UNISONIC TECHNOLOGIES CO., LTD RXXLD10

UNISONIC TECHNOLOGIES CO., LTD
RXXLD10
LINEAR INTEGRATED CIRCUIT
LOW VOLTAGE OPERATION
LOW POWER-LOSS VOLTAGE
REGULATORS

FEATURES
* Operating Under Low Voltage Range (Minimum: 2.35V)
input 2.5V, Available Output around 1.5 ~ 1.8V
* Low Dissipation Current
* Built-in Overcurrent Protection and Over Temperature Protection
Functions

ORDERING INFORMATION
Ordering Number
Pin Assignment
Package
Lead Free
Halogen Free
1
2
3
4
5
RXXLD10L-TB5-T
RXXLD10G-TB5-T
TO-220B
I
F
O
G
RXXLD10L-TN5-R
RXXLD10G-TN5-R
TO-252-5
I
F
O
N
G
Note: Pin Assignment: I: INPUT F: ON/OFF O: OUTPUT N: NC G: GND
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
Packing
Tube
Tape Reel
1 of 10
QW-R102-025.F
RXXLD10

MARKING INFORMATION
PACKAGE
TO-220F-4
TO-252-5

LINEAR INTEGRATED CIRCUIT
VOLTAGE CODE
15:1.5V
18:1.8V
25:2.5V
03:3.0V
33:3.3V
05:5.0V
12:12V
MARKING
BLOCK DIAGRAM
TO-220F-4
TO-252-5
1
3
Specific IC
2
5
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 10
QW-R102-025.F
RXXLD10

LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified.)
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
18
V
ON/OFF Control Terminal Voltage (Note 2)
VC
18
V
Output Current
IOUT
1.0
A
Power Dissipation (with infinite heat sink)
PD
8
W
Junction Temperature
TJ
+150
°С
Operating Temperature
TOPR
-40 ~ +85
°С
Storage Temperature
TSTG
-40 ~ +150
°С
Note 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.

ELECTRICAL CHARACTERISTICS
(VIN = VOUT (TYP.)+1V, IOUT = 0.5A, VC = 2.7V, TA = 25°С, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
R15LD10
2.35
18
R18LD10
2.35
18
R25LD10
VOUT+0.5
18
Input Voltage
VIN
R03LD10
VOUT+0.5
18
R33LD10
VOUT+0.5
18
R05LD10
VOUT+0.5
18
R12LD10
VOUT+0.5
18
R15LD10
1.45
1.5
1.55
R18LD10
1.75
1.8
1.85
R25LD10
2.438
2.5
2.562
Output Voltage
VOUT
R03LD10
2.925
3
3.075
R33LD10
3.218
3.3
3.382
R05LD10
4.875
5
5.125
R12LD10
11.7
12
12.3
Load Regulation
VOUT IOUT = 5mA ~ 1A
0.2
2
VIN = VO (TYP)+1V~VO (TYP)+6V
0.1
1
Line Regulation
VOUT
IOUT = 5mA
Voltage for Control
ON
VC (ON)
2
(Note 1)
OFF
VC (OFF)
0.8
ON
IC (ON)
200
Current for Control
2
OFF
IC (OFF) VC = 0.4V
Quiescent Current
IQ
IOUT = 0A
1
2
Output Off-State Dissipation Current
IQS
IOUT = 0A, VC = 0.4V
5
IOUT = 1A
0.2
0.5
Dropout Voltage(Note 2)
VD
0.2
0.75
IOUT = 1A (For R12LD10)
Temperature Coefficient of Output
TC VO TJ = 0 ~ 125°C, IOUT = 5mA
±0.01
Voltage
Ripple Rejection
RR
Refer to Fig.2
45
60
Note 1: In case of opening control terminal pin 2, output voltage turns off.
2: Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
UNIT
V
V
%
%
V
µA
mA
µA
V
%/°С
dB
3 of 10
QW-R102-025.F
RXXLD10

LINEAR INTEGRATED CIRCUIT
TEST CIRCUIT
TO-220F-4 Package:
Fig.1
TO-252-5 Package:
Fig.2
TO-220F-4 Package:
Fig.3 For Ripple Rejection
TO-252-5 Package:
Fig.4 For Ripple Rejection
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 10
QW-R102-025.F
RXXLD10

LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION CIRCUIT
TO-220F-4 Package:
Fig. 5
TO-252-5 Package:
1
3
VoUT
VIN
Co
2
CIN
5
ON/OFF
+
Load
High : Output ON
Low or open : Output OFF
Fig. 6
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 10
QW-R102-025.F
RXXLD10
TYPICAL CHARACTERISTICS
Output Voltage, VoUT (V)
Power Dissipation, PD (W)

LINEAR INTEGRATED CIRCUIT
Overcurrent Protection Characteristics
(R18LD10)
VIN = 2.35V
Output Voltage, VoUT (V)
1.6
1.4
2.5
VIN = 3V
VIN = 3.3V
Output Voltage, VoUT (V)
1.8
VIN = 2.5V
1.2
1
0.8
0.6
VIN = 5V
0.4
Overcurrent Protection Characteristics
(R25LD10)
VIN = 3V
VIN = 3.3V
2
VIN = 3.6V
1.5
VIN = 5V
1
VIN = 4.5V
0.5
0.2
0
2.5
VIN = 7V
1.5
VIN = 5.5V
VIN = 5V
VIN = 4.5V
1
0.5
0
0.5
1
1.5
Output Current, IoUT (A)
2
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
0
0.5
1
1.5
Output Current, IoUT (A)
2
Overcurrent Protection Characteristics
(R33LD10)
3.5
VIN = 10V
2
0
0
2
Overcurrent Protection Characteristics
(R03LD10)
3
Output Voltage, VoUT (V)
0.5
1
1.5
Output Current, IoUT (A)
Output Voltage, VoUT (V)
0
3
VIN = 10V
2.5
VIN = 7V
2
VIN = 5.5V
1.5
VIN = 5V
1
VIN = 4.5V
0.5
0
0
0.5
1
1.5
Output Current, IoUT (A)
2
6 of 10
QW-R102-025.F
Output Voltage, VoUT (V)
Output Voltage, VoUT (V)
Output Voltage, VoUT (V)
Output Voltage, VoUT (V)

Output Voltage, VoUT (V)
Output Voltage, VoUT (V)
RXXLD10
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS(Cont.)
QW-R102-025.F
7 of 10
Output Voltage, VoUT (V)
Output Voltage, VoUT (V)
Output Voltage, VoUT (V)
Output Voltage, VoUT (V)

Operating Current, IBIAS (mA)
Operating Current, IBIAS (mA)
RXXLD10
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS(cont.)
QW-R102-025.F
8 of 10
RXXLD10
TYPICAL CHARACTERISTICS(Cont.)
Operating Current, IBIAS (mA)
Operating Current, IBIAS (mA)

LINEAR INTEGRATED CIRCUIT
30
20
Circuit Operating Current vs. Input Voltage
(R33LD10)
RL = 6.6Ω(IoUT = 0.5A)
VC = 2.7V
RL = 3.3Ω(IoUT = 1A)
Ta = Room temp.
CIN = 0.33μF
Co = 47μF
Quescent Current vs. Junction Temperature
(RXXLD10)
1.4
IOUT = 0A
33: VIN = 4.3V
30: VIN = 4.0V
VC = 2.7V
1.2
25: VIN = 3.5V
1
0.8
18: VIN = 2.8V
15: VIN = 2.5V
0.6
10
1
0.2
0
-50
5
-25
25
50
0
75 100
Junction Temperature, TJ (℃)
125
Ripple Rejection, RR (dB)
0
RL = ∞Ω
(IoUT = 0A)
2
3
4
Input Voltage, VIN (V)
Dropout Voltage, VD (V)
0
0.4
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
9 of 10
QW-R102-025.F
RXXLD10

LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS(Cont.)
Ripple Rejection vs. Output Current
(RXXLD10)
Ripple Rejection, RR (dB)
80
015(VIN = 3.5V)
018(VIN = 3.8V)
75
025(VIN = 4.5V)
70
65
030(VIN = 5V)
60
55
ei (rms) = 0.5V
f = 120Hz
VC = 2.7V
CO = 47μF
Ta = Room temp.
50
45
40
033(VIN = 5.3V)
0
0.25
0.5
0.75
Output Current, IoUT (A)
1
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.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
10 of 10
QW-R102-025.F