UNISONIC TECHNOLOGIES CO., LTD RXXLD20 LINEAR INTEGRATED CIRCUIT 2A OUTPUT TYPE LOW POWER-LOSS VOLTAGE REGULATOR 1 TO-252 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 Pin Assignment Package Lead Free Halogen Free 1 2 3 4 RXXLD20L-TB5-T RXXLD20G-TB5-T TO-220B N I O G RXXLD20L-TF4-T RXXLD20G-TF4-T TO-220F-4 I O G F RXXLD20L-TN3-T RXXLD20G-TN3-T TO-252 I G O RXXLD20L-TN3-R RXXLD20G-TN3-R TO-252 I G O Note: Pin Assignment: N: NC, I: INPUT, O: OUTPUT, G: GND, F: ON/OFF www.unisonic.com.tw Copyright © 2012 Unisonic Technologies Co., Ltd 5 F - Packing Tube Tube Tube Tape Reel 1 of 10 QW-R102-015.F RXXLD20 MARKING INFORMATION PACKAGE TO-220F-4 TO-220B TO-252 LINEAR INTEGRATED CIRCUIT VOLTAGE CODE 33 35 05 06 09 12 MARKING :3.3V :3.5V :5.0V :6.0V :9.0V :12 V BLOCK DIAGRAM TO-220F-4 TO-220B 2 3 Specfic IC 5 4 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 10 QW-R102-015.F RXXLD20 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (TA=25℃) PARAMETER SYMBOL Input Voltage(Note1) VIN ON/OFF Control Terminal Voltage (Note1) Vc Output Current IOUT TO-220F-4/TO-220B No Heat Sink TO-252 Power Dissipation PD TO-220F-4/TO-220B With Heat Sink TO-252 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≦150°C RATINGS 20 20 2.0 1.4 0.7 15 5 150 -40 ~ +85 -40 ~ +150 UNIT V V A W W ℃ ℃ ℃ ELECTRICAL CHARACTERISTICS (Refer to the test circuits, unless otherwise specified, TA=25℃) 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 ΔVOUT ΔVOUT 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℃,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 ΔVOUT ΔVOUT 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℃,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 %/℃ 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 %/℃ 55 dB 0.5 V V 0.8 V 20 μA -0.4 mA 10 mA 3 of 10 QW-R102-015.F 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 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 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 ΔVOUT ΔVOUT 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℃, 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 SYMBOL VOUT ΔVOUT ΔVOUT 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℃, 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 SYMBOL VOUT ΔVOUT ΔVOUT 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℃, 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 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 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 UNIT V % % %/℃ dB V V V μA mA mA UNIT V % % %/℃ dB V V V μA mA mA UNIT V % % %/℃ dB V V V μA mA mA 4 of 10 QW-R102-015.F RXXLD20 LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS(Cont.) For R12LD20(12V) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Output Voltage VOUT VIN =14V, IOUT=1A 11.64 12.0 12.36 V Line Regulation ΔVOUT VIN =13 ~ 19V, IOUT=5mA 0.5 2.5 % Load Regulation ΔVOUT VIN =14V, IOUT=5mA ~ 2.0A 0.1 2.0 % Temperature Coefficient of Output Voltage TCVO TJ=0 ~ 125℃, IOUT=5mA ±0.02 %/℃ Ripple Rejection RR Refer to Fig.2 45 55 dB Dropout Voltage VD (Note 1), IOUT=2A 0.5 V ON VC(ON) VIN =14V 2.0 V Voltage for Control (Note 2) OFF VC(OFF) VIN =14V 0.8 V ON IC(ON) VC=2.7V, VIN =14V 20 μA Current for Control OFF IC(OFF) VC=0.4V, VIN =14V -0.4 mA Quiescent Current IQ IOUT =0A, VIN =14V 10 mA 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 5 of 10 QW-R102-015.F RXXLD20 LINEAR INTEGRATED CIRCUIT TEST CIRCUITS Note : ○: TO-220F-4, ( ): TO-220B Fig.1 1 (2) + (3) 2 Io ei 0.33μF (4) 3 (5) 4 47μF + V eo RL VIN VIN=5V(R33LD20) 5.5V(R35LD20) 7V(R05LD20) 8V(R06LD20) 11V(R09LD20) 14V(R12LD20) 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 6 of 10 QW-R102-015.F RXXLD20 Output voltage deviation, △Vo (mV) Output voltage, Vo (V) Output voltage, Vo (V) TYPICAL CHARACTERISTICS Output voltage, Vo (V) LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 of 10 QW-R102-015.F 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 (℃) Junction temperature, TJ (℃) Fig.12 Output Voltage vs .Input Voltage (R33LD20) 8 VIN=18V Io=0.5A 7 150 6 100 0 50 4 RL= 0 3 -50 RL=3.3 2 -100 RL=1.65 1 -150 -200 -25 0 0 25 50 75 100 125 0 2 4 6 10 8 Input voltage, VIN (V) Junction temperature, TJ (℃) Fig.13 Output Voltage vs .Input Voltage (R05LD20) Fig.14 Output Voltage vs .Input Voltage (R09LD20) 10 8 R L= 7 RL=9 6 5 RL=4.5 5 Vi-o=1V 4 RL=2.5 RL= 3 RL=2.5 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) 8 of 10 QW-R102-015.F RXXLD20 TYPICAL CHARACTERISTICS(Cont.) Fig.15 Output Voltage vs .Input Voltage (R12LD30) Fig.16 Circuit Operating Current vs .Input Voltage (R33LD30) 20 80 Output voltage, Vo (V) Output voltage, Vo (V) 15 RL= 10 RL=12 RL=6 5 60 40 RL=3.3 20 RL=1.65 R L= 0 0 0 5 10 15 20 0 25 5 Fig.17 Circuit Operating Current vs .Input Voltage (R05LD30) Fig.18 Circuit Operating Current vs .Input Voltage (R09LD30) 80 80 60 40 RL=2.5 20 RL=5 RL= 0 0 5 10 Circuit operating current, IBIAS (mA) Circuit operating current, IBIAS (mA) 10 Input voltage, VIN (V) Input voltage, VIN (V) 60 40 RL=4.5 20 RL=9 RL= 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 (R12LD30) 0.5 Dropout voltage, Vi-o (V) 80 Circuit operating current, IBIAS (mA) LINEAR INTEGRATED CIRCUIT 60 40 RL=6 20 R12LD20 0.4 R33LD20 R09LD20 0.3 R05LD20 0.2 0.1 RL=12 RL= 0 0 0 5 10 15 20 25 Input voltage, VIN (V) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw -25 0 25 50 75 100 125 Junction temperature, TJ (℃) 9 of 10 QW-R102-015.F RXXLD20 LINEAR INTEGRATED CIRCUIT TYPICAL CHARACTERISTICS(Cont.) 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-R102-015.F