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| www..com UNISONIC TECHNOLOGIES CO.,LTD. RXXLD10 LOW VOLTAGE OPERATION LOW POWER-LOSS VOLTAGE REGULATORS FEATURES * Low voltage operation (Minimum operating voltage: 2.35V) 2.5V input available 1.5 ~ 1.8V * Low dissipation current * Built-in overcurrent protection and over temperature protection functions 1 LINEAR INTEGRATED CIRCUIT TO-252-5 EQUIVALENT *Pb-free plating product number: RXXLD10L 1 3 Specific IC 2 PIN DESCRIPTION PIN NO. 1 2 3 4 5 PIN NAME INPUT ON/OFF OUTPUT NC GND 5 ORDERING INFORMATION Order Number Package Normal Lead Free Plating RXXLD10-TN5-R RXXLD10L-TN5-R TO-252-5 Note: xx: Output Voltage, refer to Marking Information. MARKING INFORMATION PACKAGE VOLTAGE CODE 15:1.5V 18:1.8V 25:2.5V 03:3.0V 33:3.3V MARKING Packing Tape Reel TO-252-5 VOLTAGE CODE UTC RXXLD10L Space :Pb/Sn L:Pb-free DATE CODE www.unisonic.com.tw Copyright (c) 2005 Unisonic Technologies Co.,LTD. 1 QW-R102-025,A 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 125 Operating Temperature TOPR -20 ~ +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. 3.The device is guaranteed to meet performance specification within 0~70 operating temperature range and assured by design from -20~85. 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 = 0.5A 0.2 Temperature Coefficient of Output 0.01 TC VO TJ = 0 ~ 125C, 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 A 2 A 2 mA 5 A 2 % 1 0.5 % V %/ dB UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 QW-R102-025,A RXXLD10 TEST CIRCUIT VIN 1 3 LINEAR INTEGRATED CIRCUIT VOUT A 2 5 0.33F A IQ Vc A Ic + 47F IoUT V RL Fig.1 + 1 ei ~ 2 0.33F VIN 5 2.7V Vc + 47F RL 3 IOUT eo V f = 120Hz (sine wave), ei (rms) = 0.5V, VIN = VO (TYP)+2V, IOUT = 0.5A, RR = 20log (ei (rms) /eo (rms)) Fig.2 For Ripple Rejection TYPICAL APPLICATION CIRCUIT 1 3 VoUT VIN CIN 5 2 Co + Load ON/OFF signal High : Output ON Low or open : Output OFF UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 QW-R102-025,A 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 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 QW-R102-025,A RXXLD10 TYPICAL CHARACTERISTICS(cont.) Output Voltage vs. Ambient Temperature (R15LD10) 1.55 1.54 Output Voltage, VoUT (V) LINEAR INTEGRATED CIRCUIT Output Voltage vs. Ambient Temperature (R18LD10) 1.85 1.84 Output Voltage, VoUT (V) 1.53 1.52 1.51 1.5 1.49 1.48 1.47 1.46 1.45 -50 VIN = 2.5V VC = 2.7V IoUT = 0.5A 1.83 1.82 1.81 1.8 1.79 1.78 1.77 1.76 1.75 -50 VIN = 2.8V VC = 2.7V IoUT = 0.5A -25 0 25 50 75 100 125 Ambient Temperature, Ta () -25 0 25 50 75 100 125 Ambient Temperature, Ta () Output Voltage vs. Ambient Temperature (R25LD10) 2.525 2.52 Output Voltage, VoUT (V) Output Voltage vs. Ambient Temperature (R03LD10) 3.05 3.04 Output Voltage, VoUT (V) 2.515 2.51 2.505 2.5 2.495 2.49 2.485 2.48 2.475 -50 VIN = 3.5V VC = 2.7V IoUT = 0.5A 3.03 3.02 3.01 3 2.99 2.98 2.97 2.96 2.95 -50 VIN = 4V VC = 2.7V IoUT = 0.5A -25 0 25 50 75 100 125 Ambient Temperature, Ta () -25 0 25 50 75 100 125 Ambient Temperature, Ta () Output Voltage vs. Ambient Temperature (R33LD10) 3.35 3.34 Output Voltage, VoUT (V) Output Voltage vs. Input Voltage (R15LD10) 1.6 Output Voltage, VoUT (V) 3.33 3.32 3.31 3.3 3.29 3.28 3.27 3.26 3.25 -50 VIN = 4.3V VC = 2.7V IoUT = 0.5A 1.4 1.2 1 0.8 0.6 0.4 0.2 VC = 2.7V Ta = Room temp. CIN = 0.33F Co = 47F 5 1 2 3 4 Input Voltage, VIN (V) RL = 1.5(IoUT = 1A) RL = 3(IoUT = 0.5A) RL = (IoUT = 0A) -25 0 25 50 75 100 125 Ambient Temperature, Ta () 0 0 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 QW-R102-025,A RXXLD10 TYPICAL CHARACTERISTICS(cont.) Output Voltage vs. Input Voltage (R18LD10) 2 1.8 Output Voltage, VoUT (V) LINEAR INTEGRATED CIRCUIT Output Voltage vs. Input Voltage (R25LD10) 2.5 Output Voltage, VoUT (V) 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 RL = 1.8(IoUT = 1A) RL = 3.6(IoUT = 0.5A) RL = (IoUT = 0A) VC = 2.7V Ta = Room temp. CIN = 0.33F Co = 47F 5 1 2 3 4 Input Voltage, VIN (V) 2 RL = 2.5(IoUT = 1A) 1.5 1 0.5 0 VC = 2.7V Ta = Room temp. CIN = 0.33F Co = 47F 1 2 3 4 5 Input Voltage, VIN (V) RL = 5(IoUT = 0.5A) RL = (IoUT = 0A) 0 0 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 = 0.33F 2.5 Co = 47F 2 1.5 1 0.5 0 0 1 2 3 4 Input Voltage, VIN (V) 5 RL = 3(IoUT = 1A) RL = 6(IoUT = 0.5A) RL = (IoUT = 0A) VC = 2.7V 3 Ta = Room temp. CIN = 0.33F 2.5 Co = 47F 2 1.5 1 0.5 0 0 1 2 3 4 Input Voltage, VIN (V) 5 RL = 3.3( IoUT = 1A) RL = 6.6 (IoUT = 0.5 A) RL = (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 = 0.33F Co = 47F RL = 1.8(IoUT = 1A) VC = 2.7V Ta = Room temp. CIN = 0.33F Co = 10F RL = 1.5(IoUT = 1A) 10 RL = 3(IoUT = 0.5A) RL = (IoUT = 0A) 0 0 1 3 2 4 Input Voltage, VIN (V) 5 10 RL = 3.6(IoUT = 0.5A) RL = (IoUT = 0A) 0 0 1 3 2 4 Input Voltage, VIN (V) 5 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 QW-R102-025,A RXXLD10 TYPICAL CHARACTERISTICS(cont.) Circuit Operating Current vs. Input Voltage (R25LD10) 30 Operating Current, IBIAS (mA) RL = 2.5( IoUT = 1A) LINEAR INTEGRATED CIRCUIT Circuit Operating Current vs. Input Voltage (R03LD10) 30 Operating Current, IBIAS (mA) VC = 2.7V Ta = Room temp. CIN = 0.33F Co = 47F 20 20 VC = 2.7V Ta = Room temp. CIN = 0.33F Co = 47F RL = 6 (IoUT = 0 .5A ) RL = 3 (IoUT = 1 A) 10 RL = 5 (IoUT = 0.5A) 10 RL = (IoUT = 0A) 0 0 1 3 2 4 Input Voltage, VIN (V) 5 0 RL = (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 = 6.6(IoUT = 0.5A) VC = 2.7V RL = 3.3(IoUT = 1A) Ta = Room temp. CIN = 0.33F Co = 47F Quescent Current vs. Junction Temperature (RXXLD10) 1.4 33: VIN = 4.3V IOUT = 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 = (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, VD (V) 0.2 0.15 0.1 0.05 Ripple Rejection, RR (dB) Ripple Rejection vs . Input Ripple Frequency (RXXLD10) 75 15(VIN = 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 = 47F 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 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 QW-R102-025,A 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 = 47F Ta = Room temp. 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 8 QW-R102-025,A |
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