UNISONIC TECHNOLOGIES CO.,LTD
RXXLD30
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.
Linear Integrated Circuit
1
TO-220F-4
1
TO-220B
*Pb-free plating product number:RXXLD30L
PIN DESCRIPTION
PIN NO.
TO-220F-4 TO-220B
1
1
2
2
3
3
4
4
5
PIN NAME
NC
INPUT
OUTPUT
GND
ON/OFF
ORDERING INFORMATION
Order Number
Package
Normal
Lead Free Plating
RxxLD30-TF4-T
RxxLD30L-TF4-T
TO-220F-4
RxxLD30-TB5-T
RxxLD30L-TB5-T
TO-220B
Note: xx: Output Voltage, refer to Marking Information.
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
33
05
09
12
:3.3V
:5.0V
:9.0V
:12 V
MARKING
Packing
Tube
Tube
TO-220F-4
TO-220B
VOLTAGE CODE
UTC
RXXLD30L
Space :Pb/Sn
L:Pb-free
DATE CODE
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co.,LTD
1
QW-R102-028,A
RXXLD30
BLOCK DIAGRAM
TO-220F-4
Linear Integrated Circuit
TO-220B
1
Specfic IC
2
2
Specfic IC
3
3
4
5
4
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2
QW-R102-028,A
RXXLD30
ABSOLUTE MAXIMUM RATINGS
(Ta=25℃)
PARAMETER
SYMBOL
V
IN
Vc
I
OUT
Linear Integrated Circuit
RATINGS
UNIT
Input Voltage
20
V
ON/OFF Control Terminal Voltage
20
V
Output Current
3.0
A
No Heat Sink
1.4
W
Power Dissipation
P
D
With Heat Sink
15
W
Junction Temperature
T
J
125
°C
Operating Temperature
T
OPR
-20 ~ +85
°C
Storage Temperature
T
STG
-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.
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
V
OUT
∆V
OUT
∆V
OUT
TcVo
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
D
TEST CONDITIONS
V
IN
=5V, I
OUT
=2A
V
IN
=4 ~ 10V, I
OUT
=5mA
V
IN
=5V, I
OUT
=5mA ~ 3.0A
T
J
=0 ~ 125°C,I
OUT
=5mA
Refer to Fig.2
(Note1), I
OUT
=3A
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
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
45
2.0
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
V
OUT
∆V
OUT
∆V
OUT
TcVo
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
D
TEST CONDITIONS
V
IN
=7V, I
OUT
=2A
V
IN
=6 ~ 12V, I
OUT
=5mA
V
IN
=7V, I
OUT
=5mA ~ 3.0A
T
J
=0 ~ 125°C, I
OUT
=5mA
Refer to Fig.2
(Note1), I
OUT
=3A
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
MIN
4.85
TYP MAX
5.0
5.15
0.5
2.5
0.1
2.0
±0.02
55
0.5
0.8
20
-0.4
10
UNIT
V
%
%
%/°C
dB
V
V
V
µA
mA
mA
45
2.0
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3
QW-R102-028,A
RXXLD30
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
V
OUT
∆V
OUT
∆V
OUT
TcVo
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
D
Linear Integrated Circuit
TEST CONDITIONS
V
IN
=11V, I
OUT
=2A
V
IN
=10 ~ 16V, I
OUT
=5mA
V
IN
=11V, I
OUT
=5mA ~ 3.0A
T
J
=0 ~ 125°C, I
OUT
=5mA
Refer to Fig.2
(Note1), I
OUT
=3A
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
MIN
8.73
TYP MAX
9.0
9.27
0.5
2.5
0.1
2.0
±0.02
55
0.5
0.8
20
-0.4
10
UNIT
V
%
%
%/°C
dB
V
V
V
µA
mA
mA
45
2.0
For R12LD30(12V)
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
V
OUT
∆V
OUT
∆V
OUT
TcVo
RR
V
D
V
C(ON)
V
C(OFF)
I
C(ON)
I
C(OFF)
I
D
TEST CONDITIONS
V
IN
=14V, I
OUT
=2A
V
IN
=13 ~ 19V, I
OUT
=5mA
V
IN
=14V, I
OUT
=5mA ~ 3.0A
T
J
=0 ~ 125°C, I
OUT
=5mA
Refer to Fig.2
(Note1), I
OUT
=3A
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
11.64
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
45
2.0
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.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4
QW-R102-028,A
RXXLD30
TEST CIRCUIT
Note :
Linear Integrated Circuit
○
: TO-220F-4, ( ): TO-220B
V
IN
1 (2)
(3) 2
(5) 4
Vc
+
A
47μF
0.33μF
A
I
D
Ic
R
L
A
Vo
Io
V
(4)
3
Fig.1
1 (2)
ei
(4)
3
(3) 2
Io
(5) 4
47μF +
R
L
V eo
+
0.33μF
V
IN
V
IN
=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
V
O
+
Co
1 (2)
V
IN
Cin
(4)
3
(3) 2
(5) 4
( ) : TO-220B
○
: TO-220F-4
ON/OFF signal
High or Open:Output ON
Low
:Output OFF
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load
5
QW-R102-028,A