LRC LESHAN RADIO COMPANY,LTD. LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS DESCRIPTION The LRC LR1117/A is a LOW DROP Voltage Regulator able to provide up to 0.8/1.0A of Output Current, available even in adjustable version (Vref=1.25V). Concerning fixed versions, are offered the following Output Voltages: 1.5V, 1.8V, 2.5V, 2.85V, 3.0V, 3.3V, 3.6V and 5.0V. The 2.85V type is ideal for SCSI-2 lines active termination. High efficiency is assured by NPN pass transistor. In fact in the case, unlike than PNP one, the Quiescent Current flows mostly into the for stability. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ±1% at 25°C. The ADJUSTABLE LR1117/A is pin to pin compatible with the other standard Adjustable voltage regulators maintaining the better performances in terms of Drop and Tolerance. 1 23 TO-220 2 32 1 1 3 TO-252 SOT-223 FEATURES *Low dropout voltage (1V Typ.) *2.85V device performances are suitable for SCSI-2 active termination *Output current up to 0.8/1.0A *Fixed output voltage of: 1.5V, 1.8V, 2.5V, 2,85V, 3.0V, 3.3V, *3.6V, 5.0V *Adjustable version availability (Vref=1.25V) *Internal current and thermal limit *Available in ±1%(at 25°C) and 2% in all temperature range *Supply voltage rejection: 75dB (TYP) *Temperature range: 0°C to 125°C 1: GND 2: Output 3: Input ABSOLUTE MAXIMUM RATINGS PARAMETER DC Input Voltage Power Dissipation Storage temperature Operating Junction Temperature Thermal Resistance Junction ambien SYMBOL VALUE UNIT VIN Ptot Tstg Top 15 12 -65 ~ +150 0 ~ +125 V W qC qC Rthj-amb 50 °C/W Note: Absolute Maximum Ratings are those value beyond which damage to the device may occur. Functional operation under there condition is not implied. Over the above suggested Max Power Dissipation a Short Circuit could definitively damage the device. 1/10 LRC LESHAN RADIO COMPANY,LTD. LR1117/A-1.5 ELECTRICAL CHARACTERISTICS (refer to the test circuits, Tj=0 to 125qC, Co=10PF unless otherwise specified) PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Output Current Output Noise Voltage Supply Voltage Rejection Dropout Voltage SYMBOL Vo Vo 'Vo 'Vo 'Vo 'Vo Vin Id Io eN SVR Vd Thermal Regulation TEST CONDITIONS Vin=3.5V, Io=10mA, Tj=25qC Io=0 to 800/1000mA, Vin=3 to 8V Vin=3 to 8V, Io=0mA Vin=3V, Io=0 to 800/1000mA 1000 hrs, Tj=125qC Io=100mA Vind10V Vin=6.5V, Tj=25qC B=10Hz to 10KHz, Tj=25qC Io=40mA, f=120Hz, Tj=25qC, Vin=4.5V, Vripple=1Vpp Io=100mA Io=500mA Io=800mA Io=1000 mA Ta=25qC, 30ms Pulse MIN. TYP. MAX. UNIT 1.485 1.470 1.500 1.500 1.515 1.530 VV V 1 1 0.5 0.3 6 10 mV mV % % V mA mA PV dB 800 60 5 950 100 75 15 10 1200 1.00 1.05 1.10 1.15 0.01 1.10 1.15 1.20 1.25 0.10 V V V V %/W MIN. TYP. MAX. UNIT 1.780 1.760 1.800 1.820 1.840 6 10 V V mV mV % % V mA mA PV dB LR1117/A-1.8 ELECTRICAL CHARACTERISTICS (refer to the test circuits, Tj=0 to 125qC, Co=10PF unless otherwise specified) PARAMETER SYMBOL Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Output Current Output Noise Voltage Supply Voltage Rejection Dropout Voltage Vo Vo 'Vo 'Vo 'Vo 'Vo Vin Id Io eN SVR Thermal Regulation Vd TEST CONDITIONS Vin=3.8V, Io=10mA, Tj=25qC Io=0 to 800/1000mA, Vin=3.3 to 8V Vin=3.3 to 8V, Io=0mA Vin=3.3V, Io=0 to 800/1000mA 1000 hrs, Tj=125qC Io=100mA Vind8V Vin=6.8V, Tj=25qC B=10Hz to 10KHz, Tj=25qC Io=40mA, f=120Hz, Tj=25qC, Vin=5.5V, Vripple=1Vpp Io=100mA Io=500mA Io=800mA Io=1000mA Ta=25qC, 30ms Pulse 1 1 0.5 0.3 800 60 5 950 100 75 1.00 1.05 1.10 1.15 0.01 10 10 1200 1.10 1.15 1.20 1.25 0.10 V V V V %/W 2/10 LRC LESHAN RADIO COMPANY,LTD. LR1117/A-2.5 ELECTRICAL CHARACTERISTICS (refer to the test circuits, Tj=0 to 125qC, Co=10PF unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS Output Voltage Vo Vin=4.5V, Io=10mA, Tj=25qC Output Voltage Vo Io=0 to 800/1000mA, Vin=3.9 to 10V Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Output Current Output Noise Voltage Supply Voltage Rejection Dropout Voltage 'Vo 'Vo 'Vo 'Vo Vin Id Io eN SVR Vd Thermal Regulation f1% f% f% f% MIN. TYP. MAX. UNIT 2.475 2.450 2.450 2.400 2.500 2.500 2.525 2.550 2.550 2.600 6 10 V V V V mV mV % % V mA mA PV dB Vin=3.9 to 10V, Io=0mA Vin=3.9V, Io=0 to 800/1000mA 1000 hrs, Tj=125qC Io=100mA Vind10V Vin=7.5V, Tj=25qC B=10Hz to 10KHz, Tj=25qC Io=40mA, f=120Hz, Tj=25qC, Vin=5.5V, Vripple=1Vpp Io=100mA Io=500mA Io=800mA Io=1000mA Ta=25qC, 30ms Pulse 1 1 0.5 0.3 800 60 5 950 100 75 15 10 1200 1.00 1.05 1.10 1.15 0.01 1.10 1.15 1.20 1.25 0.10 V V V V %/W MIN. TYP. MAX. UNIT 2.82 2.79 2.85 2.88 2.91 6 10 V V mV mV % % V mA mA PV DB LR1117/A-2.85 ELECTRICAL CHARACTERISTICS (refer to the test circuits, Tj=0 to 125qC, Co=10PF unless otherwise specified) PARAMETER SYMBOL Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Output Current Output Noise Voltage Supply Voltage Rejection Dropout Voltage Vo Vo 'Vo 'Vo 'Vo 'Vo Vin Id Io eN SVR Thermal Regulation Vd TEST CONDITIONS Vin=4.85V, Io=10mA, Tj=25qC Io=0 to 800/1000mA,Vin=4.25 to 10V Vin=4.25 to 10V, Io=0mA Vin=4.25V, Io=0 to 800/1000mA 1000 hrs, Tj=125qC Io=100mA Vind10V Vin=7.85V, Tj=25qC B=10Hz to 10KHz, Tj=25qC Io=40mA, f=120Hz, Tj=25qC, Vin=5.85V, Vripple=1Vpp Io=100mA Io=500mA Io=800mA Io=1000mA Ta=25qC, 30ms Pulse 1 1 0.5 0.3 800 60 5 950 100 75 1.00 1.05 1.10 1.15 0.01 15 10 1200 1.10 1.15 1.20 1.25 0.10 V V V V %/W 3/10 LRC LESHAN RADIO COMPANY,LTD. LR1117/A-3.0 ELECTRICAL CHARACTERISTICS (refer to the test circuits, Tj=0 to 125qC, Co=10PF unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS Output Voltage Vo Vin=5V, Io=10mA, Tj=25qC Output Voltage Vo Io=0 to 800/1000mA, Vin=4.5 to 10V Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Output Current Output Noise Voltage Supply Voltage Rejection Dropout Voltage 'Vo 'Vo 'Vo 'Vo Vin Id Io eN SVR Vd Thermal Regulation f1% f% f% f% MIN. TYP. MAX. UNIT 2.97 2.94 2.94 2.88 3.00 3.00 3.03 3.06 3.06 3.12 6 10 V V V V mV mV % % V mA mA PV dB Vin=4.5 to 12V, Io=0mA Vin=4.5V, Io=0 to 800/1000mA 1000 hrs, Tj=125qC Io=100mA Vind12V Vin=8V, Tj=25qC B=10Hz to 10KHz, Tj=25qC Io=40mA, f=120Hz, Tj=25qC, Vin=6V, Vripple=1Vpp Io=100mA Io=500mA Io=800mA Io=1000mA Ta=25qC, 30ms Pulse 1 1 0.5 0.3 800 60 5 950 100 75 15 10 1200 1.00 1.05 1.10 1.15 0.01 1.10 1.15 1.20 1.25 0.10 V V V V %/W MIN. TYP. MAX. UNIT 3.267 3.235 3.235 3.160 3.300 3.300 3.333 3.365 3.365 3.440 6 10 V V V V mV mV % % V mA mA PV DB LR1117/A-3.3 ELECTRICAL CHARACTERISTICS (refer to the test circuits, Tj=0 to 125qC, Co=10PF unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS Output Voltage Vo Vin=5.3V, Io=10mA, Tj=25qC Output Voltage Vo Io=0 to 800/1000mA, Vin=4.75 to 10V Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Output Current Output Noise Voltage Supply Voltage Rejection Dropout Voltage Thermal Regulation 'Vo 'Vo 'Vo 'Vo Vin Id Io eN SVR Vd f1% f% f% f% Vin=4.75 to 15V, Io=0mA Vin=4.75V, Io=0 to 800/1000mA 1000 hrs, Tj=125qC Io=100mA Vind15V Vin=8.3V, Tj=25qC B=10Hz to 10KHz, Tj=25qC Io=40mA, f=120Hz, Tj=25qC, Vin=6.3V, Vripple=1Vpp Io=100mA Io=500mA Io=800mA Io=1000mA Ta=25qC, 30ms Pulse 1 1 0.5 0.3 800 60 5 950 100 75 1.00 1.05 1.10 1.15 0.01 15 10 1200 1.10 1.15 1.20 1.25 0.10 V V V V %/W 4/10 LRC LESHAN RADIO COMPANY,LTD. LR1117/A-3.6 ELECTRICAL CHARACTERISTICS (refer to the test circuits, Tj=0 to 125qC, Co=10PF unless otherwise specified) PARAMETER Output Voltage Output Voltage Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Output Current Output Noise Voltage Supply Voltage Rejection Dropout Voltage SYMBOL Vo Vo 'Vo 'Vo 'Vo 'Vo Vin Id Io eN SVR Vd Thermal Regulation TEST CONDITIONS Vin=5.6V, Io=10mA, Tj=25qC Io=0 to 800/1000mA, Vin=5 to 10V Vin=5 to 15V, Io=0mA Vin=5V, Io=0 to 800/1000mA 1000 hrs, Tj=125qC Io=100mA Vind15V Vin=8.6V, Tj=25qC B=10Hz to 10KHz, Tj=25qC Io=40mA, f=120Hz, Tj=25qC, Vin=6.6V, Vripple=1Vpp Io=100mA Io=500mA Io=800mA Io=1000mA Ta=25qC, 30ms Pulse MIN. TYP. MAX. UNIT 3.564 3.528 3.600 3.600 3.636 3.672 V V 1 1 0.5 0.3 6 10 mV mV % % V mA mA PV DB 800 60 5 950 100 75 1.00 1.05 1.10 1.15 0.01 15 10 1200 1.10 1.15 1.20 1.25 0.10 V V V V %/W LR1117/A-5.0 ELECTRICAL CHARACTERISTICS (refer to the test circuits, Tj=0 to 125qC, Co=10PF unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS Output Voltage Vo Vin=7V, Io=10mA, Tj=25qC Output Voltage Vo Io=0 to 800/1000mA, Vin=6.5 to 15V Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Quiescent Current Output Current Output Noise Voltage Supply Voltage Rejection Dropout Voltage Thermal Regulation 'Vo 'Vo 'Vo 'Vo Vin Id Io eN SVR Vd f1% f% f% f% MIN. TYP. MAX. UNIT 4.95 4.90 4.90 4.80 5.00 5.00 5.05 5.10 5.10 5.20 10 15 V V V V mV mV % % V mA mA PV dB Vin=6.5 to 15V, Io=0mA Vin=6.5V, Io=0 to 800/1000mA 1000 hrs, Tj=125qC Io=100mA Vind15V Vin=10V, Tj=25qC B=10Hz to 10KHz, Tj=25qC Io=40mA, f=120Hz, Tj=25qC, Vin=8V, Vripple=1Vpp Io=100mA Io=500mA Io=800mA Io=1000mA Ta=25qC, 30ms Pulse 1 1 0.5 0.3 800 60 5 950 100 75 1.00 1.05 1.10 1.15 0.01 15 10 1200 1.10 1.15 1.20 1.25 0.10 V V V V %/W 5/10 LRC LESHAN RADIO COMPANY,LTD. LR1117/A-ADJUSTABLE ELECTRICAL CHARACTERISTICS (refer to the test circuits, Tj=0 to 125qC, Co=10PF unless otherwise specified) PARAMETER SYMBOL Reference Voltage Reference Voltage Vref Vref Line Regulation Load Regulation Temperature stability Long Term Stability Operating Input Voltage Adjustment Pin Current Adjustment Pin Current Change Minimum Load Current Output Current Output Noise (%Vo) Supply Voltage Rejection Dropout Voltage 'Vo 'Vo 'Vo 'Vo Vin Iadj 'Iadj TEST CONDITIONS Vin-VO=2V, Io=10mA, Tj=25qC Io=10 to 800/1000mA, Vin-Vo=1.4 to 10V Vin-Vo=1.5 to 13.75V, Io=10mA Vin-Vo=3V, Io=10 to 800/1000mA MIN. TYP. MAX. UNIT 1.238 1.225 1.25 1.262 1.275 V V 0.035 0.10 0.50 0.3 0.200 0.400 % % % % V PA PA 1000 hrs, Tj=125qC Io(min) Io eN SVR Vd Thermal Regulation Vind15V Vin-Vo=1.4 to 10V, Io=10 to 800/1000mA Vin=15V Vin-Vo=5V, Tj=25qC B=10Hz to 10KHz, Tj=25qC Io=40mA, f=120Hz, Tj=25qC, Vin-Vo=3V, Vripple=1Vpp Io=100mA Io=500mA Io=800mA Io=1000mA Ta=25qC, 30ms Pulse 60 1 800 60 15 120 5 2 950 0.003 75 5 1200 mA mA % dB 1.00 1.05 1.10 1.15 0.01 1.10 1.15 1.20 1.25 0.10 V V V V %/W TYPICAL APPLICATIONS Input 3 LR1117 2 Output + 10 mF + 10 mF 1 Input 3 10 mF + LR1117 2 Output + 10 1 mF Fig 2. Adjustable Output Regulator Fig 1. Fixed Output Regulator 110 W 3 10 mF 4.75 V to 5.25 V LR1117 + 110 W 2 + 22 1 mF + 110 W 18 to 27 Lines 110 W Fig 3. Active SCSI Bus Terminator 6/10 LRC LESHAN RADIO COMPANY,LTD. LR1117/A ADJUSTABLE APPLICATION NOTE The LR1117/A ADJUSTABLE has a thermal stabilized 1.25r0.012V reference voltage between the OUT and ADJ pins. IADJ is 60PA typ. (120PA max.) and 'IADJ is 1PA typ. (5PA max.). R1 is normally fixed to 120:. From figure 7 we obtain: VOUT=VREF+R2(IADJ + IR1)=VREF + R2(IADJ + VREF / R1)=VREF(1+R2/R1) + R2 x IADJ. In normal application R2 value is in the range of few Kohm,, so the R2 X IADJ product could not be considered in the VOUT calculation; then the above expression becomes: VOUT=VREF(1+R2/R1) In order to have the better load regulation it is important to realize a good Kelvin connection of R1 and R2 resistors. In particular 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 10PF electrolytic capacitor placed in parallel to the R2 resistor (See Fig. 6) VIN 3 IN LR1117/A OUT VOUT=1.25V 2 ADJ 10UF 10UF 1 R1 120 FIG.4 Adjustable Output 1.25 Voltage Application Circuit VIN 3 IN LR1117/A OUT VOUT 2 ADJ 10UF 10UF 1 R1 120 VREF R2 FIG.5 Adjustable Output Voltage Application Circuit VIN 10UF 3 IN LR1117/A OUT VOUT 2 ADJ 10UF 1 R1 120 R2 VREF 10UF FIG.6 Adjustable Output Voltage Application with improved Ripple Rejection. 7/10 LRC LESHAN RADIO COMPANY,LTD. TO-220-3L PACKAGE OUTLINE DIMENSIONS A D C1 E E1 F ¶ L1 b1 A1 L b e C e1 Dimensions In Millimeters Symbol Dimensions In Inches Min Max Min Max A 4.470 4.670 1.176 0.184 A1 2.520 2.820 0.099 0.111 b 0.710 0.910 0.028 0.036 b1 1.170 1.370 0.046 0.054 c 0.310 0.530 0.012 0.021 c1 1.710 1.370 0.046 0.054 D 10.010 10.310 0.394 0.406 E 8.500 8.900 0.335 0.350 E1 12.060 12.460 0.475 0.491 e1 4.980 5.180 0.196 0.204 F 2.590 2.890 0.102 0.114 L 13.400 13.800 0.528 0.543 L1 3.560 3.960 0.140 0.156 ¶ 3.790 3.890 0.149 0.153 e 0.100TYP 2.540TYP 8/10 LRC LESHAN RADIO COMPANY,LTD. TO-252-2 PACKAGE OUTLINE DIMENSIONS Symbol A A1 B b b1 c c1 D D1 E e e1 L1 L2 L3 L4 V Dimensions In Millimeters Min Max 2.200 2.400 0.000 0.127 1.350 1.650 0.500 0.700 0.700 0.900 0.430 0.580 0.430 0.580 6.350 6.650 5.200 5.400 5.400 5.700 2.300TYP 4.500 4.700 9.500 9.900 1.400 1.780 0.650 0.950 2.550 2.900 3.80REF Dimensions In Inches Min Max 0.087 0.094 0.000 0.005 0.053 0.065 0.020 0.028 0.028 0.035 0.017 0.023 0.017 0.023 0.250 0.262 0.205 0.213 0.213 0.224 0.091TYP 0.177 0.185 0.374 0.390 0.055 0.070 0.026 0.037 0.100 0.114 0.150REF 9/10 LRC LESHAN RADIO COMPANY,LTD. SOT-223 PACKAGE OUTLINE DIMENSIONS Symbol A A1 A2 b c D D1 E E1 e e1 L L1 © Dimensions In Millimeters Min Max 1.520 1.800 0.020 0.100 1.500 1.700 0.610 0.810 0.250 0.350 6.300 6.700 2.900 3.100 3.300 3.700 6.700 7.300 2.300TYP 4.500 4.700 1.750TYP 0.900 0° 10° Dimensions In Inches Min Max 0.060 0.071 0.001 0.004 0.059 0.067 0.024 0.032 0.010 0.014 0.248 0.264 0.114 0.122 0.130 0.146 0.264 0.287 0.091TYP 0.177 0.185 0.069TYP 0.035 0° 10° 10/10