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UNISONIC TECHNOLOGIES CO., LTD LD1117/A LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS DESCRIPTION The UTC LD1117/A is a low dropout, 3-terminal positive voltage regulator designed to provide output current up to 800mA/1A, There are adjustable version (VREF=1.25V) and various fixed versions. LINEAR INTEGRATED CIRCUIT FEATURES * Low dropout voltage * Suitable for SCSI-2 active termination if VOUT set to 2.85V * Output current up to 0.8A for 1117 and 1.0A for 1117A * Built-in current limit and over temperature protection * Available in 1%(at 25C) and 2% in all temperature range * Low current consumption *Pb-free plating product number: LD1117L-xx / LD1117AL-xx ORDERING INFORMATION Order Number Normal Lead Free Plating LD1117-xx-AA3-- LD1117L-xx-AA3-- LD1117-xx-AB3-- LD1117L-xx-AB3-- LD1117-xx-TA3-- LD1117L-xx-TA3-- LD1117-xx-TN3-- LD1117L-xx-TN3-- LD1117-xx-TQ2-- LD1117L-xx-TQ2-- LD1117-xx-TQ3-- LD1117L-xx-TQ3-- LD1117-xx-S08-- LD1117L-xx-S08-- Note: Pin Assignment: I:VIN O:VOUT G:GND Package SOT-223 SOT-89 TO-220 TO-252 TO-263 TO-263-3 SOP-8 Pin Assignment A: GOI B: OGI C: GIO D: IGO GOOIxOOx Packing R: Tape Reel T: Tube www.unisonic.com.tw Copyright (c) 2005 Unisonic Technologies Co., Ltd 1 of 12 QW-R102-006,Q LD1117/A MARKING INFORMATION PACKAGE VOLTAGE CODE LINEAR INTEGRATED CIRCUIT MARKING SOT-89 SOT-223 12 15 18 25 2J 30 33 36 50 AD :1.2V :1.5V :1.8V :2.5V :2.85V :3.0V :3.3V :3.6V :5.0V :ADJ TO-220 TO-252 TO-263 TO-263-3 Note: Current code: Blank: 0.8A A: 1A PIN CONFIGURATION GND 1 8 NC VOUT 2 7 VOUT VOUT 3 6 VOUT VIN 4 5 NC UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 12 QW-R102-006,Q LD1117/A BLOCK DIAGRAM LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 12 QW-R102-006,Q LD1117/A ABSOLUTE MAXIMUM RATINGS (Ta=25) LINEAR INTEGRATED CIRCUIT PARAMETER SYMBOL RATINGS DC Input Voltage VIN 18 Power Dissipation PD Internally limited Junction Temperature TJ +150 Storage temperature TSTG -65 ~ +150 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. UNIT V C C RECOMMENDED OPERATING RATINGS PARAMETER Input Voltage Operating Junction Temperature Range SYMBOL VIN TJ RATINGS 15 0 ~ +125 UNIT V C ELECTRICAL CHARACTERISTICS (Ta=25, refer to the test circuits, TJ=0 to 125C, Co=10F unless otherwise specified) For LD1117/A-1.2 PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Current Limit Minimum Load Current Output Noise Voltage Supply Voltage Rejection SYMBOL TEST CONDITIONS VOUT VIN=3.2V, IOUT=10mA, TJ=25C VIN=2.7 to 8V VOUT LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1.0A VOUT VIN=2.7 to 8V, IOUT=0mA VIN=2.7V VOUT LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1000mA VOUT VOUT 1000 hrs, TJ =125C VIN IOUT=100mA IQ VIN10V LD1117 ILIMIT VIN=6.2V, TJ =25C LD1117A IO(MIN) VIN=15V eN B=10Hz to 10KHz, TJ =25C IOUT=40mA, f=120Hz, TJ =25C, SVR VIN=4.2V, VRIPPLE=1Vpp IOUT=100mA IOUT=500mA VD IOUT=800mA IOUT=1000 mA Ta=25C, 30ms Pulse MIN. 1.188 1.176 TYP. 1.200 1.200 1 1 0.5 0.3 5 800 1000 2 100 60 75 1.00 1.15 1.20 1.20 0.01 1.10 1.25 1.30 1.30 0.10 5 15 10 MAX. 1.212 1.224 6 10 UNIT V V mV mV % % V mA mA mA V dB V V V V %/W Dropout Voltage Thermal Regulation UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 12 QW-R102-006,Q LD1117/A ELECTRICAL CHARACTERISTICS(Cont.) For LD1117/A-1.5 PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Current Limit Output Noise Voltage Supply Voltage Rejection LINEAR INTEGRATED CIRCUIT Dropout Voltage Thermal Regulation For LD1117/A-1.8 PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Current Limit Output Noise Voltage Supply Voltage Rejection SYMBOL TEST CONDITIONS VOUT VIN=3.5V, IOUT=10mA, TJ=25C VIN=3 to 8V VOUT LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1.0A VOUT VIN=3 to 8V, IOUT=0mA VIN=3V VOUT LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1000mA VOUT VOUT 1000 hrs, TJ =125C VIN IOUT=100mA IQ VIN10V LD1117 ILIMIT VIN=6.5V, TJ =25C LD1117A eN B=10Hz to 10KHz, TJ =25C IOUT=40mA, f=120Hz, TJ =25C, SVR VIN=4.5V, VRIPPLE=1Vpp IOUT=100mA IOUT=500mA VD IOUT=800mA IOUT=1000 mA Ta=25C, 30ms Pulse MIN. 1.485 1.470 TYP. 1.500 1.500 1 1 0.5 0.3 5 MAX. 1.515 1.530 6 10 UNIT V V mV mV % % V mA mA 15 10 800 1000 100 60 75 1.00 1.15 1.20 1.20 0.01 1.10 1.25 1.30 1.30 0.10 V dB V V V V %/W Dropout Voltage Thermal Regulation SYMBOL TEST CONDITIONS VOUT VIN=3.8V, IOUT=10mA, TJ =25C VIN=3.3 to 8V VOUT LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1000mA VOUT VIN=3.3 to 8V, IOUT=0mA VIN=3.3V VOUT LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1000mA VOUT VOUT 1000 hrs, TJ =125C VIN IOUT=100mA IQ VIN8V LD1117 ILIMIT VIN=6.8V, TJ =25C LD1117A eN B=10Hz to 10KHz, TJ =25C IOUT=40mA, f=120Hz, TJ =25C, SVR VIN=5.5V, Vripple=1Vpp IOUT=100mA IOUT=500mA VD IOUT=800mA IOUT=1000 mA Ta=25C, 30ms Pulse MIN. 1.780 1.760 TYP. 1.800 1.800 1 1 0.5 0.3 5 MAX. 1.820 1.840 6 10 UNIT V V mV mV % % V mA mA 10 10 800 1000 100 60 75 1.00 1.15 1.20 1.20 0.01 1.10 1.25 1.30 1.30 0.10 V dB V V V V %/W UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 12 QW-R102-006,Q LD1117/A ELECTRICAL CHARACTERISTICS(Cont.) For LD1117/A-2.5 PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Current Limit Output Noise Voltage Supply Voltage Rejection SYMBOL VOUT VOUT VOUT VOUT VOUT VOUT VIN IQ ILIMIT eN SVR LINEAR INTEGRATED CIRCUIT TEST CONDITIONS VIN=4.5V,IOUT=10mA, TJ=25C VIN=3.9 to 10V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1.0A VIN=3.9 to 10V, IOUT=0mA VIN=3.9V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1000mA 1000 hrs, TJ =125C IOUT=100mA VIN10V 1% 2% 2% 4% MIN. 2.475 2.450 2.450 2.400 TYP. 2.500 2.500 2.500 2.500 1 1 0.5 0.3 5 MAX. 2.525 2.550 2.550 2.600 6 10 UNIT V V mV mV % % V mA mA 15 10 Dropout Voltage Thermal Regulation For LD1117/A-2.85 PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Current Limit Output Noise Voltage Supply Voltage Rejection VD LD1117 LD1117A B=10Hz to 10KHz, TJ =25C IOUT=40mA, f=120Hz, TJ =25C, VIN=5.5V, Vripple=1Vpp IOUT=100mA IOUT=500mA IOUT=800mA IOUT=1000 mA Ta=25C, 30ms Pulse VIN=7.5V, TJ =25C TEST CONDITIONS VIN=4.85V, IOUT=10mA, TJ =25C VIN=4.25 to 10V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1.0A VIN=4.25 to 10V, Io=0mA VIN=4.25V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1000mA 1000 hrs, TJ =125C IOUT=100mA VIN10V LD1117 LD1117A B=10Hz to 10KHz, TJ =25C IOUT=40mA, f=120Hz, TJ =25C, VIN=5.85V, Vripple=1Vpp IOUT=100mA IOUT=500mA IOUT=800mA IOUT=1000 mA Ta=25C, 30ms Pulse VIN=7.85V, TJ =25C 800 1000 100 60 75 1.00 1.15 1.20 1.20 0.01 MIN. 2.828 2.790 TYP. 2.850 2.850 1 1 0.5 0.3 5 800 1000 100 60 75 1.00 1.15 1.20 1.20 0.01 1.10 1.25 1.30 1.30 0.10 15 10 1.10 1.25 1.30 1.30 0.10 MAX. 2.880 2.910 6 10 V dB V V V V %/W UNIT V V mV mV % % V mA mA V dB V V V V %/W SYMBOL VOUT VOUT VOUT VOUT VOUT VOUT VIN IQ ILIMIT eN SVR Dropout Voltage Thermal Regulation VD UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 12 QW-R102-006,Q LD1117/A ELECTRICAL CHARACTERISTICS(Cont.) For LD1117/A-3.0 PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Current Limit Output Noise Voltage Supply Voltage Rejection SYMBOL VOUT VOUT VOUT VOUT VOUT VOUT VIN IQ ILIMIT eN SVR LINEAR INTEGRATED CIRCUIT TEST CONDITIONS VIN=5V,IOUT=10mA,TJ =25C VIN=4.5 to 10V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1.0A VIN=4.5 to 12V, IOUT=0mA VIN=4.5V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1000mA 1000 hrs, TJ =125C IOUT=100mA VIN10V LD1117 LD1117A B=10Hz to 10KHz, TJ =25C IOUT=40mA, f=120Hz, TJ =25C, VIN=6V, VRIPPLE=1Vpp IOUT=100mA IOUT=500mA IOUT=800mA IOUT=1000 mA Ta=25C, 30ms Pulse VIN=8V, TJ =25C TEST CONDITIONS VIN=5.3V,IOUT=10mA, TJ=25C VIN=4.75 to 10V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1.0A VIN=4.75 to 15V, IOUT=0mA VIN=4.75V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1000mA 1000 hrs, TJ =125C IOUT=100mA VIN15V LD1117 LD1117A B=10Hz to 10KHz, TJ =25C IOUT=40mA, f=120Hz, TJ =25C, VIN=6.3V, VRIPPLE=1Vpp IOUT=100mA IOUT=500mA IOUT=800mA IOUT=1000 mA Ta=25C, 30ms Pulse VIN=8.3V, TJ =25C 1% 2% 2% 4% MIN. 2.970 2.940 2.940 2.880 TYP. 3.000 3.000 3.000 3.000 1 1 0.5 0.3 5 MAX. 3.030 3.060 3.060 3.120 6 10 UNIT V V mV mV % % V mA mA 15 10 800 1000 100 60 75 1.00 1.15 1.20 1.20 0.01 MIN. 3.267 3.235 3.235 3.160 TYP. 3.300 3.300 3.300 3.300 1 1 0.5 0.3 5 800 1000 100 60 75 1.00 1.15 1.20 1.20 0.01 1.10 1.25 1.30 1.30 0.10 15 10 1.10 1.25 1.30 1.30 0.10 MAX. 3.333 3.365 3.365 3.440 6 10 V dB V V V V %/W UNIT V V mV mV % % V mA mA V dB V V V V %/W Dropout Voltage Thermal Regulation For LD1117/A-3.3 PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Current Limit Output Noise Voltage Supply Voltage Rejection VD SYMBOL VOUT VOUT VOUT VOUT VOUT VOUT VIN IQ ILIMIT eN SVR 1% 2% 2% 4% Dropout Voltage Thermal Regulation VD UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 of 12 QW-R102-006,Q LD1117/A ELECTRICAL CHARACTERISTICS(Cont.) For LD1117/A-3.6 PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Current Limit Output Noise Voltage Supply Voltage Rejection SYMBOL VOUT VOUT VOUT VOUT VOUT VOUT VIN IQ ILIMIT eN SVR LINEAR INTEGRATED CIRCUIT TEST CONDITIONS VIN=5.6V, IOUT=10mA, TJ =25C VIN=5 to 10V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1.0A VIN=5 to 15V, IOUT=0mA VIN=5V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1000mA 1000 hrs, TJ =125C IOUT=100mA VIN15V LD1117 LD1117A B=10Hz to 10KHz, TJ =25C IOUT=40mA, f=120Hz, TJ =25C, VIN=6.6V, VRIPPLE=1Vpp IOUT=100mA IOUT=500mA IOUT=800mA IOUT=1000 mA Ta=25C, 30ms Pulse VIN=8.6V, Tj=25C TEST CONDITIONS VIN=7V,IOUT=10mA, TJ =25C VIN=6.5 to 15V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1.0A VIN=6.5 to 15V, IOUT=0mA VIN=6.5V LD1117 : IOUT=0 ~ 800mA LD1117A : IOUT=0 ~ 1000mA 1000 hrs, TJ =125C IOUT=100mA VIN15V LD1117 LD1117A B=10Hz to 10KHz, TJ =25C IOUT=40mA, f=120Hz, TJ =25C, VIN=8V, VRIPPLE=1Vpp IOUT=100mA IOUT=500mA IOUT=800mA IOUT=1000 mA Ta=25C, 30ms Pulse VIN=10V, TJ =25C 1% 2% 2% 4% MIN. 3.564 3.528 TYP. 3.600 3.600 1 1 0.5 0.3 5 MAX. 3.636 3.672 6 10 UNIT V V mV mV % % V mA mA 15 10 800 1000 100 60 75 1.00 1.15 1.20 1.20 0.01 MIN. 4.950 4.900 4.900 4.800 TYP. 5.000 5.000 5.000 5.000 1 1 0.5 0.3 5 800 1000 100 60 75 1.00 1.15 1.20 1.20 0.01 1.10 1.25 1.30 1.30 0.10 15 10 1.10 1.25 1.30 1.30 0.10 MAX. 5.050 5.100 5.100 5.200 6 10 V dB V V V V %/W UNIT V V mV mV % % V mA mA V dB V V V V %/W Dropout Voltage Thermal Regulation For LD1117/A-5.0 PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Current Limit Output Noise Voltage Supply Voltage Rejection VD SYMBOL VOUT VOUT VOUT VOUT VOUT VOUT VIN IQ ILIMIT eN SVR Dropout Voltage Thermal Regulation VD UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 8 of 12 QW-R102-006,Q LD1117/A ELECTRICAL CHARACTERISTICS(Cont.) For LD1117/A-ADJUSTABLE PARAMETER Reference Voltage LINEAR INTEGRATED CIRCUIT SYMBOL TEST CONDITIONS VREF VIN-VOUT=2V, IOUT=10mA, TJ =25C VIN-VOUT=1.4 to 10V Reference Voltage VREF LD1117 : IOUT=10 ~ 800mA LD1117A : IOUT=10 ~ 1000mA Line Regulation VOUT VIN-VOUT=1.5 to 13.75V, IOUT=10mA VIN-VOUT=3V Load Regulation VOUT LD1117 : IOUT=10 ~ 800mA LD1117A : IOUT=10 ~ 1000mA Temperature stability VOUT Long Term Stability VOUT 1000 hrs, TJ =125C Operating Input Voltage VIN Adjustment Pin Current IADJ VIN15V VIN-VOUT=1.4 to 10V, Adjustment Pin Current Change IADJ LD1117 : IOUT=10 ~ 800mA LD1117A : IOUT=10 ~ 1000mA Minimum Load Current IO(MIN) VIN=15V LD1117 Current Limit ILIMIT VIN-VOUT=5V, TJ =25C LD1117A Output Noise (%Vo) eN B=10Hz to 10KHz, TJ =25C IOUT=40mA, f=120Hz, TJ =25C, Supply Voltage Rejection SVR VIN-VOUT=3V, Vripple=1Vpp IOUT=100mA IOUT=500mA Dropout Voltage VD IOUT=800mA IOUT=1000mA Thermal Regulation Ta=25C, 30ms Pulse MIN 1.238 1.225 TYP 1.25 MAX 1.262 1.275 UNIT V V % % % % V A A mA mA 0.035 0.10 0.50 0.3 60 1 2 800 1000 0.003 60 75 1.00 1.15 1.20 1.20 0.01 0.200 0.400 15 120 5 5 % dB 1.10 1.25 1.30 1.30 0.10 V V V V %/W THERMAL DATA PARAMETER SOT-223 SOP-8 Thermal Resistance Junction-Case TO-252 TO-220 TO-263 SOT-223 SOP-8 TO-252 TO-220 TO-263 JC SYMBOL RATINGS 15 20 12 4 4 165 150 112 54 64 C/W UNIT Thermal Resistance Junction-Ambient JA C/W UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 9 of 12 QW-R102-006,Q LD1117/A TYPICAL APPLICATIONS LINEAR INTEGRATED CIRCUIT UTC LD1117/A-5.0V VIN + 10F Floating Input FIG.1 Negative Supply IN GND OUT + 100F VOUT = -5V 110 110 UTC LD1117/A2.85V IN + 4.75V to 5.25V 10F GND + 22F 110 110 18-27 Lines FIG.2 Active Terminator for SCSI-2 BUS FIG.3 Circuit for Increasing Output Voltage UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 10 of 12 QW-R102-006,Q LD1117/A APPLICATION NOTE of LD1117/A ADJUSTABLE LINEAR INTEGRATED CIRCUIT The LD1117/A ADJUSTABLE has a reference voltage of between the OUT and ADJ pins. IADJ is 60A typ. (120A max.) and IADJ is 1A typ. (5A max.). R1 is normally fixed to 120. From figure 4 we obtain: VOUT=VREF+R2(IADJ + IR1)=VREF + R2(IADJ + VREF / R1)=VREF(1+R2/R1) + R2 x IADJ. Usually R2 value is in the range of few K, so the R2 X IADJ product could be neglected; then the above expression becomes: VOUT=VREF(1+R2/R1) For better load regulation, realize a good Kelvin connection of R1 and R2 is important. Particularly R1 connection must be realized very close to OUT and ADJ pin, while R2 ground connection must be placed as near as possible to the negative Load pin. Ripple rejection can be improved by introducing a 10F electrolytic capacitor placed in parallel to the R2 resistor (See Fig. 5) UTC LD1117/A VIN 10F + IN ADJ R1 120 VREF OUT + 10F VOUT R2 FIG.4 Adjustable Output Voltage Application Circuit FIG.5 Adjustable Output Voltage Application with improved Ripple Rejection. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 11 of 12 QW-R102-006,Q LD1117/A TYPICAL PERFORMANCE CHARACTERISTICS LINEAR INTEGRATED CIRCUIT Reference Voltage (V) 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-R102-006,Q Power (W) Output Voltage(V) |
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