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UNISONIC TECHNOLOGIES CO., LTD
RXXLD20
LINEAR INTEGRATED CIRCUIT
2A OUTPUT TYPE LOW
POWER-LOSS VOLTAGE
REGULATOR
FEATURES
* Low power-loss(Dropout voltage: 0.5V (max.) at IOUT=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.
1
TO-220F-4
1
TO-220B
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
RXXLD20L-TB5-T
RXXLD20G-TB5-T
RXXLD20L-TF4-T
RXXLD20G-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
RXXLD20G-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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RXXLD20
MARKING INFORMATION
PACKAGE
TO-220F-4
TO-220B
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
BLOCK DIAGRAM
TO-220F-4
12
Specfic IC
3
4
LINEAR INTEGRATED CIRCUIT
MARKING
Voltage Code
Lot Code
UTC
RXXLD20
L: Lead Free
G: Halogen Free
Date Code
TO-220B
23
Specfic IC
4
5
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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RXXLD20
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified.)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage(Note1)
VIN 20 V
ON/OFF Control Terminal Voltage (Note 2)
Vc
20 V
Output Current
IOUT 2.0 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=25°C)
For R33LD20(3.3V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
Voltage for Control(Note 2)
ON
OFF
Current for Control
ON
OFF
Quiescent Current
SYMBOL TEST CONDITIONS
VOUT
ΔVOUT
ΔVOUT
VIN=5V, IOUT=1A
VIN=4 ~ 10V, IOUT=5mA
VIN=5V, IOUT=5mA ~ 2.0A
TCVO TJ=0 ~ 125°C,IOUT=5mA
RR Refer to Fig.2
VD (Note 1), IOUT=2A
VC(ON) VIN=5V
VC(OFF) VIN=5V
IC(ON) VC=2.7V,VIN=5V
IC(OFF) VC=0.4V, VIN=5V
IQ 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
μA
mA
mA
For R35LD20(3.5V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
Voltage for Control (Note 2)
ON
OFF
Current for Control
ON
OFF
Quiescent Current
SYMBOL TEST CONDITIONS
VOUT
ΔVOUT
ΔVOUT
VIN=5.5V, IOUT=1A
VIN=4.5 ~ 10.5V, IOUT=5mA
VIN=5.5V, IOUT=5mA ~ 2.0A
TCVO TJ=0 ~ 125°C,IOUT=5mA
RR Refer to Fig.2
VD (Note 1), IOUT=2A
VC(ON) VIN=5V
VC(OFF) VIN=5V
IC(ON) VC=2.7V,VIN=5.5V
IC(OFF) VC=0.4V, VIN=5.5V
IQ IOUT=0A, VIN=5.5V
MIN
3.395
45
2.0
TYP
3.5
0.1
0.1
±0.02
55
MAX
3.605
2.5
2.0
0.5
0.8
20
-0.4
10
UNIT
V
%
%
%/°C
dB
V
V
V
μA
mA
mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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RXXLD20
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (Cont.)
For R05LD20(5V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
Voltage for Control (Note 2)
ON
OFF
Current for Control
ON
OFF
Quiescent Current
For R06LD20(6V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
Voltage for Control (Note 2)
ON
OFF
Current for Control
ON
OFF
Quiescent Current
For R08LD20(8V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
Voltage for Control (Note 2)
ON
OFF
Current for Control
ON
OFF
Quiescent Current
SYMBOL TEST CONDITIONS
VOUT
ΔVOUT
ΔVOUT
VIN =7V, IOUT=1A
VIN =6 ~ 12V, IOUT=5mA
VIN =7V, IOUT=5mA ~ 2.0A
TCVO TJ=0 ~ 125°C, IOUT=5mA
RR Refer to Fig.2
VD (Note 1), IOUT=2A
VC(ON) VIN =7V
VC(OFF) VIN =7V
IC(ON) VC=2.7V, VIN =7V
IC(OFF) VC=0.4V, VIN =7V
IQ IOUT =0A, VIN =7V
SYMBOL TEST CONDITIONS
VOUT
ΔVOUT
ΔVOUT
VIN =8V, IOUT=1A
VIN =7 ~ 13V, IOUT=5mA
VIN =8V, IOUT=5mA ~ 2.0A
TCVO TJ=0 ~ 125°C, IOUT=5mA
RR Refer to Fig.2
VD (Note 1), IOUT=2A
VC(ON) VIN =8V
VC(OFF) VIN =8V
IC(ON) VC=2.7V, VIN =8V
IC(OFF) VC=0.4V, VIN =8V
IQ IOUT =0A, VIN =8V
SYMBOL TEST CONDITIONS
VOUT
ΔVOUT
ΔVOUT
VIN =10V, IOUT=1A
VIN =9~15V, IOUT=5mA
VIN =10V, IOUT=5mA~2.0A
TCVO TJ=0~125°C, IOUT=5mA
RR Refer to Fig.2
VD (Note 1), IOUT=2A
VC(ON) VIN =10V
VC(OFF) VIN =10V
IC(ON) VC=2.7V, VIN =10V
IC(OFF) VC=0.4V, VIN =10V
IQ IOUT =0A, VIN =10V
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 μA
-0.4 mA
10 mA
MIN TYP MAX UNIT
5.82 6.0 6.18 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 μA
-0.4 mA
10 mA
MIN TYP MAX UNIT
7.76 8.0 8.24 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 μA
-0.4 mA
10 mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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RXXLD20
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
For R09LD20(9V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
Voltage for Control (Note 2)
ON
OFF
Current for Control
ON
OFF
Quiescent Current
For R10LD20(10V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
Voltage for Control (Note 2)
ON
OFF
Current for Control
ON
OFF
Quiescent Current
For R12LD20(12V)
PARAMETER
Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
Voltage for Control (Note 2)
ON
OFF
Current for Control
ON
OFF
Quiescent Current
SYMBOL TEST CONDITIONS
VOUT
ΔVOUT
ΔVOUT
VIN =11V, IOUT=1A
VIN =10~16V, IOUT=5mA
VIN =11V, IOUT=5mA~2.0A
TCVO TJ=0~125°C, IOUT=5mA
RR Refer to Fig.2
VD (Note 1), IOUT=2A
VC(ON) VIN =11V
VC(OFF) VIN =11V
IC(ON) VC=2.7V, VIN =11V
IC(OFF) VC=0.4V, VIN =11V
IQ IOUT =0A, VIN =11V
SYMBOL TEST CONDITIONS
VOUT
ΔVOUT
ΔVOUT
VIN =12V, IOUT=1A
VIN =11~17V, IOUT=5mA
VIN =12V, IOUT=5mA~2.0A
TCVO TJ=0~125°C, IOUT=5mA
RR Refer to Fig.2
VD (Note 1), IOUT=2A
VC(ON) VIN =12V
VC(OFF) VIN =12V
IC(ON) VC=2.7V, VIN =12V
IC(OFF) VC=0.4V, VIN =12V
IQ IOUT =0A, VIN =12V
SYMBOL TEST CONDITIONS
VOUT
ΔVOUT
ΔVOUT
VIN =14V, IOUT=1A
VIN =13~19V, IOUT=5mA
VIN =14V, IOUT=5mA~2.0A
TCVO TJ=0~125°C, IOUT=5mA
RR Refer to Fig.2
VD (Note 1), IOUT=2A
VC(ON) VIN =14V
VC(OFF) VIN =14V
IC(ON) VC=2.7V, VIN =14V
IC(OFF) VC=0.4V, VIN =14V
IQ IOUT =0A, VIN =14V
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 μA
-0.4 mA
10 mA
MIN TYP MAX UNIT
9.7 10.0 10.3 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 μA
-0.4 mA
10 mA
MIN
11.64
45
2.0
TYP
12.0
0.5
0.1
±0.02
55
MAX
12.36
2.5
2.0
0.5
0.8
20
-0.4
10
UNIT
V
%
%
%/°C
dB
V
V
V
μA
mA
mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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