UNISONIC TECHNOLOGIES CO., LTD
RXXLD20
2A OUTPUT TYPE LOW
POWER-LOSS VOLTAGE
REGULATOR
FEATURES
* Low power-loss(Dropout voltage: 0.5V(max) at I
OUT
=2.0A)
* 2.0A output type
* Output voltage precision: ±3.0%
* Built-in ON/OFF control function and over-current protection
circuit.
* Thermal shutdown protection.
LINEAR INTEGRATED CIRCUIT
ORDERING INFORMATION
Ordering Number
Pin Assignment
Package
Lead Free
Halogen Free
1
2
3
4
5
RXXLD20L-TB5-T
RXXLD20G-TB5-T
TO-220B
N
I
O G
F
RXXLD20L-TF4-T
RXXLD20G-TF4-T
TO-220F-4
I
O G
F
-
Note: Pin Assignment: N: NC, I: INPUT, O: OUTPUT, G: GND, F: ON/OFF
Packing
Tube
Tube
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QW-R102-015.K
RXXLD20
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
33 :3.3V
35 :3.5V
05 :5.0V
06 :6.0V
08: 8.0V
09 :9.0V
10 :10V
12 :12V
15 :15V
LINEAR INTEGRATED CIRCUIT
MARKING
TO-220F-4
TO-220B
BLOCK DIAGRAM
TO-220F-4
TO-220B
2
3
Specfic IC
5
4
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QW-R102-015.K
RXXLD20
PARAMETER
SYMBOL
Input Voltage(Note1)
V
IN
ON/OFF Control Terminal Voltage (Note1)
Vc
Output Current
I
OUT
No Heat Sink
Power Dissipation
P
D
With Heat Sink
Junction Temperature (Note2)
T
J
Operating Temperature
T
OPR
Storage Temperature
T
STG
Note 1: All are open except GND and applicable terminals.
Note
2: Overheat protection may operate at 125≦T
J
≦150°C
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
(T
A
=25°C, unless otherwise specified.)
RATINGS
20
20
2.0
1.4
15
150
-40 ~ +85
-40 ~ +150
UNIT
V
V
A
W
W
°C
°C
°C
ELECTRICAL CHARACTERISTICS
(Refer to the test circuits, unless otherwise specified, T
A
=25°C)
For R33LD20(3.3V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
ON
Voltage for Control(Note 2)
OFF
ON
Current for Control
OFF
Quiescent Current
For R35LD20(3.5V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
ON
Voltage for Control (Note 2)
OFF
ON
Current for Control
OFF
Quiescent Current
SYMBOL
V
OUT
ΔV
OUT
ΔV
OUT
T
C
V
O
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
Q
SYMBOL
V
OUT
ΔV
OUT
ΔV
OUT
T
C
V
O
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
Q
TEST CONDITIONS
V
IN
=5V, I
OUT
=1A
V
IN
=4 ~ 10V, I
OUT
=5mA
V
IN
=5V, I
OUT
=5mA ~ 2.0A
T
J
=0 ~ 125°C,I
OUT
=5mA
Refer to Fig.2
(Note 1), I
OUT
=2A
V
IN
=5V
V
IN
=5V
V
C
=2.7V,V
IN
=5V
V
C
=0.4V, V
IN
=5V
I
OUT
=0A, V
IN
=5V
TEST CONDITIONS
V
IN
=5.5V, I
OUT
=1A
V
IN
=4.5 ~ 10.5V, I
OUT
=5mA
V
IN
=5.5V, I
OUT
=5mA ~ 2.0A
T
J
=0 ~ 125°C,I
OUT
=5mA
Refer to Fig.2
(Note 1), I
OUT
=2A
V
IN
=5V
V
IN
=5V
V
C
=2.7V,V
IN
=5.5V
V
C
=0.4V, V
IN
=5.5V
I
OUT
=0A, V
IN
=5.5V
MIN
3.201
TYP MAX UNIT
3.3 3.399
V
0.1
2.5
%
0.1
2.0
%
±0.02
%/°C
55
dB
0.5
V
V
0.8
V
20
μA
-0.4
mA
10
mA
TYP MAX UNIT
3.5 3.605
V
0.1
2.5
%
0.1
2.0
%
±0.02
%/°C
55
dB
0.5
V
V
0.8
V
20
μA
-0.4
mA
10
mA
45
2.0
MIN
3.395
45
2.0
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QW-R102-015.K
RXXLD20
ELECTRICAL CHARACTERISTICS(Cont.)
For R05LD20(5V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
ON
Voltage for Control (Note 2)
OFF
ON
Current for Control
OFF
Quiescent Current
For R06LD20(6V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
ON
Voltage for Control (Note 2)
OFF
ON
Current for Control
OFF
Quiescent Current
For R08LD20(8V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
ON
Voltage for Control (Note 2)
OFF
ON
Current for Control
OFF
Quiescent Current
SYMBOL
V
OUT
ΔV
OUT
ΔV
OUT
T
C
V
O
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
Q
SYMBOL
V
OUT
ΔV
OUT
ΔV
OUT
T
C
V
O
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
Q
SYMBOL
V
OUT
ΔV
OUT
ΔV
OUT
T
C
V
O
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
Q
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS
V
IN
=7V, I
OUT
=1A
V
IN
=6 ~ 12V, I
OUT
=5mA
V
IN
=7V, I
OUT
=5mA ~ 2.0A
T
J
=0 ~ 125°C, I
OUT
=5mA
Refer to Fig.2
(Note 1), I
OUT
=2A
V
IN
=7V
V
IN
=7V
V
C
=2.7V, V
IN
=7V
V
C
=0.4V, V
IN
=7V
I
OUT
=0A, V
IN
=7V
TEST CONDITIONS
V
IN
=8V, I
OUT
=1A
V
IN
=7 ~ 13V, I
OUT
=5mA
V
IN
=8V, I
OUT
=5mA ~ 2.0A
T
J
=0 ~ 125°C, I
OUT
=5mA
Refer to Fig.2
(Note 1), I
OUT
=2A
V
IN
=8V
V
IN
=8V
V
C
=2.7V, V
IN
=8V
V
C
=0.4V, V
IN
=8V
I
OUT
=0A, V
IN
=8V
TEST CONDITIONS
V
IN
=10V, I
OUT
=1A
V
IN
=9~15V, I
OUT
=5mA
V
IN
=10V, I
OUT
=5mA~2.0A
T
J
=0~125°C, I
OUT
=5mA
Refer to Fig.2
(Note 1), I
OUT
=2A
V
IN
=10V
V
IN
=10V
V
C
=2.7V, V
IN
=10V
V
C
=0.4V, V
IN
=10V
I
OUT
=0A, V
IN
=10V
MIN
4.85
45
2.0
TYP
5.0
0.5
0.1
±0.02
55
MAX
5.15
2.5
2.0
0.5
0.8
20
-0.4
10
MIN
5.82
TYP
6.0
0.5
0.1
±0.02
55
MAX
6.18
2.5
2.0
UNIT
V
%
%
%/°C
dB
V
V
V
μA
mA
mA
UNIT
V
%
%
%/°C
dB
V
V
V
μA
mA
mA
UNIT
V
%
%
%/°C
dB
V
V
V
μA
mA
mA
45
2.0
0.5
0.8
20
-0.4
10
MIN
7.76
TYP
8.0
0.5
0.1
±0.02
55
MAX
8.24
2.5
2.0
45
2.0
0.5
0.8
20
-0.4
10
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QW-R102-015.K
RXXLD20
ELECTRICAL CHARACTERISTICS(Cont.)
For R09LD20(9V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
ON
Voltage for Control (Note 2)
OFF
ON
Current for Control
OFF
Quiescent Current
For R10LD20(10V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
ON
Voltage for Control (Note 2)
OFF
ON
Current for Control
OFF
Quiescent Current
For R12LD20(12V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
ON
Voltage for Control (Note 2)
OFF
ON
Current for Control
OFF
Quiescent Current
SYMBOL
V
OUT
ΔV
OUT
ΔV
OUT
T
C
V
O
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
Q
SYMBOL
V
OUT
ΔV
OUT
ΔV
OUT
T
C
V
O
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
Q
SYMBOL
V
OUT
ΔV
OUT
ΔV
OUT
T
C
V
O
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
Q
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS
V
IN
=11V, I
OUT
=1A
V
IN
=10~16V, I
OUT
=5mA
V
IN
=11V, I
OUT
=5mA~2.0A
T
J
=0~125°C, I
OUT
=5mA
Refer to Fig.2
(Note 1), I
OUT
=2A
V
IN
=11V
V
IN
=11V
V
C
=2.7V, V
IN
=11V
V
C
=0.4V, V
IN
=11V
I
OUT
=0A, V
IN
=11V
TEST CONDITIONS
V
IN
=12V, I
OUT
=1A
V
IN
=11~17V, I
OUT
=5mA
V
IN
=12V, I
OUT
=5mA~2.0A
T
J
=0~125°C, I
OUT
=5mA
Refer to Fig.2
(Note 1), I
OUT
=2A
V
IN
=12V
V
IN
=12V
V
C
=2.7V, V
IN
=12V
V
C
=0.4V, V
IN
=12V
I
OUT
=0A, V
IN
=12V
TEST CONDITIONS
V
IN
=14V, I
OUT
=1A
V
IN
=13~19V, I
OUT
=5mA
V
IN
=14V, I
OUT
=5mA~2.0A
T
J
=0~125°C, I
OUT
=5mA
Refer to Fig.2
(Note 1), I
OUT
=2A
V
IN
=14V
V
IN
=14V
V
C
=2.7V, V
IN
=14V
V
C
=0.4V, V
IN
=14V
I
OUT
=0A, V
IN
=14V
MIN
8.73
45
2.0
TYP
9.0
0.5
0.1
±0.02
55
MAX
9.27
2.5
2.0
0.5
0.8
20
-0.4
10
MIN
9.7
TYP
10.0
0.5
0.1
±0.02
55
MAX
10.3
2.5
2.0
UNIT
V
%
%
%/°C
dB
V
V
V
μA
mA
mA
UNIT
V
%
%
%/°C
dB
V
V
V
μA
mA
mA
45
2.0
0.5
0.8
20
-0.4
10
MIN
11.64
45
2.0
TYP MAX UNIT
12.0 12.36
V
0.5
2.5
%
0.1
2.0
%
±0.02
%/°C
55
dB
0.5
V
V
0.8
V
20
μA
-0.4
mA
10
mA
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QW-R102-015.K
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