S1117-XXQ 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

Ordering Information

Type NO. Marking Package Code S1117AQ/S1117xxQ S1117ٱٱQ / S1117ٱٱٱQ SOT-223 □□□:V oltage Code (285:2.85V) Outline Dimensions (Unit : mm) SSeemmiiccoonndduuccttoorr PIN Connections 1. GND / Adj. 2,4 Output 3. Input BLOCK DIAGRAM

Absolute Maximum Ratings [Ta=25°C] Characteristic Symbol Rating Unit Input voltage V I 16 V PD1(Note1) 2.8 Power Dissipation PD2(Note2) 0.8 W Junction Temperature T J 150 °C Operating temperature range T opr 0 ~ +125 ℃ Storage temperature range T stg -55 ~ +150 °C Note 1 : Mounted on a glass epoxy circuit board of 25.4 × 25.4mm. (at 1oz copper area) Note 2 : No Heat sink Recommended operating conditions Characteristic Symbol Min. Max. Unit Input voltage V I V O+1.5V V O+7V V Output current I O 1 1000 mA Device Selection Guide Note 3 : Other fixed versions are available VO=1.5V ~ 5V Device Output Voltage S1117AQ Adjustable S1117-15Q 1.50V S1117-18Q 1.80V S1117-25Q 2.50V S1117-285Q 2.85V S1117-33Q 3.30V S1117-50Q 5.00V

Electrical Characteristics

(Electrical Characteristics at 0℃≤Ta≤125℃ and VI=(VO+1.5V), Io=10mA, CO=10µF, unless otherwise specified.) Characteristic Symbol Device Te st Condition Min Typ Max Unit * 1.23 1.28 S1117A VI = (VO+1.5V) to 7V IO = 0 to 1000mA 1.20 1.25 1.30 * 1.47 1.53 S1117-15 VI = (VO+1.5V) to 7V IO = 0 to 1000mA 1.44 1.50 1.56 * 1.76 1.84 S1117-18 VI = (VO+1.5V) to 7V IO = 0 to 1000mA 1.73 1.80 1.87 * 2.45 2.55 S1117-25 VI = (VO+1.5V) to 7V IO = 0 to 1000mA 2.40 2.50 2.60 * 2.79 2.91 S1117-285 VI = (VO+1.5V) to 7V IO = 0 to 1000mA 2.74 2.85 2.96 * 3.23 3.30 3.37 S1117-33 VI = (VO+1.5V) to 7V IO = 0 to 1000mA 3.17 3.43 * 4.90 5.00 5.10 Output voltage V O S1117-50 VI = (VO+1.5V) to 7V IO = 0 to 1000mA 4.80 5.20 V Line regulation (Note4) │ V△ O(△VI)│ All 1.5V≤ VI-VO≤7V IO=10mA * - 5 10 mV Load regulation (Note4) │ V△ O(△IL) │ All 1.5V≤ VI-VO≤7V IO=10mA ~ 1000mA * - 10 30 mV Quiescent current IQC All I O=0 - 7 13 mA Minimum load current I L(MIN) S1117A V Adj=0V 3 7 mA Adjust pin current IADJ S1117A VI = (VO+1.5V) to 7V IO = 100mA 55 90 µA Adjust pin current change │∆IADJ│ S1117A 1.5V ≤ VI - VO ≤ 7V IO=10mA ~ 1000mA 1 5 µA Dropout voltage V DROP All I O =1000mA * - 1.2 1.3 V Ripple rejection ratio RR All IO=1000mA VRipple=1VP-P , f=120 ㎐ * 60 72 - dB Current limit I LIMIT All IO≥1000mA *1 . 1 A [ * ] Ta=25℃ Note 4: Low duty pulse testing with Kelvin connections required.

■ Typical Applications Fig. 1 Fixed V oltage Regulator 2ADJ ADJ R×I+)R R+1(×V=Vo Fig. 2 Adjustable V oltage Regulator VS1117A 10㎌ C (Adjustable Version) R I R I 125Ω (1％) O 225Ω (1％) O C 10㎌ V Vo=3.5V Adj Notes 5: 1) CI needed if device is far from filter capacitors 2) CO minimum value required for stability IADJ R10㎌ O 10㎌ OS1117-XXV V(Fixed Version) L Adj/GND I C CI

Electrical Characteristic Curves Fig.3 VDROP vs IO Fig.4 Vo vs Ta 1.8 200 1000600 400 1.4 0 800 2.0 0.8 0.4 0.6 1.6 1.2 1.0 Dropout Voltage VDROP [V] Output Current IO [mA] Ta=0°C 50°C 125°C Output Voltage Deviation [%] Ambient Temperature Ta [℃] 0 15075 50 -25 10025 125 0.90 0.30 1.20 -0.6 -1.2 -0.9 0.60 0.00 -0.3 VI=VO+1.5V, IO=500mA Fig.5 IL(MIN) vs VI-VO Fig.6 IAdj vs Ta Input-Output Differential Voltage [V] 1.0 1.8 3.4 2.6 0 6 3 4.2 Minimum Load Current IL(MIN) [mA] 41 2 5 7 1.4 2.2 3.0 3.8 Ta=125℃ 50℃ Fig.7 PD vs Ta Ambient Temperature Ta [˚C] 100 50 125 75 150 Power dissipation PD [W] Adjust Pin Current IAdj [µA] Ambient Temperature Ta [℃] 0 15075 50 -25 10025 125 VI=VO+1.5V, IO=100mA TC=25°C Ta=25℃ Mounted on a glass epoxy circuit board of 25.4*25.4 mm (at 1oz copper area) S1117A, VAdj=0

The AUK Corp. products are intended for the use as components in general electronic equipment (Offi ce and communication equipmen t, 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 safet y device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equi pments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice.