LD3117G-47-AE3-I-R

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UNISONIC TECHNOLOGIES CO., LTD LD3117 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 4 Copyright © 2018 Unisonic Technologies Co., Ltd QW-R102-104.a 500mA LOW DROPOUT LINEAR VOLTAGE REGULATORS  DESCRIPTION The UTC LD3117 are 500mA fixed output voltage low dropout linear regulators. Wide range of avail able output voltage fits most of applications. Built-in output current -limiting most thermal-limiting provide maximal protection against any fault conditions.  FEATURES *Guaranteed 500mA output current *Input voltage range up to 20V *Extremely tight load regulation *Fast transient response *Current-limiting and Thermal-limiting  ORDERING INFORMATION Ordering Number Lead Free Halogen Free Package ○1 Pin Assignment Packing LD3117L-xx-AE3-○1 -R LD3117G-xx-AE3- ○1 -R SOT-23 A: GOI B: OGI C: GIO D: IGO R: Tape Reel Note: 1. Pin assignment: I: V IN (Positive Power Input) O: V OUT (Output) G: GND (Ground/Adjustable) 2. xx: Output Voltage, refer to Marking Information.

LD3117 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 4 www.unisonic.com.tw QW-R102-104.a  MARKING INFORMATION PACKAGE VOLTAGE CODE PIN CODE PIN 1 PIN 2 PIN 3 MARKING A G O I B O G I C G I O SOT-23 15:1.5V 18:1.8V 22:2.2V 25:2.5V 27:2.7V 28:2.8V 29:2.9V 30:3.0V 33:3.3V 35:3.5V 36:3.6V 37:3.7V 47:4.7V 50:5.0V AD:ADJ D I G O

LD3117 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 4 www.unisonic.com.tw QW-R102-104.a  ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Input Voltage VIN V IN -0.3 ~ +20 V Power Dissipation P D 295 mW Operating Temperature T OPR -40 ~ +85 °C Storage Temperature T STG -65 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied.  THERMAL DATA PARAMETER SYMBOL RATINGS UNIT Junction to Ambient θJA 335 °C/W  ELECTRICAL CHARACTERISTICS (TA=25°C, CIN=1μF, COUT=10μF, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT 1.47 1.50 1.53 V 1.77 1.80 1.83 V 2.16 2.20 2.24 V 2.45 2.50 2.55 V 2.65 2.70 2.75 V 2.74 2.80 2.86 V 2.84 2.90 2.96 V Output Voltage V OUT I L=2mA, VIN-VOUT=1.4V 2.94 3.00 3.06 V Dropout Voltage (Note 4,5) V D I L=500mA 1.5 V Line Regulation ∆VOUT I L=2mA, VIN-VOUT=2V ~ VIN=9V 0.5 %V OUT Load Regulation (Note 2) ∆VOUT I L=2mA ~ 500mA, VIN-VOUT =2V 10 50 mV Current Limit (Note 3) I LIMIT V IN-VOUT=2V, VOUT=0V 550 mA Standby Current I ST-BY I L=0, VIN=9V 5.0 mA PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT ADJUSTABLE (R1=120Ω, R2=200Ω, VOUT=3.3V) Reference Voltage V REF V IN-VOUT=2V, IL=2mA 1.238 1.250 1.262 V 3.23 3.30 3.37 V 3.43 3.50 3.57 V 3.53 3.60 3.67 V 3.63 3.70 3.77 V 4.61 4.70 4.79 V Output Voltage-LD3117 V OUT I L=2mA, VIN-VOUT=1.4V 4.90 5.00 5.10 V LD3117 V D I L=500mA 1.3 V Dropout Voltage (Notes 4, 5) LD3117-ADJ V D I L=500mA 1.5 V Line Regulation ∆VOUT I L=2mA, VIN-VOUT=2V ~ VIN=12V 0.5 %V OUT Load Regulation (Note 2) ∆VOUT I L=2mA ~ 500mA, VIN-VOUT =2V 10 50 mV Current Limit (Note 3) I LIMIT V IN-VOUT=2V, VOUT=0V 550 mA Standby current I ST-BY I L=0, VIN=12V 5.0 mA Adjust Pin Current I ADJ V IN=12V 200 μA Adjust Pin Current Change ∆IADJ V IN=2.75V~12V, IL=1mA~500mA 5 μA Notes: 1. Guaranteed by design. Note 2. Regulation is measured at constant j unction temperature, using pulsed ON time. Note 3. Current Limit is measured at constant junction temperature, using pulsed ON time. Note 4. Dropout is measured at constant junction temper ature, using pulsed ON ti me, and the criterion is V OUT inside target value±2%. Note 5: Dropout test is ski pped at the condition of VIN<3V.

LD3117 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 4 www.unisonic.com.tw QW-R102-104.a  TYPICAL APPLICATION CIRCUIT UTC LD3117 VOUT GND VIN CO 10μF CI 1μF VIN VOUT  APPLICATION INFORMATION A 10μF (or larger) capacitor is recommended between V OUT and GND for stability. The part may oscillate without the capacitor. Any type of capacitor can be used, but not Aluminum electrol ytics when operating below -25°C. The capacitance may be increased without limit. A 1μF capacitor (or larger) should be placed between VIN to GND. LD3117 ADJUSTABLE UTC LD3117 + + VREF R1 10uF1uF VOUTVIN 10uFCR CR:10uF to improve ripple rejection VOUT=VREF(1+R2/R1)+IADJ*R2 IADJ VIN VOUT ADJ UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. UTC reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof.