UNISONIC TECHNOLOGIES CO., LTD LR1102 CMOS IC LOW NOISE 150mA LDO REGULATOR DESCRIPTION 3 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. 2 1 5 4 SOT-25 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) *Pb-free plating product number: LR1102L ORDERING INFORMATION Order Number Normal Lead Free Plating LR1102x-xx-AF5-R LR1102xL-xx-AF5-R Note: Pin Assignment: I:VDD O:VOUT Package SOT-25 1 I Pin Assignment 2 3 4 5 G C N O Packing Tape Reel G:GND C: CE/CE N: No Connection LR1102xL-xx-AF5-R (1)Packing Type (2)Package Type (1) R: Tape Reel (2) AF5: SOT-25 (3)Output Voltage Code (3) xx: refer to Marking Information (4)Lead Plating (4) L: Lead Free Plating, Blank: Pb/Sn (5)Active (5) A: Low www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd B: High 1 of 12 QW-R502-038,C LR1102 CMOS IC MARKING INFORMATION PACKAGE VOLTAGE CODE SOT-25 50:5.0V 35:3.5V 33:3.3V 30:3.0V 2J:2.85V 28:2.8V 27:2.7V 25:2.5V 18:1.8V 15:1.5V MARKING For LR1102B-XX For LR1102A-XX 3 2 S L 4 3 1 VOLTAGE CODE 1 S H 4 5 2 VOLTAGE CODE 5 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,C LR1102 CMOS IC BLOCK DIAGRAM LR1102A-XX 1 5 V OUT V DD + VREF CE GND Current Limit 3 2 LR1102B-XX 1 5 V DD V OUT + VREF CE 3 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw GND Current Limit 2 3 of 12 QW-R502-038,C LR1102 CMOS IC ABSOLUTE MAXIMUM RATING 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 ℃ Operating Temperature TOPR -20 ~ +85 ℃ Storage Temperature TSTG -40 ~ +150 ℃ Note1.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.The device is guaranteed to meet performance specification within 0℃~+70℃ operating temperature range and assured by design from -20℃~+85℃. ELECTRICAL CHARACTERISTICS LR1102A-XX (TOPR=25℃) PARAMETER SYMBOL Output Voltage VOUT Output Current IOUT Load Regulation ∆VOUT/∆IOUT Dropout Voltage VDIF Supply Current ISS Supply Current (Standby) IST-BY Line Regulation ∆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 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 10 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 VOUTx1.02 MAX UNIT V 40 mV 20 1.0 0.20 µA µA %/V dB 8 V IOUT = 30mA, -20℃≤TOPR≤85℃ ±100 ppm/℃ VOUT=0V 200 5.0 mA MΩ V V µVrms 2.5 1.5 0.00 BW = 10Hz ~ 100kHz 10.0 VIN 0.25 30 LR1102B-XX (TOPR=25℃) 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-down Resistance CE Input Voltage ”H” CE Input Voltage ”L” Output Noise VIN TEST CONDITIONS MIN TYP VIN=Set VOUT + 1V, 1mA≤IOUT≤30mA VOUTx0.98 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 10 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 2 ∆VOUT/∆T IOUT = 30mA, -20℃≤TOPR≤85℃ ILIMIT RPD VCEH VCEL eN 2.5 1.5 0.00 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 200 5.0 30 UNIT V 40 mV 20 1.0 0.20 µA µA %/V dB 8 V ±100 VOUT=0V BW = 10Hz ~ 100kHz MAX VOUTx1.02 ppm/℃ 10.0 VIN 0.25 mA MΩ V V µVrms 4 of 12 QW-R502-038,C LR1102 CMOS IC ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE (TOPR=25℃) PARAMETER Output Current Dropout Voltage SYMBOL IOUT VD TEST CONDITIONS 1.5≤VOUT≤1.7 VIN -VOUT = 1.0V 1.8≤VOUT≤5.0 VOUT=1.5V IOUT = 100mA UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw VOUT=1.6V VOUT=1.7V 1.8≤VOUT≤1.9 2.0≤VOUT≤2.4 2.5≤VOUT≤2.7 2.8≤VOUT≤3.3 3.4≤VOUT≤5.0 MIN 100 150 TYP MAX 0.20 0.20 0.18 0.18 0.15 0.8 0.7 0.5 0.40 0.35 0.30 0.25 0.22 UNIT mA mA V V V V V V V V 5 of 12 QW-R502-038,C LR1102 CMOS IC TEST CIRCUITS CE CE 3 3 V OUT VDD IN 1 UTC LR1102-XX 5 VOUT VDD IN OUT 1 UTC LR1102-XX ISS IOUT 2.2µF 2.2µF 2 2 GND 0.1µF GND 0.1µF Fig.1 Standard Test Circuit Fig.2 Supply Current Test Circuit CE CE 3 3 IN VDD VOUT 1 OUT 5 UTC LR1102-XX 5 OUT IN VDD VOUT 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,C LR1102 CMOS IC TYPICAL APPLICATION CE IN V DD UTC LR1102-XX + Cap. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw OUT VOUT + GND Cap. 7 of 12 QW-R502-038,C LR1102 CMOS IC TYPICAL CHARACTERISTICS 1. Output Voltage vs. Output Current LR1102-1.8V LR1102-3.0V 2.0 3.5 T OPR = 25°C 1.6 3.8V 2.8V 1.4 1.2 1.0 0.8 0.6 V IN = 2.1V 0.4 4.0V 2.5 2.0 1.5 VIN = 3.3V 1.0 0.5 0.2 0.0 0 100 200 300 0.0 500 400 0 100 200 300 400 500 Output Current, IOUT (mA) Output Current, IOUT (mA) LR1102-5.0V LR1102-4.0V 6.0 5.0 4.5 5.0 4.0 Output Voltage, V OUT (V) Output Voltage, VOUT (V) TOPR = 25° C 5.0V 3.0 Output Voltage, VOUT (V) Output Voltage, VOUT (V) 1.8 6.0V 3.5 5.0V 3.0 2.5 2.0 V IN = 4.3V 1.5 1.0 7.0V 4.0 6.0V 3.0 1.5 2.0 VIN = 5.3V 1.0 0.5 0.0 0 100 200 300 400 500 0.0 100 0 Output Current, IOUT (mA) 200 300 400 500 Output Current, IOUT (mA) 2. Dropout Voltage vs. Output Current LR1102-3.0V LR1102-1.8V 1.20 0.40 0.35 0.80 TOPR = 85°C 0.60 25°C 0.40 -20°C 0.20 0.00 Dropout Voltage, VD (V) Dropout Voltage, VD (V) 1.00 0.30 0.25 25°C TOPR = 85°C 0.20 -20°C 0.15 0.10 0.05 0 50 100 150 Output Current, IOUT (mA) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 0.00 0 50 100 150 Output Current, IOUT (mA) 8 of 12 QW-R502-038,C LR1102 CMOS IC TYPICAL CHARACTERISTICS(Cont.) LR1102-5.0V 0.40 0.35 0.35 0.30 TOPR = 85°C 0.25 25°C 0.20 0.15 -20°C 0.10 Dropout Voltage, VD (V) Dropout Voltage, VD (V) LR1102-4.0V 0.40 0.05 0.00 0.30 0.25 TOPR = 85°C 25°C 0.20 0.15 -20°C 0.10 0.05 50 0 100 0.00 150 50 0 Output Current, IOUT (mA) 100 150 Output Current, IOUT (mA) 3. Output Voltage vs. Temperature LR1102-3.0V LR1102-1.8V 3.10 1.90 VIN = 2.8V IOUT = 30mA 1.86 1.84 1.82 1.80 1.78 1.76 3.06 3.04 3.02 3.00 2.98 2.96 1.74 2.94 1.72 2.92 1.70 -50 -25 0 25 50 75 VIN = 4.0V IOUT = 30mA 3.08 Output Voltage, VOUT (V) Output Voltage, VOUT (V) 1.88 2.90 -50 100 -25 0 LR1102-4.0V 100 75 LR1102-5.0V 4.10 5.10 VIN = 5.0V IOUT = 30mA 4.08 4.06 4.04 4.02 4.00 3.98 3.96 5.06 5.04 5.02 5.00 4.98 4.96 3.94 4.94 3.92 4.92 -25 0 25 50 75 100 Temperature, TOPR (℃) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw V IN = 6.0V IOUT = 30mA 5.08 Output Voltage, VOUT (V) Output Voltage, VOUT (V) 50 Temperature, TOPR (℃) Temperature, TOPR (℃) 3.90 -50 25 4.90 -50 -25 0 25 50 75 100 Temperature, TOPR (℃) 9 of 12 QW-R502-038,C LR1102 CMOS IC TYPICAL CHARACTERISTICS(Cont.) 4. Supply Current vs. Input Voltage LR1102-XX 60 TOPR = 25°C Supply Current, ISS (μA) 50 40 30 20 10 0 -2.0 -1.0 0 2.0 1.0 3.0 5.0 4.0 Input Voltage Differencl, VI(DIFF) (V) 5. Supply Current vs. Temperature LR1102-XX 50 VIN = VO UT+1V Supply Current, ISS (μA) 45 40 35 30 25 20 -50 100 50 0 Temperature, TOPR (℃) 6. Dropout Voltage vs. Set Output Voltage LR1102-XX 1.0 TOPR = 25°C Dropout Voltage, VD (V) 0.9 IOUT = 150mA IOUT = 100mA IOUT = 50mA IOUT = 30mA IOUT = 10mA 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 1.0 2.0 3.0 4.0 5.0 Set Output Voltage, VREG (V) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 10 of 12 QW-R502-038,C LR1102 CMOS IC TYPICAL CHARACTERISTICS(Cont.) 7. Ripple Rejection vs. Frequency LR1102-XX LR1102-XX 80 VIN = VOUT+1VDC+0.5Vp-p COUT = tantalum 1.0μF 60 50 IOUT = 1mA 40 30 VIN = VOUT+1VDC + 0.5Vp-p COUT = tantalum 2.2μF 70 Ripple Rejection, RR (dB) 70 Ripple Rejection, RR (dB) 80 IOUT = 30mA 20 60 50 IOUT = 1mA 40 30 IOUT = 30mA 20 10 10 0 0.1 1 0 0.1 100 10 1 100 10 Frequency, f (kHz) Frequency, f (kHz) 8. Ripple Rejection vs. Input Voltage (DC bias) LR1102-3.0V LR1102-3.0V 80 60 IOUT = 1mA COUT = 2.2μF 70 Ripple Rejection, RR (dB) Ripple Rejection, RR (dB) 70 80 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 3.5 3.4 Input Voltage, VIN (V) 9. Load Transient Response LR1102-3.0V VIN = 4V CIN = Tantalun 1μF COUT =Tantalum 4.7μF Output Voltage, V OUT (V) 3.3 150 100 Output Current 3.2 50 3.1 0 Output Voltage 3.0 -50 Output Current, IOUT (mA) 3.4 -100 2.9 -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,C 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,C