UNISONIC TECHNOLOGIES CO., LTD RXXLD10
LOW VOLTAGE OPERATION LOW POWER-LOSS VOLTAGE REGULATORS
1
LINEAR INTEGRATED CIRCUIT
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
TO-220F-4
1 TO-252-5
EQUIVALENT
*Pb-free plating product number: RXXLD10L
1 3
Specific IC
2
5
4 For TO-220F-4 Package
ORDERING INFORMATION
Order Number Normal Lead Free Plating RXXLD10-TF4-T RXXLD10L-TF4-T RXXLD10-TN5-R RXXLD10L-TN5-R RXXLD10-TN5-T RXXLD10L-TN5-T Package TO-220F-4 TO-252-5 TO-252-5 Packing Tube Tape Reel Tube
RXXLD10L-TF4-R (1)Packing Type (2)Package Type (3)Lead Plating (4)Output Voltage Code (1) R: Tape Reel, T: Tube (2) TF4: TO-220F-4, TN5: TO-252-5 (3) L: Lead Free Plating, Blank: Pb/Sn (4) xx: refer to Marking Information
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QW-R102-025,B
RXXLD10
PIN DESCRIPTION
PIN NO. TO-220F-4 TO-252-5 1 1 2 2 3 3 4 4 5 PIN NAME INPUT ON/OFF OUTPUT NC GND
LINEAR INTEGRATED CIRCUIT
MARKING INFORMATION
PACKAGE VOLTAGE CODE MARKING
TO-220F-4 15:1.5V 18:1.8V 25:2.5V 03:3.0V 33:3.3V TO-252-5
VOLTAGE CODE
U TC RXXLD10
LEAD PLATING DATE CODE
VOLTAGE CODE
U TC RXXLD10
LEAD PLATING DATE CODE
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QW-R102-025,B
RXXLD10
ABSOLUTE MAXIMUM RATINGS (Ta = 25℃)
LINEAR INTEGRATED CIRCUIT
PARAMETER SYMBOL RATINGS UNIT Input Voltage VIN 10 V ON/OFF Control Terminal Voltage (Note 2) VC 10 V Output Current IOUT 1.0 A Power Dissipation (with infinite heat sink) PD 8 W ℃ Junction Temperature TJ +150 ℃ Operating Temperature TOPR -40 ~ +85 ℃ Storage Temperature TSTG -40 ~ +150 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 = VO (TYP.)+1V, IOUT = 0.5A, VC = 2.7V, Ta = 25℃, unless otherwise specified.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP R15LD10 2.35 R18LD10 2.35 Input Voltage VIN R25LD10 VOUT+0.5 R03LD10 VOUT+0.5 R33LD10 VOUT+0.5 R15LD10 1.45 1.5 R18LD10 1.75 1.8 Output Voltage VOUT R25LD10 2.438 2.5 R03LD10 2.925 3 R33LD10 3.218 3.3 Voltage for Control ON VC (ON) 2 (Note 1) OFF VC (OFF) ON IC (ON) Current for Control OFF IC (OFF) VC = 0.4V Quiescent Current IQ IOUT = 0A 1 Output Off-state Dissipation Current IQS IOUT = 0A, VC = 0.4V Load Regulation ∆VOUT IOUT = 5mA ~ 1A 0.2 VIN = VO (TYP)+1V~VO (TYP)+6V 0.1 Line Regulation ∆VOUT IOUT = 5mA Dropout Voltage(Note 2) VD IOUT = 1A 0.2 Temperature Coefficient of Output ±0.01 TC VO TJ = 0 ~ 125°C, IOUT = 5mA 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. MAX UNIT 10 10 V 10 10 10 1.55 1.85 V 2.562 3.075 3.382 V 0.8 V 200 µA 2 µA 2 mA 5 µA 2 % 1 0.5 % V %/℃ dB
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QW-R102-025,B
RXXLD10
TEST CIRCUIT
TO-220F-4 Package:
1 3
LINEAR INTEGRATED CIRCUIT
A VIN 330nF A IQ Vc 2 4 + A Ic + 47μF
IoUT
V RL
VOUT
-
Fig.1 TO-252-5 Package:
1 3 A VIN 330nF A IQ Vc 2 5 + A Ic + 47μF RL V V OUT IoUT
-
Fig.2 TO-220F-4 Package:
+ 1 ei ~ 2 330nF V IN 4 Vc 2.7V + + 47μF RL 3 IOUT VO V
f = 120Hz (sine wave), ei (rms) = 0.5V, VIN = VO (TYP)+2V, IOUT = 0.5A, RR = 20log (ei (rms) /V O(rms))
Fig.3 For Ripple Rejection TO-252-5 Package:
+ 1 ei ~ 2 330nF V IN 5 Vc 2.7V + + 47μF RL 3 IOUT VO V
f = 120Hz (sine wave), ei (rms) = 0.5V, VIN = VO (TYP)+2V, IOUT = 0.5A, RR = 20log (ei (rms) /VO (rms))
Fig.4 For Ripple Rejection UNISONIC TECHNOLOGIES CO., LTD
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QW-R102-025,B
RXXLD10
TYPICAL APPLICATION CIRCUIT
TO-220F-4 Package:
1
LINEAR INTEGRATED CIRCUIT
3 VoUT Co ON/OFF High : Output ON Low or open : Output OFF + Load
VIN
CIN 4
2
Fig. 5 TO-252-5 Package:
1
3 VoUT Co ON/OFF High : Output ON Low or open : Output OFF + Load
VIN
CIN 5
2
Fig. 6
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5 of 10
QW-R102-025,B
RXXLD10
TYPICAL CHARACTERISTICS
Power Dissipation vs . Ambient 10
Power Dissipation, PD (W)
LINEAR INTEGRATED CIRCUIT
Overcurrent Protection Characteristics (R15LD10) 1.5
Output Voltage, VoUT ( V)
8
PD : With infinite heat sink
VIN = 2.35V VIN = 3V VIN = 2.5V
1.2 0.9
5
VIN = 3.3V 0.6 0.3 0 VIN = 5V
0 -40
0 40 60 -20 20 Ambient Temperature, Ta (℃)
80
0
0.5 1 1.5 Output Current, IoUT (A)
2
Overcurrent Protection Characteristics (R18LD10) 1.8 1.6
Output Voltage, VoUT ( V)
Overcurrent Protection Characteristics (R25LD10) 2.5
Output Voltage, VoUT ( V)
1.4 1.2 1 0.8 0.6 0.4 0.2 0
VIN = 2.35V VIN = 3V VIN = 3.3V VIN = 2.5V
VIN = 3V VIN = 3.3V VIN = 3.6V
2 1.5
VIN = 5V 1 0.5 0 VIN = 4.5V
VIN = 5V
0
0.5 1 1.5 Output Current, IoUT (A)
2
0
0.5 1 1.5 Output Current, IoUT (A)
2
Overcurrent Protection Characteristics (R03LD10) 3
Output Voltage, VoUT (V) Output Voltage, VoUT (V)
Overcurrent Protection Characteristics (R33LD10) 3.5 3 2.5 2 1.5 1 0.5 0 0 0.5 1 1.5 Output Current, IoUT (A) 2
2.5 2
VIN = 10V VIN = 7V
VIN = 10V VIN = 7V VIN = 5.5V VIN = 5V VIN = 4.5V
1.5 1 0.5 0 0
VIN = 5.5V VIN = 5V VIN = 4.5V
0.5 1 1.5 Output Current, IoUT (A)
2
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QW-R102-025,B
RXXLD10
TYPICAL CHARACTERISTICS(Cont.)
Output Voltage vs. Ambient Temperature (R15LD10) 1.55 1.54 VIN = 2.5V VC = 2.7V IoUT = 0.5A
LINEAR INTEGRATED CIRCUIT
Output Voltage vs. Ambient Temperature (R18LD10) 1.85 1.84 VIN = 2.8V VC = 2.7V IoUT = 0.5A
Output Voltage, VoUT (V)
1.53 1.52 1.51 1.5 1.49 1.48 1.47
Output Voltage, VoUT (V)
1.83 1.82 1.81 1.8 1.79 1.78 1.77
1.46 1.45 -50
-25 0 25 50 75 100 125 Ambient Temperature, Ta ( ℃)
1.76 1.75 -50
-25 0 25 50 75 100 125 Ambient Temperature, Ta ( ℃)
Output Voltage vs. Ambient Temperature (R25LD10) 2.525 2.52 VIN = 3.5V VC = 2.7V IoUT = 0.5A 3.05 3.04
Output Voltage vs. Ambient Temperature (R03LD10) VIN = 4V VC = 2.7V IoUT = 0.5A
2.515 2.51 2.505 2.5 2.495 2.49 2.485 2.48 2.475 -50
Output Voltage, VoUT (V)
Output Voltage, VoUT ( V)
3.03 3.02 3.01 3 2.99 2.98 2.97
-25 0 25 50 75 100 125 Ambient Temperature, Ta ( ℃)
2.96 2.95 -50
-25 0 25 50 75 100 125 Ambient Temperature, Ta ( ℃)
Output Voltage vs. Ambient Temperature (R33LD10) 3.35 3.34 VIN = 4.3V VC = 2.7V IoUT = 0.5A 1.6
Output Voltage vs. Input Voltage (R15LD10)
VC = 2.7V
Output Voltage, VoUT ( V)
Output Voltage, VoUT ( V)
1.4 Ta = Room temp.
CIN = 0.33μ F
3.33 3.32 3.31 3.3 3.29 3.28 3.27
1.2 Co = 47μ F 1 0.8 0.6 0.4 0.2 RL = 1.5Ω(IoUT = 1A) RL = 3Ω(IoUT = 0.5A) RL = ∞Ω(IoUT = 0A)
3.26 3.25 -50
-25 0 25 50 75 100 125 Ambient Temperature, Ta (℃)
0
0
1
2 3 4 Input Voltage, VIN ( V)
5
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7 of 10
QW-R102-025,B
RXXLD10
TYPICAL CHARACTERISTICS(cont.)
Output Voltage vs. Input Voltage (R18LD10) 2 VC = 2.7V 1.8 Ta = Room temp.
LINEAR INTEGRATED CIRCUIT
Output Voltage vs. Input Voltage (R25LD10) 2.5
VC = 2.7V Ta = Room temp. CIN = 0.33μ F Co = 47μ F
Output Voltage, VoUT ( V)
1.6 CIN = 0.33μ F
Co = 47μ F
Output Voltage, VoUT ( V)
2 1.5 1 0.5 0
1.4 1.2 1 0.8 0.6 0.4 0.2 0
RL = 1.8Ω(IoUT = 1A) RL = 3.6Ω(IoUT = 0.5A) RL = ∞Ω(IoUT = 0A)
RL = 2.5Ω(IoUT = 1A) RL = 5Ω(IoUT = 0.5A) RL = ∞Ω(IoUT = 0A)
0
1
2 3 4 Input Voltage, VIN (V)
5
0
1
2 3 4 Input Voltage, VIN (V)
5
Output Voltage vs. Input Voltage (R03LD10) 3.5
Output Voltage, VoUT ( V)
Output Voltage vs. Input Voltage (R33LD10) 3.5
Output Voltage, VoUT ( V)
VC = 2.7V 3 Ta = Room temp. CIN = 0.33μF 2.5 Co = 47μF 2 1.5 1 0.5 0 0 1 2 3 4 Input Voltage, VIN (V) 5 RL = 3Ω(IoUT = 1A) RL = 6Ω(IoUT = 0.5A) RL = ∞Ω(IoUT = 0A)
VC = 2.7V 3 Ta = Room temp. CIN = 0.33μF 2.5 Co = 47μF 2 1.5 1 0.5 0 0 1 2 3 4 Input Voltage, VIN (V) 5
R L = 3.3Ω( IoUT = 1A) R L = 6.6Ω (IoUT = 0.5 A) R L = ∞ Ω(IoUT = 0 A)
Circuit Operating Current vs. Input Voltage (R15LD10) 20
Operating Current, IBIAS ( mA) Operating Current, IBIAS ( mA)
Circuit Operating Current vs. Input Voltage (R18LD10) 20 VC = 2.7V Ta = Room temp. CIN = 0.33μF Co = 47μF RL = 1.8Ω(IoUT = 1A)
VC = 2.7V Ta = Room temp. CIN = 0.33μF Co = 10μF RL = 1.5Ω(IoUT = 1A)
10 RL = 3Ω(IoUT = 0.5A) RL = ∞Ω(IoUT = 0A) 0 0 1 3 2 4 Input Voltage, VIN (V) 5
10 RL = 3.6Ω(IoUT = 0.5A) RL = ∞Ω(IoUT = 0A) 0 0 1 3 2 4 Input Voltage, VIN (V) 5
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8 of 10
QW-R102-025,B
RXXLD10
TYPICAL CHARACTERISTICS(Cont.)
Circuit Operating Current vs. Input Voltage (R25LD10) 30
Operating Current, IBIAS (mA)
R L = 2.5Ω( IoUT = 1A)
LINEAR INTEGRATED CIRCUIT
Circuit Operating Current vs. Input Voltage (R03LD10) 30
Operating Current, IBIAS ( mA)
VC = 2.7V Ta = Room temp. CIN = 0.33μF Co = 47μF
20
20
VC = 2.7V Ta = Room temp. CIN = 0.33μF Co = 47μF
R L = 6Ω (IoUT = 0 .5A )
R L = 3Ω (IoUT = 1 A)
10
R L = 5 Ω(IoUT = 0.5A)
10
RL = ∞Ω (IoUT = 0A)
0
0
1
3 2 4 Input Voltage, VIN (V)
5
0
R L = ∞Ω (IoUT = 0A )
0
1
3 2 4 Input Voltage, VIN (V)
5
Circuit Operating Current vs. Input Voltage (R33LD10) 30
Operating Current, IBIAS ( mA)
20
Quescent Current, IQ (mA)
RL = 6.6Ω(IoUT = 0.5A) VC = 2.7V R L = 3.3Ω(IoUT = 1A) Ta = Room temp. CIN = 0.33μF Co = 47μF
Quescent Current vs. Junction Temperature (RXXLD10) 1.4 33: VIN = 4.3V IO UT = 0A VC = 2.7V 30: VIN = 4.0V 1.2 25: VIN = 3.5V 1 0.8 0.6 0.4 0.2 0 -50 -25 50 25 0 75 100 125 Junction Temperature, TJ ( ℃) 18: VIN = 2.8V 15: VIN = 2.5V
10 RL = ∞Ω (IoUT = 0A) 3 1 2 4 Input Voltage, VIN (V)
0
0
5
Dropout Voltage vs. Junction Temperature (RXXLD10) 0.25 VIN = 2.35V VC = 2.7V R33LD10:IOUT = 0.5A R03LD10:IOUT = 0.5A
Dropout Voltage, V D (V)
0.2 0.15 0.1 0.05
Ripple Rejection, RR (dB)
Ripple Rejection vs . Input Ripple Frequency (RXXLD10) 75 15(V IN = 3.5V) 18(VIN = 3.8V) 70 65 33(VIN = 5.3V) 03(VIN = 5V) 60 25(VIN = 4.5V) 55 50 ei (rms) = 0.5V VC = 2.7V 45 IO = 0.3A 40 CO = 47μF Ta = Room temp. 35 1 10 0.1 Input Ripple Frequency, f (kHz)
0 -50
-25 25 50 0 75 100 125 Junction Temperature, TJ ( ℃)
100
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9 of 10
QW-R102-025,B
RXXLD10
TYPICAL CHARACTERISTICS(Cont.)
Ripple Rejection vs . Output Current (RXXLD10) 80
Ripple Rejection, RR (dB)
LINEAR INTEGRATED CIRCUIT
75 70 65 60 55 50 45 40 0
015(VIN = 3.5V) 018(VIN = 3.8V)
025(VIN = 4.5V)
030(VIN = 5V)
033(VIN = 5.3V) ei (rms) = 0.5V f = 120Hz VC = 2.7V CO = 47μF Ta = Room temp.
0.25 0.5 0.75 Output Current, IoUT ( A)
1
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QW-R102-025,B