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. 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 www.unisonic.com.tw Copyright © 2014 Unisonic Technologies Co., Ltd Pin Assignment 1 2 3 4 5 TO-220B N I O G F TO-220F-4 I O G F G: GND F: ON/OFF Package Packing Tube Tube 1 of 11 QW-R102-015.L RXXLD20 LINEAR INTEGRATED CIRCUIT MARKING INFORMATION PACKAGE VOLTAGE CODE TO-220F-4 TO-220B 33 :3.3V 35 :3.5V 05 :5.0V 06 :6.0V 08: 8.0V 09 :9.0V 10 :10V 12 :12V 15 :15V MARKING BLOCK DIAGRAM TO-220F-4 TO-220B 2 3 Specfic IC 5 4 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 11 QW-R102-015.L RXXLD20 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified.) PARAMETER SYMBOL Input Voltage(Note1) VIN ON/OFF Control Terminal Voltage (Note1) Vc Output Current IOUT No Heat Sink Power Dissipation PD With Heat Sink Junction Temperature (Note2) TJ Operating Temperature TOPR Storage Temperature TSTG Note 1: All are open except GND and applicable terminals. Note 2: Overheat protection may operate at 125≦TJ≦150C RATINGS 20 20 2.0 1.4 15 150 -40 ~ +85 -40 ~ +150 UNIT V V A W W °C °C °C 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 ON Voltage for Control(Note 2) OFF ON Current for Control OFF Quiescent Current SYMBOL VOUT ∆VOUT ∆VOUT TCVO RR VD VC(ON) VC(OFF) IC(ON) IC(OFF) IQ TEST CONDITIONS VIN=5V, IOUT=1A VIN=4 ~ 10V, IOUT=5mA VIN=5V, IOUT=5mA ~ 2.0A TJ=0 ~ 125°C,IOUT=5mA Refer to Fig.2 (Note 1), IOUT=2A VIN=5V VIN=5V VC=2.7V,VIN=5V VC=0.4V, VIN=5V IOUT=0A, VIN=5V MIN 3.201 For R35LD20(3.5V) PARAMETER Output Voltage Line Regulation Load Regulation Temperature Coefficient of Output Voltage Ripple Rejection Dropout Voltage ON Voltage for Control (Note 2) OFF ON Current for Control OFF Quiescent Current SYMBOL VOUT ∆VOUT ∆VOUT TCVO RR VD VC(ON) VC(OFF) IC(ON) IC(OFF) IQ TEST CONDITIONS VIN=5.5V, IOUT=1A VIN=4.5 ~ 10.5V, IOUT=5mA VIN=5.5V, IOUT=5mA ~ 2.0A TJ=0 ~ 125°C,IOUT=5mA Refer to Fig.2 (Note 1), IOUT=2A VIN=5V VIN=5V VC=2.7V,VIN=5.5V VC=0.4V, VIN=5.5V IOUT=0A, VIN=5.5V MIN 3.395 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 45 2.0 45 2.0 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 TYP MAX UNIT 3.5 3.605 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 3 of 11 QW-R102-015.L 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 ON Voltage for Control (Note 2) OFF ON Current for Control OFF Quiescent Current SYMBOL VOUT ∆VOUT ∆VOUT TCVO RR VD VC(ON) VC(OFF) IC(ON) IC(OFF) IQ TEST CONDITIONS VIN =7V, IOUT=1A VIN =6 ~ 12V, IOUT=5mA VIN =7V, IOUT=5mA ~ 2.0A TJ=0 ~ 125°C, IOUT=5mA Refer to Fig.2 (Note 1), IOUT=2A VIN =7V VIN =7V VC=2.7V, VIN =7V VC=0.4V, VIN =7V IOUT =0A, VIN =7V MIN 4.85 For R06LD20(6V) PARAMETER Output Voltage Line Regulation Load Regulation Temperature Coefficient of Output Voltage Ripple Rejection Dropout Voltage ON Voltage for Control (Note 2) OFF ON Current for Control OFF Quiescent Current SYMBOL VOUT ∆VOUT ∆VOUT TCVO RR VD VC(ON) VC(OFF) IC(ON) IC(OFF) IQ TEST CONDITIONS VIN =8V, IOUT=1A VIN =7 ~ 13V, IOUT=5mA VIN =8V, IOUT=5mA ~ 2.0A TJ=0 ~ 125°C, IOUT=5mA Refer to Fig.2 (Note 1), IOUT=2A VIN =8V VIN =8V VC=2.7V, VIN =8V VC=0.4V, VIN =8V IOUT =0A, VIN =8V MIN 5.82 For R08LD20(8V) PARAMETER Output Voltage Line Regulation Load Regulation Temperature Coefficient of Output Voltage Ripple Rejection Dropout Voltage ON Voltage for Control (Note 2) OFF ON Current for Control OFF Quiescent Current SYMBOL VOUT ∆VOUT ∆VOUT TCVO RR VD VC(ON) VC(OFF) IC(ON) IC(OFF) IQ TEST CONDITIONS VIN =10V, IOUT=1A VIN =9~15V, IOUT=5mA VIN =10V, IOUT=5mA~2.0A TJ=0~125°C, IOUT=5mA Refer to Fig.2 (Note 1), IOUT=2A VIN =10V VIN =10V VC=2.7V, VIN =10V VC=0.4V, VIN =10V IOUT =0A, VIN =10V MIN 7.76 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 45 TYP 5.0 0.5 0.1 ±0.02 55 MAX 5.15 2.5 2.0 0.5 2.0 0.8 20 -0.4 10 45 TYP 6.0 0.5 0.1 ±0.02 55 MAX 6.18 2.5 2.0 0.5 2.0 0.8 20 -0.4 10 45 TYP 8.0 0.5 0.1 ±0.02 55 MAX 8.24 2.5 2.0 0.5 2.0 0.8 20 -0.4 10 UNIT V % % %/°C dB V V V μA mA mA UNIT V % % %/°C dB V V V μA mA mA UNIT V % % %/°C dB V V V μA mA mA 4 of 11 QW-R102-015.L 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 ON Voltage for Control (Note 2) OFF ON Current for Control OFF Quiescent Current SYMBOL VOUT ∆VOUT ∆VOUT TCVO RR VD VC(ON) VC(OFF) IC(ON) IC(OFF) IQ TEST CONDITIONS VIN =11V, IOUT=1A VIN =10~16V, IOUT=5mA VIN =11V, IOUT=5mA~2.0A TJ=0~125°C, IOUT=5mA Refer to Fig.2 (Note 1), IOUT=2A VIN =11V VIN =11V VC=2.7V, VIN =11V VC=0.4V, VIN =11V IOUT =0A, VIN =11V MIN 8.73 For R10LD20(10V) PARAMETER Output Voltage Line Regulation Load Regulation Temperature Coefficient of Output Voltage Ripple Rejection Dropout Voltage ON Voltage for Control (Note 2) OFF ON Current for Control OFF Quiescent Current SYMBOL VOUT ∆VOUT ∆VOUT TCVO RR VD VC(ON) VC(OFF) IC(ON) IC(OFF) IQ TEST CONDITIONS VIN =12V, IOUT=1A VIN =11~17V, IOUT=5mA VIN =12V, IOUT=5mA~2.0A TJ=0~125°C, IOUT=5mA Refer to Fig.2 (Note 1), IOUT=2A VIN =12V VIN =12V VC=2.7V, VIN =12V VC=0.4V, VIN =12V IOUT =0A, VIN =12V MIN 9.7 For R12LD20(12V) PARAMETER Output Voltage Line Regulation Load Regulation Temperature Coefficient of Output Voltage Ripple Rejection Dropout Voltage ON Voltage for Control (Note 2) OFF ON Current for Control OFF Quiescent Current SYMBOL VOUT ∆VOUT ∆VOUT TCVO RR VD VC(ON) VC(OFF) IC(ON) IC(OFF) IQ TEST CONDITIONS VIN =14V, IOUT=1A VIN =13~19V, IOUT=5mA VIN =14V, IOUT=5mA~2.0A TJ=0~125°C, IOUT=5mA Refer to Fig.2 (Note 1), IOUT=2A VIN =14V VIN =14V VC=2.7V, VIN =14V VC=0.4V, VIN =14V IOUT =0A, VIN =14V MIN 11.64 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 45 TYP 9.0 0.5 0.1 ±0.02 55 MAX 9.27 2.5 2.0 0.5 2.0 0.8 20 -0.4 10 45 TYP 10.0 0.5 0.1 ±0.02 55 MAX 10.3 2.5 2.0 0.5 2.0 0.8 20 -0.4 10 45 2.0 UNIT V % % %/°C dB V V V μA mA mA UNIT V % % %/°C dB V V V μA mA mA 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 5 of 11 QW-R102-015.L RXXLD20 LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) For R15LD20(15V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage VOUT VIN =17V, IOUT=1A 14.55 15.0 15.45 V Line Regulation ∆VOUT VIN =16~20V, IOUT=5mA 0.5 2.5 % Load Regulation ∆VOUT VIN =17V, IOUT=5mA~2.0A 0.1 2.0 % Temperature Coefficient of Output Voltage TCVO TJ=0~125°C, IOUT=5mA ±0.02 %/°C Ripple Rejection RR Refer to Fig.2 45 55 dB Dropout Voltage VD (Note 1), IOUT=2A 0.5 V ON VC(ON) VIN =17V 2.0 V Voltage for Control (Note 2) OFF VC(OFF) VIN =17V 0.8 V ON IC(ON) VC=2.7V, VIN =17V 20 μA Current for Control OFF IC(OFF) VC=0.4V, VIN =17V -0.4 mA Quiescent Current IQ IOUT =0A, VIN =17V 10 mA Notes: 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 6 of 11 QW-R102-015.L RXXLD20 LINEAR INTEGRATED CIRCUIT TEST CIRCUITS Note : ○: TO-220F-4, ( ): TO-220B Fig.1 1 (2) ei 0.33μF + (3) 2 (4) 3 (5) 4 IO 47μF + VIN VIN=5V(R33LD20) 5.5V(R35LD20) 7V(R05LD20) 8V(R06LD20) 10V(R08LD20) V eo RL VIN=11V(R09LD20) 12V(R10LD20) 14V(R12LD20) 17V(R15LD20) f=120Hz ei=0.5Vrms Io=0.5A RR=20log (ei/eo) Fig.2 For Ripple Rejection TYPICAL APPLICATION UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 of 11 QW-R102-015.L RXXLD20 TYPICAL CHARACTERISTICS Fig.6 Overcurrent Protection Characteristics (Typical Value)(R09LD20) 12 12 11 11 10 10 Output voltage, Vo (V) Output voltage, Vo (V) Fig.5 Overcurrent Protection Characteristics (Typical Value)(R05LD20) 9 8 7 6 VD=2V 5 VD=3V 4 3 VD=1V 2 VD=2V 9 8 7 VD=3V 6 5 VD=1V 4 3 2 1 0 1.0 2.0 3.0 VD=0.5V 1 VD=0.5V 4.0 0 1.0 Fig.7 Overcurrent Protection Characteristics (Typical Value)(R12LD20) VD=2V 10 Output voltage deviation, VD=3V 9 8 7 VD=1V 6 5 4 3 VD=0.5V 2 1 0 1.0 2.0 3.0 4.0 Output current Io (A) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3.0 4.0 Fig.8 Output Voltage Deviation vs .Junction Temperature (R03LD20) Vo (mV) 12 11 2.0 Output current, Io (A) Output current, Io (A) Output voltage, Vo (V) LINEAR INTEGRATED CIRCUIT 150 VIN=5V Io=0.5A 100 50 0 -50 -100 -25 0 25 50 75 100 125 Junction temperature, TJ (°C) 8 of 11 QW-R102-015.L RXXLD20 LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS(Cont.) Fig.9 Output Voltage Deviation vs .Junction Temperature (R05LD20) 150 Fig.10 Output Voltage Deviation vs .Junction Temperature (R09LD20) 250 VIN=7V Io=0.5A VIN=11V Io=0.5A 150 100 100 50 50 0 0 -50 -50 -100 -100 -25 0 25 50 75 100 125 -150 -25 Fig.11 Output Voltage Deviation vs .Junction Temperature (R12LD20) 250 200 0 25 50 75 100 125 Junction temperature, TJ (°C) Junction temperature, TJ (°C) Fig.12 Output Voltage vs .Input Voltage (R33LD20) 8 VIN=18V Io=0.5A 7 150 6 100 0 50 4 RL=∞Ω 0 3 -50 -100 RL=1.65 1 -150 -200 -25 RL=3.3 2 0 25 50 75 100 125 0 0 2 4 6 Input voltage, Junction temperature, TJ (°C) Fig.13 Output Voltage vs .Input Voltage (R05LD20) 10 8 VIN (V) Fig.14 Output Voltage vs .Input Voltage (R09LD20) 10 8 RL=∞Ω 7 RL=9 6 5 RL=4.5 5 Vi-o=1V 4 RL=2.5Ω RL=∞Ω 3 RL=2.5Ω Vi-o=0.5V 2 1 0 0 0 2 4 6 8 10 Input voltage, VIN (V) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 0 5 10 15 Input voltage, VIN (V) 9 of 11 QW-R102-015.L RXXLD20 TYPICAL CHARACTERISTICS(Cont.) Fig.15 Output Voltage vs .Input Voltage (R12LD20) Fig.16 Circuit Operating Current vs .Input Voltage (R33LD20) 20 80 Output voltage, Vo (V) Output voltage, Vo (V) 15 RL=∞Ω 10 RL=12Ω RL=6Ω 5 60 40 RL=3.3Ω 20 RL=1.65Ω RL=∞Ω 0 0 0 5 10 15 20 25 0 5 Fig.18 Circuit Operating Current vs .Input Voltage (R09LD20) 80 80 60 40 RL=2.5Ω 20 RL=5Ω RL=∞Ω 0 5 10 Circuit operating current, IBIAS (mA) Circuit operating current, IBIAS (mA) Fig.17 Circuit Operating Current vs .Input Voltage (R05LD20) 0 10 Input voltage, VIN (V) Input voltage, VIN (V) 60 40 RL=4.5Ω 20 RL=9Ω RL=∞Ω 0 15 10 5 0 Input voltage, VIN (V) Input voltage, VIN (V) Fig.20 Dropout Voltage vs .Junction Temperature Fig.19 Circuit Operating Current vs .Input Voltage (R12LD20) 0.5 Dropout voltage, Vi-o (V) 80 Circuit operating current, IBIAS (mA) LINEAR INTEGRATED CIRCUIT 60 40 RL=6Ω 20 R12LD20 0.4 R33LD20 R09LD20 0.3 R05LD20 0.2 0.1 RL=12Ω 0 RL=∞Ω 0 5 10 15 20 0 25 Input voltage, VIN (V) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw -25 0 25 50 75 100 125 Junction temperature, TJ (°C) 10 of 11 QW-R102-015.L RXXLD20 LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS(Cont.) 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