LR1102

UNISONIC TECHNOLOGIES CO., LTD LR1102 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. 3 2 1 CMOS IC 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 23 4 5 GC N O Packing Tape Reel G:GND C: CE/CE N: No Connection L R1102xL-xx-AF5-R (1)Packing Type (2)Package Type (3)Output Voltage Code (4)Lead Plating (5)Active (1) R: Tape Reel (2) AF5: SOT-25 (3) xx: refer to Marking Information (4) L: Lead Free Plating Blank: Pb/Sn , (5) A: Low B: High www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd 1 of 12 QW-R502-038,C LR1102 MARKING INFORMATION PACKAGE VOLTAGE CODE 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 For LR1102A-XX 3 2 1 CMOS IC MARKING For LR1102B-XX 3 2 1 SOT-25 SL VOLTAGE CODE SH VOLTAGE CODE 4 5 4 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 BLOCK DIAGRAM CMOS IC LR1102A-XX 1 5 V DD V OUT + VREF CE 3 Current Limit 2 GND LR1102B-XX 1 5 V DD V OUT + VREF CE 3 Current Limit 2 GND UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 12 QW-R502-038,C LR1102 ABSOLUTE MAXIMUM RATING CMOS IC 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 Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-up Resistance CE Input Voltage ”H” CE Input Voltage ”L” Output Noise LR1102B-XX (TOPR=25℃) PARAMETER Output Voltage Output Current Load Regulation Dropout Voltage Supply Current Supply Current (Standby) Line Regulation Ripple Rejection Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-down Resistance CE Input Voltage ”H” CE Input Voltage ”L” Output Noise SYMBOL VOUT IOUT ∆VOUT/∆IOUT VDIF ISS IST-BY ∆VOUT/∆VIN RR 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 ±100 2.5 1.5 0.00 BW = 10Hz ~ 100kHz 200 5.0 10.0 VIN 0.25 MAX VOUTx1.02 RR 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 IOUT = 30mA, -20℃≤TOPR≤85℃ VOUT=0V 2.5 1.5 0.00 BW = 10Hz ~ 100kHz ±100 200 5.0 MAX VOUTx1.02 UNIT V mV µA µA %/V dB 40 20 1.0 0.20 8 V ppm/℃ 10.0 VIN 0.25 30 mA MΩ V V µVrms UNIT V mV µA µA %/V dB 40 20 1.0 0.20 8 V ppm/℃ mA MΩ V V µVrms 4 of 12 QW-R502-038,C ∆VOUT/∆T IOUT = 30mA, -20℃≤TOPR≤85℃ ILIMIT RPD VCEH VCEL eN VOUT=0V 30 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LR1102 ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE (TOPR=25℃) PARAMETER Output Current SYMBOL IOUT TEST CONDITIONS 1.5≤VOUT≤1.7 VIN -VOUT = 1.0V 1.8≤VOUT≤5.0 VOUT=1.5V 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 CMOS IC MAX Dropout Voltage VD IOUT = 100mA 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 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 12 QW-R502-038,C LR1102 TEST CIRCUITS CMOS IC CE 3 3 CE IN VDD 1 UTC LR1102-XX 5 V OUT OUT IN ISS VDD 1 UTC LR1102-XX 5 VOUT OUT IOUT 2.2µF 2 0.1µF GND 2.2µF 2 0.1µF GND Fig.1 Standard Test Circuit Fig.2 Supply Current Test Circuit CE 3 3 CE IN VDD 1 UTC LR1102-XX 5 VOUT OUT I OUT IN VDD 1 UTC LR1102-XX 5 VOUT OUT P.G 2 GND 1µF 2 GND I1 I2 Fig.3 Ripple Rejection, Line Transient Response Test Circuit Fig.4 Load Transient Response Test Circuit UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 12 QW-R502-038,C LR1102 TYPICAL APPLICATION CMOS IC CE IN + Cap. V DD UTC LR1102-XX VOUT + OUT GND Cap. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 of 12 QW-R502-038,C LR1102 TYPICAL CHARACTERISTICS 1. Output Voltage vs. Output Current LR1102-1.8V 2.0 1.8 T OPR = 25°C 3.5 3.0 5.0V LR1102-3.0V CMOS IC TOPR = 25° C 4.0V Output Voltage, VOUT (V) Output Voltage, VOUT (V) 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 3.8V 2.8V 2.5 2.0 1.5 1.0 0.5 VIN = 3.3V V IN = 2.1V 100 200 300 400 500 0.0 0 100 200 300 400 500 Output Current, IOUT (mA) Output Current, IOUT (mA) LR1102-4.0V 5.0 4.5 Output Voltage, VOUT (V) LR1102-5.0V 6.0 5.0 6.0V 5.0V Output Voltage, V OUT (V) 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 100 200 300 7.0V 6.0V 4.0 3.0 1.5 2.0 V IN = 4.3V VIN = 5.3V 1.0 0.0 400 500 0 100 200 300 400 500 Output Current, IOUT (mA) Output Current, IOUT (mA) 2. Dropout Voltage vs. Output Current LR1102-1.8V 1.20 1.00 Dropout Voltage, VD (V) Dropout Voltage, VD (V) LR1102-3.0V 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 TOPR = 85°C 25°C 0.80 0.60 0.40 0.20 0.00 -20°C TOPR = 85°C 25°C -20°C 0 50 100 150 0.00 0 50 100 150 Output Current, IOUT (mA) Output Current, IOUT (mA) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 8 of 12 QW-R502-038,C LR1102 TYPICAL CHARACTERISTICS(Cont.) LR1102-4.0V 0.40 0.35 Dropout Voltage, VD (V) Dropout Voltage, VD (V) CMOS IC LR1102-5.0V 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 -20°C TOPR = 85°C 25°C 0.30 0.25 0.20 0.15 0.10 0.05 0.00 0 50 100 150 -20°C TOPR = 85°C 25°C 0.00 0 50 100 150 Output Current, IOUT (mA) Output Current, IOUT (mA) 3. Output Voltage vs. Temperature LR1102-1.8V 1.90 1.88 VIN = 2.8V IOUT = 30mA 3.10 3.08 VIN = 4.0V IOUT = 30mA LR1102-3.0V Output Voltage, VOUT (V) Output Voltage, VOUT (V) 1.86 1.84 1.82 1.80 1.78 1.76 1.74 1.72 1.70 -50 -25 0 25 50 75 100 3.06 3.04 3.02 3.00 2.98 2.96 2.94 2.92 2.90 -50 -25 0 25 50 75 100 Temperature, TOPR (℃) Temperature, TOPR (℃) LR1102-4.0V 4.10 4.08 Output Voltage, VOUT (V) LR1102-5.0V 5.10 VIN = 5.0V IOUT = 30mA Output Voltage, VOUT (V) 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 V IN = 6.0V IOUT = 30mA 4.06 4.04 4.02 4.00 3.98 3.96 3.94 3.92 3.90 -50 -25 0 25 50 75 100 4.90 -50 -25 0 25 50 75 100 Temperature, TOPR (℃) Temperature, TOPR ( ℃) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 9 of 12 QW-R502-038,C LR1102 TYPICAL CHARACTERISTICS(Cont.) 4. Supply Current vs. Input Voltage LR1102-XX 60 50 TOPR = 25°C CMOS IC Supply Current, ISS ( μA) 40 30 20 10 0 -2.0 -1.0 0 1.0 2.0 3.0 4.0 5.0 Input Voltage Differencl, VI(DIFF) ( V) 5. Supply Current vs. Temperature LR1102-XX 50 VIN = VO UT+1V 45 Supply Current, ISS ( μA) 40 35 30 25 20 -50 0 50 Temperature, TOPR (℃) 100 6. Dropout Voltage vs. Set Output Voltage LR1102-XX 1.0 0.9 TOPR = 25°C IOUT = 150mA IOUT = 100mA IOUT = 50mA IOUT = 30mA IOUT = 10mA Dropout Voltage, VD (V) 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 TYPICAL CHARACTERISTICS(Cont.) 7. Ripple Rejection vs. Frequency LR1102-XX 80 70 Ripple Rejection, RR (dB) CMOS IC LR1102-XX 80 70 Ripple Rejection, RR (dB) VIN = VOUT+1VDC+0.5Vp-p COUT = tantalum 1.0μF VIN = VOUT+1VDC + 0.5Vp-p COUT = tantalum 2.2μF 60 50 40 30 20 10 0 0.1 1 10 100 IOUT = 1mA IOUT = 30mA 60 50 40 30 20 10 0 0.1 1 10 100 IOUT = 1mA IOUT = 30mA Frequency, f (kHz) Frequency, f (kHz) 8. Ripple Rejection vs. Input Voltage (DC bias) LR1102-3.0V 80 70 Ripple Rejection, RR (dB) Ripple Rejection, RR (dB) LR1102-3.0V 80 70 60 50 40 30 20 10 3.5 0 3.1 3.2 3.3 Input Voltage, VIN (V) f = 1kHz f = 10kHz 3.4 3.5 f = 400Hz IOUT = 10mA COUT = 2.2μF 60 50 40 30 20 10 IOUT = 1mA COUT = 2.2μF f = 400Hz f = 1kHz f = 10kHz 3.2 3.3 Input Voltage, VIN (V) 3.4 0 3.1 9. Load Transient Response LR1102-3.0V 3.4 3.3 Output Voltage, V OUT (V) Output Current 3.2 3.1 3.0 2.9 2.8 0 2 4 6 8 10 Time, t ( μs) 12 14 16 18 20 Output Voltage 50 0 -50 -100 -150 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 11 of 12 QW-R502-038,C Output Current, IOUT (mA) VIN = 4V CIN = Tantalun 1μF COUT =Tantalum 4.7μF 150 100 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