SE8117 ETC
Document overview
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- PDF pages: 5
Technical content
Features
¾ Low Dropout Performance. ¾ Guaranteed 1A Output Current. ¾ Wide Input Supply Voltage Range. ¾ Over-temperature and Over-current Protection. ¾ Fixed or Adjustable Output Voltage. ¾ Rugged 3KV ESD withstand capability. ¾ Available in SOT-223 Packages.
Description
The SE8117 series of high performance low dropout voltage regulators are designed for applications that require efficient conversion and fast transient response. Pin Configuration 1 23 InOutAdj/Gnd Tab is Vout SOT-223 Front View
Ordering Information
Device Package V OUT Volts SE8117TA SOT-223 Output voltage is adjustable. SE8117TXX SOT-223 XX denotes voltage options. Available voltages are 1.5V, 1.8V, 2.5V, 3.0V, and 3.3V. Absolute Maximum Rating Symbol Parameter Maximum Units VIN Input Supply Voltage 9 V θJC Thermal Resistance Junction to Case SOT-223 °C/W θJA Thermal Resistance Junction to Ambient SOT-223 156 °C/W TJ Operating Junction Temperature Range 0 to 125 °C TSTG Storage Temperature Range -40 to 150 °C TLEAD Lead Temperature (Soldering 10 Sec) 260 °C Application ¾ Active SCSI Terminators. ¾ High Efficiency Linear Regulators. ¾ 5V to 3.3V Linear Regulators ¾ Motherboard Clock Supplies.
Room 1605, Building 1, International Pioneering Park, #1 Shangdi XinXi Road • Haidian District, Beijing 100085, China Preliminary and all contents are subject to change without prior notice. SEAWARD ELECTRONICS INC. 1A Positive Voltage Regulators (Preliminary) SE8117 Electrical Characteristic VIN,MAX ≤ 8V, VIN,MIN – VOUT = 1.5V, IOUT = 10mA, CIN = 10µF, COUT = 22µF, TJ = 0 – 125°C, unless otherwise specified. Symbol Parameter Test Condition Min Typ Max Units VO Output Voltage (1) 10mA ≤ IOUT ≤ 1A, TA = 25°C, SE8117T15 SE8117T18 SE8117T25 SE8117T30 SE8117T33 (-2%) 1.5 1.8 2.5 3.0 3.3 (+2%) V VREF Reference Voltage (1) (Adj. Voltage Version) 10mA ≤ IOUT ≤ 1A 1.225 (-2%) 1.250 1.275 (+2%) V VSR Line Regulation (1) I OUT = 10mA 0.3 % VLR Load Regulation (1) (VIN - VOUT) = 2V 10mA ≤ IOUT ≤ 1A 0.4 % IQ Quiescent Current 9 mA IADJ Adjust Pin Current 48 µA ∆IADJ Adjust Pin Current Change 10mA ≤ IOUT ≤ 1A 0.2 µA VD Dropout Voltage (2) ∆VREF = 1%, IOUT = 1A 1.1 V IO Minimum Load Current 4 mA ICL Current Limit 1.8 A TC Temperature Coefficient 0.07 %/°C OTP Thermal Protection 175 °C VN RMS Output Noise T A = 25°C, 10Hz ≤ f ≤ 10kHz 0.003 %V O RA Ripple Rejection Ratio f = 120Hz, COUT = 22µF (Tantalum), (VIN - VOUT) = 3V, IOUT = 1A 72 dB Notes: 1. Low duty cycle pulse testing with which T J remains unchanged. 2. ∆VOUT, ∆VREF = 1%.
Room 1605, Building 1, International Pioneering Park, #1 Shangdi XinXi Road • Haidian District, Beijing 100085, China Preliminary and all contents are subject to change without prior notice. SEAWARD ELECTRONICS INC. 1A Positive Voltage Regulators (Preliminary) SE8117 Typical Applications SE8117T15
24.9 Ohm
124 Ohm
VOUT = 1.5VVIN >= 3.0V Adjustable Voltage Regulator SE8117T33 COUT 22uF CIN 10uF IQ VOUT = 3.3VVIN >= 4.8V Fixed Voltage Regulator COUT 22uF
Room 1605, Building 1, International Pioneering Park, #1 Shangdi XinXi Road • Haidian District, Beijing 100085, China Preliminary and all contents are subject to change without prior notice. SEAWARD ELECTRONICS INC. 1A Positive Voltage Regulators (Preliminary) SE8117 Typical Performance Characteristics Reference Voltage vs Junction Temperature 1220 1225 1230 1235 1240 1245 1250 -25 0 25 50 75 100 125 150 Junction Temperature (C) Reference Voltage (mV) Output Voltage vs Junction Temperature 3.20 3.25 3.30 3.35 3.40 3.45 3.50 3.55 3.60 3.65 3.70 -25 0 25 50 75 100 125 150 Junction Temperature (C) Output Voltage Dropout Voltage vs Output Current 1.02 1.04 1.06 1.08 1.1 1.12 1.14 0 200 400 600 800 1000 Output Current (mA) Dropout Voltage (V) Line Transients CIN = 0.1µF, COUT = 1µF VIN = 4.5V – 5.5 V Load Transients COUT = 22µF, CIN = 10µF ILOAD = 10mA – 1A
Room 1605, Building 1, International Pioneering Park, #1 Shangdi XinXi Road • Haidian District, Beijing 100085, China Preliminary and all contents are subject to change without prior notice. SEAWARD ELECTRONICS INC. 1A Positive Voltage Regulators (Preliminary) SE8117 Outline Drawing for SOT-223