S1117AQ AUK | Alldatasheet

Document overview

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Technical content

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. Marking Package Code S1117AQ/S1117xxQ S1117 □□Q/S1117□□□Q SOT-223 □□□:Voltage Code (285:2.85V) SSeemmiiccoonndduuccttoorr PIN Connections 1. GND/ADJ 2,4. Output voltage 3. Input voltage Outline Dimensions (Unit : mm ) BLOCK DIAGRAM

Absolute Maximum Ratings Ta=25°C Characteristic Symbol Rating Unit Input Voltage V I 16 V PD1 (Note1) 1.5 Power Dissipation PD2 (Note2) 0.8 W Junction Temperature T J 150 °C Storage Temperature Range T stg -55 ~ 150 °C Note 1 : Mounted on a glass epoxy circuit board of 25.4 x 25.4mm. (at 1oz copper area) Note 2 : No Heat sink Device Selection Guide (NOTE3) Device Output Voltage S1117AQ Adjustable S1117-15Q 1.5V S1117-18Q 1.8V S1117-25Q 2.5V S1117-285Q 2.85V S1117-33Q 3.3V S1117-50Q 5.0V Note 3 : Other fixed versions are available Vo=1.5V to 5V

Electrical Characteristics

(Electrical Characteristics at TJ = 25℃ and VI=(VO+1.5V), IL=10 ㎃, CO=10 ㎌ unless otherwise specified.) Characteristic Symbol Device Test Condition Min Typ Max Unit S1117A VI = (VO+1.5V) to 7V IO = 0 to 1000 ㎃ * 1.200 1.25 1.300 15 VI = (VO+1.5V) to 7V IO = 0 to 1000 ㎃ * 1.440 1.5 1.560 18 VI = (VO+1.5V) to 7V IO = 0 to 1000 ㎃ * 1.728 1.8 1.872 25 VI = (VO+1.5V) to 7V IO = 0 to 1000 ㎃ * 2.400 2.5 2.600 285 VI = (VO+1.5V) to 7V IO = 0 to 1000 ㎃ * 2.736 2.85 2.964 33 VI = (VO+1.5V) to 7V IO = 0 to 1000 ㎃ * 3.168 3.432 Output Voltage V O S1117- 50 VI = (VO+1.5V) to 7V IO = 0 to 1000 ㎃ * 4.800 5.200 V Line Regulation (Note4) △VO(△VI) All 1.5V≤ VI-VO≤7V IO=10 ㎃ - 5 10 ㎷ Load Regulation (Note4) △VO(△IL) All VI=(VO+1.5V) IO=10 ㎃ ~ 1000 ㎃ - 10 30 ㎷ Quiescent Current IQC All VI= VO + 1.5V VADJ=0V * - 7 13 ㎃ Minimum Load Current IL(MIN) S1117A V I=(VO+1.5V), VO=0V * 3 7 ㎃ Adjust Pin Current IADJ S1117A VI = (VO+1.5V) to 7V IO = 10 ㎃ * 55 90 ㎂ Dropout Voltage (Note6) VDROP All IO =1000 ㎃ * - 1.2 1.3 V Ripple Rejection (Note5) RR All VI-VO=1.5V, IO=1000 ㎃ VRipple=1VP-P , f=120 ㎐ 60 72 - Current Limit I LIMIT All (V I-VO)=1.5V * 1 A The * denotes the specifications which apply over the full temperature range. Note 4: Low duty pulse testing with Kelvin connections required. Note 5: 120 ㎐ input ripple (CADJ for ADJ=25 ㎌) Note 6: V△ O = 1%

■ Typical Applications C V R S1117A 10㎌ 10㎌ O (Fixed Version) Adj/GND OI L I V C Fig. 1 Fixed V oltage Regulator 125Ω (1％) 225Ω (1％) C 10㎌ Adj Vout=3.5VS1117-xx 10㎌ O O C (Fixed Version)VI R V R VO=VADJ * (1 + R2/R1) + IADJ*R2 Fig. 2 Adjustable V oltage Regulator Notes: 1) C I needed if device is far from filter capacitors 2) Co minimum value required for stability IADJ

Electrical Characteristic Curves Fig. 3 VDROP vs. IOUT Fig. 4 ∆VOUT vs. Ta Fig. 5 RR vs. Frequency Fig. 6 Temperature Stability Fig. 7 IADJ vs. Ta Fig. 8 PD vs. Ta

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