Datasheet

UNISONIC TECHNOLOGIES CO.,LTD
RXXLD30
Linear Integrated Circuit
3A OUTPUT TYPE LOW
POWER-LOSS VOLTAGE
REGULATOR

FEATURES
*Low power-loss(Dropout voltage: 0.5V(max) at Io=3.0A)
*3.0A output type
*Output voltage precision:±3.0%
*Built-in ON/OFF control function and over-current protection
circuit.
*Thermal shutdown protection.

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
RXXLD30L-TB5-T
RXXLD30G-TB5-T
RXXLD30L-TF4-T
RXXLD30G-TF4-T
Note: Pin Assignment: N: NC I: INPUT O: OUTPUT
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Copyright © 2014 Unisonic Technologies Co.,LTD
Pin Assignment
1
2
3
4
5
TO-220B
N
I
O G
F
TO-220F-4
I
O G
F
G: GND F: ON/OFF
Package
Packing
Tube
Tube
1 of 9
QW-R102-028.B
RXXLD30


Linear Integrated Circuit
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
TO-220F-4
TO-220B
33 :3.3V
05 :5.0V
09 :9.0V
12 :12V
MARKING
BLOCK DIAGRAM
TO-220F-4
TO-220B
2
3
Specfic IC
5
4
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QW-R102-028.B
RXXLD30

Linear Integrated Circuit
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified.)
PARAMETER
Input Voltage
ON/OFF Control Terminal Voltage
Output Current
RATINGS
UNIT
20
V
20
V
3.0
A
No Heat Sink
1.4
W
Power Dissipation
PD
With Heat Sink
15
W
Junction Temperature
TJ
125
C
Operating Temperature
TOPR
-40 ~ +85
C
Storage Temperature
TSTG
-40 ~ +150
C
Note: The device is guaranteed to meet performance specification within 0℃~70℃ operating temperature range and
assured by design from –20℃~85℃, characteristic and correlation with static process control.

SYMBOL
VIN
Vc
IOUT
ELECTRICAL CHARACTERISTICS (Refer to the test circuits, unless otherwise specified, Ta=25C)
For R33LD30(3.3V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
ON
Voltage for Control(Note2)
OFF
ON
Current for Control
OFF
Quiescent Current
SYMBOL
VOUT
VOUT
VOUT
TcVo
RR
VD
VC(ON)
VC(OFF)
IC(ON)
IC(OFF)
ID
TEST CONDITIONS
VIN=5V, IOUT=2A
VIN=4 ~ 10V, IOUT=5mA
VIN=5V, IOUT=5mA ~ 3.0A
TJ=0 ~ 125C,IOUT=5mA
Refer to Fig.2
(Note1), IOUT=3A
VIN=5V
VIN=5V
VC=2.7V,VIN=5V
VC=0.4V, VIN=5V
IOUT=0A, VIN=5V
MIN
3.201
For R05LD30(5V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
ON
Voltage for Control(Note2)
OFF
ON
Current for Control
OFF
Quiescent Current
SYMBOL
VOUT
VOUT
VOUT
TcVo
RR
VD
VC(ON)
VC(OFF)
IC(ON)
IC(OFF)
ID
TEST CONDITIONS
VIN =7V, IOUT=2A
VIN =6 ~ 12V, IOUT=5mA
VIN =7V, IOUT=5mA ~ 3.0A
TJ=0 ~ 125C, IOUT=5mA
Refer to Fig.2
(Note1), IOUT=3A
VIN =7V
VIN =7V
VC=2.7V, VIN =7V
VC=0.4V, VIN =7V
IOUT =0A, VIN =7V
MIN
4.85
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45
2.0
45
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
A
-0.4
mA
10
mA
TYP
5.0
0.5
0.1
±0.02
55
MAX
5.15
2.5
2.0
0.5
2.0
0.8
20
-0.4
10
UNIT
V
%
%
%/C
dB
V
V
V
A
mA
mA
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QW-R102-028.B
RXXLD30

Linear Integrated Circuit
ELECTRICAL CHARACTERISTICS(Cont.)
For R09LD30(9V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
ON
Voltage for Control(Note2)
OFF
ON
Current for Control
OFF
Quiescent Current
SYMBOL
VOUT
VOUT
VOUT
TcVo
RR
VD
VC(ON)
VC(OFF)
IC(ON)
IC(OFF)
ID
TEST CONDITIONS
VIN =11V, IOUT=2A
VIN =10 ~ 16V, IOUT=5mA
VIN =11V, IOUT=5mA ~ 3.0A
TJ=0 ~ 125C, IOUT=5mA
Refer to Fig.2
(Note1), IOUT=3A
VIN =11V
VIN =11V
VC=2.7V, VIN =11V
VC=0.4V, VIN =11V
IOUT =0A, VIN =11V
MIN
8.73
45
TYP
9.0
0.5
0.1
±0.02
55
MAX
9.27
2.5
2.0
0.5
2.0
0.8
20
-0.4
10
UNIT
V
%
%
%/C
dB
V
V
V
A
mA
mA
For R12LD30(12V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
Output Voltage
VOUT VIN =14V, IOUT=2A
11.64 12.0 12.36
V
Line Regulation
VOUT VIN =13 ~ 19V, IOUT=5mA
0.5
2.5
%
Load Regulation
VOUT VIN =14V, IOUT=5mA ~ 3.0A
0.1
2.0
%
Temperature Coefficient of Output Voltage
TcVo TJ=0 ~ 125C, IOUT=5mA
±0.02
%/C
Ripple Rejection
RR
Refer to Fig.2
45
55
dB
Dropout Voltage
VD
(Note1), IOUT=3A
0.5
V
ON
VC(ON) VIN =14V
2.0
V
Voltage for Control(Note2)
OFF
VC(OFF) VIN =14V
0.8
V
ON
IC(ON) VC=2.7V, VIN =14V
20
A
Current for Control
OFF
IC(OFF) VC=0.4V, VIN =14V
-0.4
mA
Quiescent Current
ID
IOUT =0A, VIN =14V
10
mA
Note: 1.Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
2.In case of opening control terminal(pin 5 of TO-220B, pin 4 of TO-220F-4), output voltage turns on.
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QW-R102-028.B
RXXLD30

Linear Integrated Circuit
TEST CIRCUIT
Note : ○: TO-220F-4, ( ): TO-220B
Fig.1
TYPICAL APPLICATION
load

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QW-R102-028.B
RXXLD30
Output voltage, Vo (V)
TYPICAL CHARACTERISTICS
Power dissipation, PD (W)

Linear Integrated Circuit
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QW-R102-028.B
RXXLD30
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Linear Integrated Circuit
TYPICAL CHARACTERISTICS(cont.)
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RXXLD30
TYPICAL CHARACTERISTICS(cont.)
Fig.15 Output Voltage vs .Input
Voltage (R12LD30)
Fig.16 Circuit Operating Current vs .Input
Voltage (R33LD30)
20
80
Output voltage, Vo (V)
Output voltage, Vo (V)
15
RL=
10
RL=6
RL=4
5
60
40
RL=1.65
20
RL=1.1
R L=
0
0
0
5
10
15
20
0
25
5
Fig.17 Circuit Operating Current vs .Input
Voltage (R05LD30)
Fig.18 Circuit Operating Current vs .Input
Voltage (R09LD30)
80
80
60
40
RL=1.66
20
RL=2.5
RL=
0
0
5
10
Circuit operating current, IBIAS (mA)
Circuit operating current, IBIAS (mA)
10
Input voltage, VIN (V)
Input voltage, VIN (V)
60
40
RL=3
20
RL=4.5
RL=
0
15
10
5
0
Input voltage, VIN (V)
Input voltage, VIN (V)
Fig.20 Dropout Voltage vs .Junction
Temperature
Fig.19 Circuit Operating Current vs .Input
Voltage (R12LD30)
0.5
Dropout voltage, Vi-o (V)
80
Circuit operating current, IBIAS (mA)

Linear Integrated Circuit
60
40
RL=4
20
R12LD30
0.4
R33LD30
R09LD30
0.3
R05LD30
0.2
0.1
RL=6
RL=
0
0
0
5
10
15
20
25
Input voltage, VIN (V)
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-25
0
25
50
75
100
125
Junction temperature, TJ (℃)
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QW-R102-028.B
RXXLD30

Linear Integrated Circuit
TYPICAL CHARACTERISTICS(cont.)
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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