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UNISONIC TECHNOLOGIES CO.,LTD
RXXLD30
Linear Integrated Circuit
3A OUTPUT TYPE LOW
POWER-LOSS VOLTAGE
REGULATOR
1
FEATURES
TO-220F-4
*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.
1
TO-220B
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
Package
Pin Assignment
12345
TO-220B N I O G F
TO-220F-4 I O G F -
G: GND F: ON/OFF
Packing
Tube
Tube
RXXLD30G-TB5-T
(1) Packing Type
(2) Package Type
(3) Green Package
(4) Voltage Code
(1) T: Tube
(2) TB5: TO-220B, TF4: TO-220F-4
(3) G: Halogen Free and Lead Free, L: Lead Free
(4) XX: refer to Marking Information
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Copyright © 2020 Unisonic Technologies Co.,Ltd
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RXXLD30
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
TO-220F-4
TO-220B
33 :3.3V
05 :5.0V
09 :9.0V
12 :12V
Linear Integrated Circuit
MARKING
Voltage Code
Lot Code
UTC
RXXLD30
L: Lead Free
G: Halogen Free
Date Code
BLOCK DIAGRAM
TO-220F-4
TO-220B
1223
Specfic IC
3
4
Specfic IC
4
5
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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RXXLD30
Linear Integrated Circuit
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified.)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN 20 V
ON/OFF Control Terminal Voltage
VC 20 V
Output Current
IOUT 3.0 A
Power Dissipation
No Heat Sink
With Heat Sink
PD
1.4 W
15 W
Junction Temperature
TJ
+150
C
Operating Temperature
TOPR
-40 ~ +85
C
Storage Temperature
TSTG
-40 ~ +150
C
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. All are open except GND and applicable terminals.
3. This condition is only determined from design. It can't be 100% tested in mass production.
THERMAL DATA
PARAMETER
Junction to Ambient
Junction to Case
SYMBOL
θJA
θJC
RATING
89.3
8.3
UNIT
°C/W
°C/W
ELECTRICAL CHARACTERISTICS (Refer to the test circuits, unless otherwise specified, TA=25C)
For R33LD30(3.3V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
Voltage for Control(Note2)
ON
OFF
Current for Control
ON
OFF
Quiescent Current
SYMBOL TEST CONDITIONS
VOUT
VOUT
VOUT
TcVo
VIN=5V, IOUT=2A
VIN=4 ~ 10V, IOUT=5mA
VIN=5V, IOUT=5mA ~ 3.0A
TJ=0 ~ 125C,IOUT=5mA
RR Refer to Fig.2
VD (Note1), IOUT=3A
VC(ON) VIN=5V
VC(OFF) VIN=5V
IC(ON) VC=2.7V,VIN=5V
IC(OFF) VC=0.4V, VIN=5V
ID IOUT=0A, VIN=5V
MIN
3.201
45
2.0
TYP
3.3
0.1
0.1
±0.02
55
MAX
3.399
2.5
2.0
0.5
0.8
20
-0.4
10
UNIT
V
%
%
%/C
dB
V
V
V
A
mA
mA
For R05LD30(5V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
Voltage for Control(Note2)
ON
OFF
Current for Control
ON
OFF
Quiescent Current
SYMBOL TEST CONDITIONS
VOUT
VOUT
VOUT
TcVo
VIN =7V, IOUT=2A
VIN =6 ~ 12V, IOUT=5mA
VIN =7V, IOUT=5mA ~ 3.0A
TJ=0 ~ 125C, IOUT=5mA
RR Refer to Fig.2
VD (Note1), IOUT=3A
VC(ON) VIN =7V
VC(OFF) VIN =7V
IC(ON) VC=2.7V, VIN =7V
IC(OFF) VC=0.4V, VIN =7V
ID IOUT =0A, VIN =7V
MIN TYP MAX UNIT
4.85 5.0 5.15 V
0.5 2.5 %
0.1 2.0 %
±0.02
%/C
45 55
dB
0.5 V
2.0 V
0.8 V
20 A
-0.4 mA
10 mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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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
Voltage for Control(Note2)
ON
OFF
Current for Control
ON
OFF
Quiescent Current
SYMBOL TEST CONDITIONS
VOUT
VOUT
VOUT
TcVo
VIN =11V, IOUT=2A
VIN =10 ~ 16V, IOUT=5mA
VIN =11V, IOUT=5mA ~ 3.0A
TJ=0 ~ 125C, IOUT=5mA
RR Refer to Fig.2
VD (Note1), IOUT=3A
VC(ON) VIN =11V
VC(OFF) VIN =11V
IC(ON) VC=2.7V, VIN =11V
IC(OFF) VC=0.4V, VIN =11V
ID IOUT =0A, VIN =11V
MIN TYP MAX UNIT
8.73 9.0 9.27 V
0.5 2.5 %
0.1 2.0 %
±0.02
%/C
45 55
dB
0.5 V
2.0 V
0.8 V
20 A
-0.4 mA
10 mA
For R12LD30(12V)
PARAMETER
SYMBOL TEST CONDITIONS
MIN TYP MAX
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
VOUT
VOUT
VOUT
TcVo
RR
VIN =14V, IOUT=2A
VIN =13 ~ 19V, IOUT=5mA
VIN =14V, IOUT=5mA ~ 3.0A
TJ=0 ~ 125C, IOUT=5mA
Refer to Fig.2
11.64
45
12.0
0.5
0.1
±0.02
55
12.36
2.5
2.0
Dropout Voltage
Voltage for Control(Note2)
Current for Control
Quiescent Current
ON
OFF
ON
OFF
VD
VC(ON)
VC(OFF)
IC(ON)
IC(OFF)
ID
(Note1), IOUT=3A
VIN =14V
VIN =14V
VC=2.7V, VIN =14V
VC=0.4V, VIN =14V
IOUT =0A, VIN =14V
0.5
2.0
0.8
20
-0.4
10
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.
UNIT
V
%
%
%/C
dB
V
V
V
A
mA
mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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RXXLD30
Linear Integrated Circuit
TEST CIRCUIT
Note : ○: TO-220F-4, ( ): TO-220B
VIN 1 (2)
(3) 2
Vo
0.33μF
Vc
(5) 4
(4)
3A
A ID
A Io
+V
47μF RL
Ic
Fig.1
1 (2)
(3) 2
+
ei
0.33μF
VIN
Io
(4) (5) 4 47μF +
3
V eo
RL
VIN=5V(R33LD30)
7V(R05LD30)
11V(R09LD30)
14V(R12LD30)
f=120Hz
ei=0.5Vrms
Io=0.5A
RR=20log (ei/eo)
Fig.2 For Ripple Rejection
TYPICAL APPLICATION
1 (2)
(3) 2
VIN Cin (4) (5) 4
3
VO
+
Co
( ) : TO-220B
○ : TO-220F-4
ON/OFF signal
High or Open:Output ON
Low :Output OFF
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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