S1117AD/S1117-xxD Semiconductor Adjustable and Fixed 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 Ordering Information Type NO. Marking Package Code S1117AD/S1117xxD S1117ٱٱD/ S1117ٱٱٱD D-PAK □□: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. 2,4 Output 3. Input KSD-I6O001-000 1 S1117AD/S1117-xxD Absolute Maximum Ratings [Ta=25°C] Characteristic Symbol Rating Unit VI 16 V PD1(Note1) 4.5 PD2(Note2) 1.5 Junction Temperature TJ 150 °C Operating temperature range Topr 0 ~ +125 ℃ Storage temperature range Tstg -55 ~ +150 °C Input voltage Power Dissipation W Note 1 : Mounted on a glass epoxy circuit board of 50.8 × 50.8mm. (at 1oz copper area) Note 2 : No Heat sink Recommended operating conditions Characteristic Symbol Min. Max. Unit Input voltage VI VO+1.5V VO+7V V Output current IO 1 1000 mA Device Selection Guide Device Output Voltage S1117AD Adjustable S1117-15D 1.50V S1117-18D 1.80V S1117-25D 2.50V S1117-285D 2.85V S1117-33D 3.30V S1117-50D 5.00V Note 3 : Other fixed versions are available VO=1.5V ~ 5V KSD-I6O001-000 2 S1117AD/S1117-xxD Electrical Characteristics (Electrical Characteristics at 0℃≤Ta≤125℃ and VI=(VO+1.5V), Io=10mA, CO=10µF, unless otherwise specified.) Characteristic Symbol Device Test Condition Min * S1117A VI = (VO+1.5V) to 7V IO = 0 to 1000mA VI = (VO+1.5V) to 7V IO = 0 to 1000mA S1117-18 VI = (VO+1.5V) to 7V IO = 0 to 1000mA * VO S1117-25 VI = (VO+1.5V) to 7V IO = 0 to 1000mA S1117-285 VI = (VO+1.5V) to 7V IO = 0 to 1000mA * * S1117-33 VI = (VO+1.5V) to 7V IO = 0 to 1000mA S1117-50 VI = (VO+1.5V) to 7V IO = 0 to 1000mA 1.5V≤ VI-VO≤7V IO=10mA 1.5V≤ VI-VO≤7V IO=10mA ~ 1000mA Dropout voltage Ripple ratio rejection Current limit 4.90 3.30 All │△VO(△IL) │ All IQC All I L(MIN) S1117A IADJ S1117A │∆IADJ│ S1117A VDROP All IO =1000mA * RR All IO=1000mA VRipple=1VP-P , f=120 ㎐ ILIMIT All IO≥1000mA 2.60 V 2.96 3.37 3.43 5.00 4.80 │△VO(△VI)│ 1.87 2.91 2.85 3.17 * Line regulation (Note4) Load regulation (Note4) Quiescent current Minimum load current Adjust pin current Adjust pin current change 3.23 1.56 2.55 2.50 2.79 2.74 1.30 1.84 1.80 2.45 2.40 Unit 1.53 1.50 1.76 1.73 Max 1.28 1.25 1.47 1.44 * Output voltage 1.23 1.20 * S1117-15 Typ 5.10 5.20 * - 5 10 mV * - 10 30 mV - 7 13 mA 3 7 mA 55 90 µA 1 5 µA - 1.2 1.3 V * 60 72 * 1.1 IO=0 VAdj=0V VI = (VO+1.5V) to 7V IO = 100mA 1.5V ≤ VI - VO ≤ 7V IO=10mA ~ 1000mA - dB A [ * ] Ta=25℃ Note 4: Low duty pulse testing with Kelvin connections required. KSD-I6O001-000 3 S1117AD/S1117-xxD ■ Typical Applications S1117-XX VI VO (Fixed Version) Adj/GND CI 10㎌ CO 10㎌ RL Fig. 1 Fixed Voltage Regulator VI S1117A Vo=3.5V (Adjustable Version) VO Adj CI 10㎌ IADJ R1 125Ω (1％) CO 10㎌ R2 225Ω (1％) Vo = VADJ × (1 + R2 ) + I ADJ × R 2 R1 Fig. 2 Adjustable Voltage Regulator Notes 5: 1) CI needed if device is far from filter capacitors 2) CO minimum value required for stability KSD-I6O001-000 4 S1117AD/S1117-xxD Electrical Characteristic Curves Fig.3 VDROP vs IO Fig.4 Vo vs Ta 1.20 Output Voltage Deviation [%] Dropout Voltage VDROP [V] 2.0 1.8 1.6 1.4 Ta=0°C 1.2 50°C 125°C 1.0 0.8 0.6 0.4 200 0 400 600 VI=VO+1.5V, IO=500mA 0.60 0.30 0.00 -0.3 -0.6 -0.9 -1.2 -25 1000 800 0.90 0 Output Current IO [mA] 25 Adjust Pin Current IAdj [µA] Minimum Load Current IL(MIN) [mA] 50℃ 3.0 2.6 Ta=125℃ 0℃ 1.8 1.4 2 1 150 3 4 5 7 6 8 VI=VO+1.5V, IO=100mA 80 75 70 65 60 55 45 40 1.0 0 125 85 3.4 2.2 100 Fig.6 IAdj vs Ta S1117A, VAdj=0 3.8 75 Ambient Temperature Ta [℃] Fig.5 IL(MIN) vs VI-VO 4.2 50 -25 0 25 50 75 100 125 150 Ambient Temperature Ta [℃] Input-Output Differential Voltage [V] Fig.7 PD vs Ta Power dissipation PD [W] 15 TC 12 9 6 Mounted on a glass epoxy circuit board of 50.8*50.8 mm (at 1oz copper area) 3 0 =2 5° C Ta=25℃ 0 25 50 75 100 125 150 Ambient Temperature Ta [˚C] KSD-I6O001-000 5 S1117AD/S1117-xxD The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments 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, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. KSD-I6O001-000 6