIN=5V)
70
R12LD20
8
(VIN=14V)
60
R09LD20(VIN=11V)
50
6
R05LD20(VIN=7V)
40
R12LD20
R05LD20
R09LD20
R33LD20
4
30
20
10
2
I0=c=0.5A,ei=0.5Vrms
0
0
-25
0
25
50
75
100
125
0.1
1
10
100
j(℃)
ture T
mpera
tion te
Junc
kHz)
ncy f(
freque
ipple
Input r
UTC UNISONIC TECHNOLOGIES CO., LTD.
7
QW-R102-015,A
UTCRXXLD20
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION
VO
1 (2)
2
4
(3)
(5)
+
Cin
VIN
(4)
3
Co
ON/OFF signal
High or Open:Output ON
( ) : TO-220B
Low
:Output OFF
UTC UNISONIC TECHNOLOGIES CO., LTD.
8
QW-R102-015,A
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