UNISONIC TECHNOLOGIES CO., LTD LR1102 CMOS IC LOW NOISE 150mA LDO REGULATOR DESCRIPTION The UTC LR1102 families are CMOS-based voltage regulator ICs with extremely low supply current, high output voltage accuracy, high Ripple Rejection and chip enable circuit. These ICs performance are excellent and with SOT-25 package, thus these ICs are very suitable for hand-held communication equipment. FEATURES * Ultra-Low Supply Current : Typ. 35µA * Standby Mode: Typ. 0.1µA * Low Dropout Voltage: Typ. 0.2V (IOUT = 100mA) * Excellent Line Regulation: Typ. 0.05%/V * High Ripple Rejection: Typ. 70dB (f = 1kHz) ORDERING INFORMATION Ordering Number Halogen Free LR1102XG-xx-AF5-R Note: Pin Assignment: I: VDD O: VOUT Package SOT-25 G: GND C: CE/ CE www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 I Pin Assignment 2 3 4 5 G C N O Packing Tape Reel N: No Connection 1 of 12 QW-R502-038. K LR1102 CMOS IC MARKING INFORMATION PACKAGE VOLTAGE CODE LR1102A 25:2.5V 27:2.7V 28:2.8V 2J:2.85V 30:3.0V 33:3.3V 35:3.5V 50:5.0V LR1102B 18: 1.8V 25:2.5V 27:2.7V 28:2.8V 2J:2.85V 30:3.0V 33:3.3V 35:3.5V 50:5.0V MARKING PIN DESCRIPTION PIN NO. 1 2 3 4 5 PIN NAME VDD GND CE/CE NC VOUT DESCRIPTION Input Pin Ground Pin Chip Enable Pin No Connection Output Pin UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 12 QW-R502-038. K LR1102 CMOS IC BLOCK DIAGRAM LR1102B-XX 1 5 V OUT V DD + VREF CE 3 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw GND Current Limit 2 3 of 12 QW-R502-038. K LR1102 CMOS IC ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Input Voltage VIN 9 V Input Voltage VCE -0.3 ~ VIN+0.3 V Output Voltage VOUT -0.3 ~ VIN+0.3 V Output Current IOUT 200 mA Power Dissipation PD 250 mW Junction Temperature TJ +125 °С Operating Temperature TOPR -40 ~ +85 °С Storage Temperature TSTG -55 ~ +125 °С Note: 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. ELECTRICAL CHARACTERISTICS LR1102A-XX (TOPR=25°С) PARAMETER Output Voltage Output Current Load Regulation Dropout Voltage Supply Current Supply Current (Standby) Line Regulation SYMBOL VOUT IOUT ∆VOUT/∆IOUT VDIF ISS IST-BY ∆VOUT/∆VIN Ripple Rejection RR Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-up Resistance CE Input Voltage ”H” CE Input Voltage ”L” Output Noise VIN ∆VOUT/∆T ILIMIT RPU VCEH VCEL eN TEST CONDITIONS MIN TYP VIN=Set VOUT + 1V, 1mA≤IOUT≤30mA VOUTx0.98 VIN=Set VOUT + 1V, 0mA≤IOUT≤150mA VOUTx0.97 VIN=9V, 0mA≤IOUT≤150mA VOUTx0.97 Refer to the Electrical Characteristics by Output Voltage VIN=Set VOUT + 1V, 1mA≤IOUT≤80mA 12 Refer to the Electrical Characteristics by Output Voltage VIN=Set VOUT + 1V 35 VIN=VCE=Set VOUT + 1V 0.1 Set VOUT + 0.5V≤VIN≤8V, IOUT=30mA 0.05 f=1kHz, Ripple 0.5Vp-p, 70 VIN=Set VOUT+ 1V 2 IOUT = 30mA, -20°С≤TOPR≤85°С VOUTx1.03 UNIT V V V 40 mV 70 1.0 0.20 μA μA %/V VOUTx1.02 VOUTx1.03 dB 8 V ±100 VOUT=0V 2.5 1.5 0.00 BW = 10Hz ~ 100kHz MAX 200 5.0 ppm/°С 10.0 VIN 0.25 30 mA MΩ V V μVrms LR1102B-XX (TOPR=25°С) PARAMETER Output Voltage Output Voltage Output Voltage Output Current Load Regulation Dropout Voltage Supply Current Supply Current (Standby) Line Regulation Ripple Rejection SYMBOL VOUT VOUT VOUT IOUT ∆VOUT/∆IOUT VDIF ISS IST-BY ∆VOUT/∆VIN RR TEST CONDITIONS MIN TYP VIN=Set VOUT + 1V, 1mA≤IOUT≤30mA VOUTx0.98 VIN=Set VOUT + 1V, 0mA≤IOUT≤150mA VOUTx0.97 VIN=9V, 0mA≤IOUT≤150mA VOUTx0.97 Refer to the Electrical Characteristics by Output Voltage VIN=Set VOUT + 1V, 1mA≤IOUT≤80mA 12 Refer to the Electrical Characteristics by Output Voltage VIN=Set VOUT + 1V 35 VIN= Set VOUT + 1V, VCE=GND 0.1 Set VOUT + 0.5V≤VIN≤8V, IOUT=30mA 0.05 f=1kHz, Ripple 0.5Vp-p 70 VIN=Set VOUT + 1V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MAX VOUTx1.02 VOUTx1.03 VOUTx1.03 UNIT V V V 40 mV 70 1.0 0.20 μA μA %/V dB 4 of 12 QW-R502-038. K LR1102 ELECTRICAL CHARACTERISTICS(Cont.) PARAMETER Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-down Resistance CE Input Voltage ”H” CE Input Voltage ”L” Output Noise CMOS IC SYMBOL VIN TEST CONDITIONS MIN 2 ∆VOUT/∆T IOUT = 30mA, -20°С≤TOPR≤85°С ILIMIT RPD VCEH VCEL eN TYP MAX 8 ±100 VOUT=0V 2.5 1.5 0.00 BW = 10Hz ~ 100kHz 200 5.0 UNIT V ppm/°С 10.0 VIN 0.25 30 mA MΩ V V μVrms ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE (TOPR=25°С) PARAMETER Output Current SYMBOL IOUT TEST CONDITIONS VIN -VOUT = 1.0V 1.8≤VOUT≤5.0 1.8≤VOUT≤2.7 2.8≤VOUT≤3.3 3.4≤VOUT≤5.0 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 150 TYP MAX 0.18 0.18 0.15 0.30 0.25 0.22 UNIT mA V V V 5 of 12 QW-R502-038. K LR1102 CMOS IC TEST CIRCUITS CE CE 3 3 IN VDD VOUT 1 UTC LR1102-XX 5 OUT IN VDD V OUT 1 UTC LR1102-XX OUT 5 I OUT P.G 2 2 GND Fig.3 Ripple Rejection, Line Transient Response Test Circuit UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 1µF GND I1 I2 Fig.4 Load Transient Response Test Circuit 6 of 12 QW-R502-038. K LR1102 CMOS IC TYPICAL APPLICATION UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 of 12 QW-R502-038. K LR1102 CMOS IC TYPICAL CHARACTERISTICS Output Voltage, VOUT (V) Output Voltage, VOUT (V) 1. Output Voltage vs. Output Current 2. Dropout Voltage vs. Output Current UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 8 of 12 QW-R502-038. K LR1102 CMOS IC TYPICAL CHARACTERISTICS(Cont.) Output Voltage, VOUT (V) Output Voltage, VOUT (V) 3. Output Voltage vs. Temperature LR1102-5.0V 5.10 VIN = 6.0V IOUT = 30mA Output Voltage, VOUT (V) 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 4.90 -50 -25 0 25 50 75 100 Temperature, TOPR (°С) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 9 of 12 QW-R502-038. K LR1102 CMOS IC TYPICAL CHARACTERISTICS(Cont.) Supply Current, ISS (μA) 4. Supply Current vs. Input Voltage 5. Supply Current vs. Temperature LR1102-XX 50 VIN = VOUT+1V 45 40 35 30 25 20 -50 50 0 100 Temperature, TOPR (°С) Dropout Voltage, VD (V) 6. Dropout Voltage vs. Set Output Voltage UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 10 of 12 QW-R502-038. K LR1102 CMOS IC TYPICAL CHARACTERISTICS(Cont.) Ripple Rejection, RR (dB) Ripple Rejection, RR (dB) 7. Ripple Rejection vs. Frequency 8. Ripple Rejection vs. Input Voltage (DC bias) LR1102-3.0V LR1102-3.0V 80 80 60 IOUT = 1mA COUT = 2.2μF 70 Ripple Rejection, RR (dB) Ripple Rejection, RR (dB) 70 50 40 f = 400Hz 30 f = 1kHz 20 10 3.2 3.3 60 50 40 f = 400Hz 30 f = 1kHz 20 10 f = 10kHz 0 3.1 IOUT = 10mA COUT = 2.2μF 3.4 f = 10kHz 0 3.1 3.5 3.2 Input Voltage, VIN (V) 3.3 3.4 3.5 Input Voltage, VIN (V) 9. Load Transient Response LR1102-3.0V VIN = 4V CIN = Tantalun 1μF COUT =Tantalum 4.7μF Output Voltage, VOUT (V) 3.3 150 100 Output Current 3.2 50 3.1 0 Output Voltage 3.0 -50 -100 2.9 Output Current, IOUT (mA) 3.4 -150 2.8 0 2 4 6 8 10 12 14 16 18 20 Time, t (μs) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 11 of 12 QW-R502-038. K LR1102 CMOS IC 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 12 of 12 QW-R502-038. K