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| Semiconductor S1117API/S1117-xxPI Adjustable and Fixed LDO Voltage Regulator Descriptions The S1117 series of positive adjustable and fixed regulators are designed to provide 1A with high efficiency. All internal circuitry is designed to operate down to 1.3V input to output differential. On-chip trimming adjusts reference voltage to 2%. Features * Adjustable or Fixed output * Output Current of 1A * Low Dropout, 1.3V maximum at 1A Output Current * Thermal Shutdown Protection * Fast Transient Response Ordering Information Type NO. S1117API/S1117xxPI Marking S1117PI/ S1117PI Package Code TO-220F :Voltage Code (Aj : 1.25V, 15:1.5V,:18: 1.8V, 25:2.5V, 33:3.3V, 50:5.0V) :Voltage Code (285:2.85V) Outline Dimensions (Unit : mm ) BLOCK DIAGRAM PIN Connections 1. GND/Adj 2. Output voltage 3. Input voltage KSI-2068-002 1 S1117API/S1117-xxPI Absolute Maximum Ratings Characteristic Input voltage Power Dissipation Junction Temperature Storage Temperature Range Ta=25C Symbol VI PD TJ Tstg Rating 16 2.0 150 -55 ~ 150 Unit V W C C Device Selection Guide (NOTE1) Device S1117API S1117-15PI S1117-18PI S1117-25PI S1117-285PI S1117-33PI S1117-50PI Note 1 : Other fixed versions are available VO=1.5V to 5V Output Voltage Adjustable 1.5V 1.8V 2.5V 2.85V 3.3V 5.0V KSI-2068-002 2 S1117API/S1117-xxPI Electrical Characteristics (Electrical Characteristics at TJ = 25 and VI=(VO+1.5V), IL=10 , CO=10 unless otherwise specified.) Characteristic Symbol Device S1117A S111715 S111718 Test Condition VI = (VO+1.5V),IO = 10 VI = (VO+1.5V) to 7V IO = 0 to 1000 VI = (VO+1.5V),IO = 10 VI = (VO+1.5V) to 7V IO = 0 to 1000 VI = (VO+1.5V),IO = 10 VI = (VO+1.5V) to 7V IO = 0 to 1000 VI = (VO+1.5V),IO = 10 VI = (VO+1.5V) to 7V IO = 0 to 1000 VI = (VO+1.5V),IO = 10 VI = (VO+1.5V) to 7V IO = 0 to 1000 VI = (VO+1.5V),IO = 10 VI = (VO+1.5V) to 7V IO = 0 to 1000 VI = (VO+1.5V),IO = 10 VI = (VO+1.5V) to 7V IO = 0 to 1000 1.5V VI-VO7V IO=10 VI=(VO+1.5V) IO=10 ~ 1000 VI= VO + 1.5V VADJ=0V VI=(VO+1.5V), VO=0V VI = (VO+1.5V) to 7V IO = 10 IO =1000 VI-VO=1.5V, IO=1000 VRipple=1VP-P , f=120 (VI-VO)=1.5V * * Min 1.225 1.200 1.470 * 1.440 1.764 * 1.728 2.450 * 2.400 2.793 * 2.736 3.234 * 3.168 4.900 * 4.800 * * * * 60 1 - Typ 1.25 Max 1.275 1.300 1.530 Unit 1.5 1.560 1.836 1.8 1.872 2.550 V Output Voltage VO S111725 S1117285 S111733 S111750 2.5 2.600 2.907 2.85 3.3 2.964 3.366 3.432 5.0 5.100 5.200 Line Regulation (Note2) Load Regulation (Note2) Quiescent Current Minimum Load Current Adjust Pin Current Dropout Voltage (Note4) Ripple Rejection (Note3) Current Limit VO(VI) VO(IL) IQC IL(MIN) IADJ VDROP RR ILIMIT All All All S1117A S1117A All All All 5 10 7 3 55 1.2 72 10 30 13 7 90 1.3 - V A The * denotes the specifications which apply over the full temperature range. Note 2: Low duty pulse testing with Kelvin connections required. Note 3: 120 input ripple (CADJ for ADJ=25 ) Note 4: VO = 1% KSI-2068-002 3 S1117API/S1117-xxPI Typical Applications VI S1117A VO (Fixed Version) Adj/GND CI 10 CO 10 RL Fig. 1 Fixed Voltage Regulator VI (Fixed Version) S1117-xx Adj Vout=3.5V VO CI 10 IADJ R1 125 (1) R2 225 (1) CO 10 VO=VADJ * (1 + R2/R1) + IADJ*R2 Fig. 2 Adjustable Voltage Regulator Notes: 1) CI needed if device is far from filter capacitors 2) CO minimum value required for stability KSI-2068-002 4 S1117API/S1117-xxPI Electrical Characteristic Curves Fig. 3 VDROP vs. IO Fig. 4 VO vs. Ta Fig. 5 RR vs. Frequency Fig. 6 Temperature Stability Fig. 7 IADJ vs. Ta Fig. 8 PD vs. Ta KSI-2068-002 5 S1117API/S1117-xxPI These AUK Corp. products are intended for usage in general electronic equipment (Office and communication equipment, measuring equipment, domestic electrification, etc.) Please make sure that you consult with us before you use these AUK products in equipm- ents which require high quality and/or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, traffic signal, combustion central, all types of safety device, etc.) AUK cannot accept liability to any damage which may occur in case these AUK products were used in the mentioned equipments without prior consultation KSI-2068-002 6 |
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