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UNISONIC TECHNOLOGIES CO., LTD RXXLD10 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 10 Copyright © 2010 Unisonic Technologies Co., Ltd QW-R102-025,E 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 „ EQUIVALENT „ ORDERING INFORMATION Ordering Number Lead Free Halogen Free Package Packing RXXLD10L-TF4-T RXXLD10G-TF4-T TO-220F-4 Tube RXXLD10L-TN5-T RXXLD10G-TN5-T TO-252-5 Tube RXXLD10L-TN5-R RXXLD10G-TN5-R TO-252-5 Tape Reel

RXXLD10 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 10 www.unisonic.com.tw QW-R102-025,E „ PIN DESCRIPTION PIN NO. TO-220F-4 TO-252-5 PIN NAME 1 1 INPUT 2 2 ON/OFF 3 3 OUTPUT - 4 NC 4 5 GND „ MARKING INFORMATION PACKAGE VOLTAGE CODE MARKING TO-220F-4 TO-252-5 15:1.5V 18:1.8V 25:2.5V 03:3.0V 33:3.3V 05:5.0V 12:12V

RXXLD10 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 10 www.unisonic.com.tw QW-R102-025,E „ ABSOLUTE MAXIMUM RATINGS (Ta = 25 )℃ PARAMETER SYMBOL RATINGS UNIT Input Voltage V IN 18 V ON/OFF Control Terminal Voltage (Note 2) V C 18 V Output Current I OUT 1.0 A Power Dissipation (with infinite heat sink) P D 8 W Junction Temperature T J +150 ° С Operating Temperature T OPR -40 ~ +85 ° С Storage Temperature T STG -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 UNIT R15LD10 2.35 18 R18LD10 2.35 18 R25LD10 V OUT+0.5 18 R03LD10 V OUT+0.5 18 R33LD10 V OUT+0.5 18 R05LD10 V OUT+0.5 18 Input Voltage R12LD10 VIN VOUT+0.5 18 V R15LD10 1.45 1.5 1.55 R18LD10 1.75 1.8 1.85 R25LD10 2.438 2.5 2.562 R03LD10 2.925 3 3.075 R33LD10 3.218 3.3 3.382 R05LD10 4.875 5 5.125 Output Voltage R12LD10 VOUT 11.7 12 12.3 V Load Regulation ΔVOUT I OUT = 5mA ~ 1A 0.2 2 % Line Regulation ΔVOUT VIN = VO (TYP)+1V~VO (TYP)+6V IOUT = 5mA 0.1 1 % ON V C (ON) 2 Voltage for Control (Note 1) OFF V C (OFF) 0.8 V ON I C (ON) 200 Current for Control OFF I C (OFF) V C = 0.4V 2 µA Quiescent Current I Q I OUT = 0A 1 2 mA Output Off-State Dissipation Current I QS I OUT = 0A, VC = 0.4V 5 µA IOUT = 1A 0.2 0.5 Dropout Voltage(Note 2) V D IOUT = 1A (For R12LD10) 0.2 0.75 V Temperature Coefficient of Output Voltage TC VO T J = 0 ~ 125°C, IOUT = 5mA ±0.01 %/° С Ripple Rejection RR Refer to Fig.2 45 60 dB 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.

RXXLD10 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 10 www.unisonic.com.tw QW-R102-025,E „ TEST CIRCUIT Fig.1 Fig.2 Fig.3 For Ripple Rejection Fig.4 For Ripple Rejection

RXXLD10 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 5 of 10 www.unisonic.com.tw QW-R102-025,E „ TYPICAL APPLICATION CIRCUIT Fig. 5 Load VIN 1 3 High : Output ON Low or open : Output OFF CIN VoUT Co ON/OFF Fig. 6

RXXLD10 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 6 of 10 www.unisonic.com.tw QW-R102-025,E „ TYPICAL CHARACTERISTICS Power Dissipation, PD (W) Output Voltage, VoUT (V) Output Voltage, VoUT (V) 1.8 1.50.50 1.2 VIN = 2.35V VIN = 2.5V Overcurrent Protection Characteristics (R18LD10) Output Current, IoUT (A) 0.6 0.4 1.6 1.4 0.8 0.2 VIN = 5V VIN = 3.3V VIN = 3V Output Voltage, VoUT (V) 1.5 2.5 1.50.50 Overcurrent Protection Characteristics (R25LD10) Output Current, IoUT (A) 0.5 VIN = 5V VIN = 3.3V VIN = 3V VIN = 4.5V VIN = 3.6V Output Voltage, VoUT (V) 1.50.50 VIN = 5.5V Overcurrent Protection Characteristics (R03LD10) Output Current, IoUT (A) 2.5 1.5 0.5 VIN = 5V VIN = 7V VIN = 10V Output Voltage, VoUT (V) 3.5 1.50.50 2.5 VIN = 4.5V Overcurrent Protection Characteristics (R33LD10) Output Current, IoUT (A) 1.5 0.5 VIN = 5V VIN = 10V VIN = 7V VIN = 4.5V VIN = 5.5V

RXXLD10 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 7 of 10 www.unisonic.com.tw QW-R102-025,E „ TYPICAL CHARACTERISTICS(Cont.) 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 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 8 of 10 www.unisonic.com.tw QW-R102-025,E „ TYPICAL CHARACTERISTICS(cont.) 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 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 9 of 10 www.unisonic.com.tw QW-R102-025,E „ TYPICAL CHARACTERISTICS(Cont.) Operating Current, IBIAS (mA) Operating Current, IBIAS (mA) Input Voltage, VIN (V) 12 4 RL = ∞Ω (IoUT = 0A) RL = 3.3Ω(IoUT = 1A) 125 1.4 -50 Quescent Current vs. Junction Temperature (RXXLD10) -25 25 100 0.4 Circuit Operating Current vs. Input Voltage (R33LD10) VC = 2.7V Ta = Room temp. CIN = 0.33μF Co = 47μF 1 RL = 6.6Ω(IoUT = 0.5A) IOUT = 0A VC = 2.7V 18: VIN = 2.8V 15: VIN = 2.5V 33: VIN = 4.3V 30: VIN = 4.0V 25: VIN = 3.5V1.2 0.8 0.6 0.2 750 Junction Temperature, TJ (℃) Dropout Voltage, VD (V) Ripple Rejection, RR (dB)

RXXLD10 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 10 of 10 www.unisonic.com.tw QW-R102-025,E „ TYPICAL CHARACTERISTICS(Cont.) 0.5 Ripple Rejection vs. Output Current (RXXLD10) Output Current, IoUT (A) 0.75 0.25 ei (rms) = 0.5V f = 120Hz V C = 2.7V CO = 47μF Ta = Room temp. 015(VIN = 3.5V) 018(VIN = 3.8V) 025(VIN = 4.5V) 030(VIN = 5V) 033(VIN = 5.3V) Ripple Rejection, RR (dB) 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.