XC9116B02AMR Torex Semiconductor Ltd, XC9116B02AMR Datasheet

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XC9116 Series Step-Up DC/DC Converter-Backlight LED Driver ■GENERAL DESCRIPTION The XC9116 series is a fixed frequency, constant current step-up DC/DC converter ideal for driving LEDs used in backlighting applications such as cellular phones, PDAs and digital cameras. Output voltage of ...

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XC9116 Series ■PIN CONFIGURATION SOT-25 (TOP VIEW) ■PIN ASSIGNMENT PIN NUMBER SOT-25 USP- ■CE PIN FUNCTION CE PIN H L ■PRODUCT CLASSIFICATION ●Ordering Information * XC9116①②③④⑤⑥-⑦ ...

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DIAGRAMS ●XC9116B02A VIN Error Amp 0.2V Compensation CE ●XC9116D02A V IN Error Amp Compensation 0. ■ ABSOLUTE MAXIMUM RATINGS PARAMETER V Pin Voltage IN Lx Pin Voltage FB Pin Voltage CE ...

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... XC9116 Series ■ELECTRICAL CHARACTERISTICS XC9116B02AMR PARAMETER SYMBOL FB Control Voltage V FB Output Voltage Range V OUTSET Input Voltage Range V IN Supply Current 1 I DD1 Supply Current 2 I DD2 Standby Current I STB Oscillation Frequency f OSC Maximum Duty Cycle (*1) MAXDTY Efficiency (*2) EFFI Current Limit I LIM ...

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APPLICATION CIRCUITS ●XC9116B02A ■EXTERNAL COMPONENTS SYMBOL VALUE L 22μH (*1) SBD - C 4.7μF IN (*3) CL 0.22μF (*4) ZD 18V 100 Ω R1 NOTE : *1: Please use a Schottky barrier diode (SBD) with a low junction capacitance, ...

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XC9116 Series ■OPERATIONAL EXPLANATIONS (Continued) <Current Limit> The current limit circuit of the XC9116 series monitors the current flowing through the N-channel MOS driver transistor connected to the Lx pin, and features a combination of the constant-current type current limit ...

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INFORMATION <Dimming Control> 1. Applying PWM signal to the CE pin The XC9116 repeats on/off operations by a PWM signal applied to the CE pin. The magnitude of LED current, I the diode is on, is determined by R ...

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XC9116 Series ■APPLICATION INFORMATION (Continued) <Dimming Control (Continued)> 3. Using DC Voltage application it is necessary to control the LED current by a variable DC voltage, illumination control of LED is achieved by connecting R1 and R2 ...

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INFORMATION (Continued) <Illumination of Six in Total White LEDs> possible to illuminate three-series two parallel white LEDs, six in total, using an input voltage V <Use as Flash> An LED current 65mA (MAX.) can be supplied to ...

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XC9116 Series ■APPLICATION INFORMATION (Continued) <LED Open-circuit Protection> If white LEDs are opened or damaged, the FB pin is pulled down, so that the operating duty ratio reaches the maximum. Accordingly, the output voltage continues to increase, possibly causing the ...

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INFORMATION (Continued) <Instruction on Pattern Layout> order to stabilize V 's voltage level, we recommend that an input by-pass capacitor (C IN possible to the V & V pins Please mount each external component ...

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XC9116 Series ■ TEST CIRCUITS ●Circuit ① XC9116B02A series ●Circuit ② 1uF V CE ●Circuit ④ OSC 1uF VCE 1. The measurement method of LX ...

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TYPICAL PERFORMANCE CHARACTERISTICS (1) Supply Current 1 vs. Input Voltage Vpull=5V,Rpull=100ohm 1200 1000 o Ta=25 C 800 600 400 200 Input Voltage 　 VIN 　 (V) (3) Oscillation Frequency vs. Input Voltage ...

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XC9116 Series ■ TYPICAL PERFORMANCE CHARACTERISTICS (Continued) ( Resistance vs. Input Voltage VCE=3.0V,VLx=0.4V,Rpull=10ohm,Tr:2SK583 6.0 5.0 4.0 o -40 C Ta=25 3.0 2 Input Voltage VIN (V) (9) FB Voltage vs. ...

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... TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (13) Efficiency vs. Input Voltage XC9116B02AMR, 3 LEDs in series LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XBS053V15R 100 30mA 90 80 ILED=10mA Input Voltage VIN (V) LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XBS053V15R 100 30mA 90 80 ILED=10mA Input Voltage VIN(V) LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XBS053V15R 100 ILED=10mA Input Voltage VIN(V) VCE=3.0V 100 ...

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... XC9116 Series ■ TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (13) Efficiency vs. Input Voltage (Continued) XC9116B02AMR, 4 LEDs in series LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XBS053V15R 100 20mA 30mA Input Voltage VIN (V) LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XBS053V15R 100 90 80 ILED=10mA Input Voltage VIN(V) LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XBS053V15R 100 30mA ILED=10mA Input Voltage VIN(V) 16/22 VCE=3 ...

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... TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (13) Efficiency vs. Input Voltage (Continued) XC9116B02AMR, 2 parallel legs with 3 LEDs per leg L=22μH (VLF3010) LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XBS053V15R 100 ILED=10mA 30mA 60 20mA Input Voltage VIN (V) (14) Efficiency vs. LED Current XC9116B02AMR, 3 LEDs in series L=10μH LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XBS053V15R ...

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XC9116 Series ■ TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (15) Average LED Current vs. Input Voltage L=22uH(VLF3010),CL=0.22uF(Ceramic) R1=10ohm,SBD:XBS053V15R Dimming PWM Duty=50 2.5 3.0 3.5 4.0 Input Voltage VIN (V) L=22uH(VLF3010),CL=0.22uF(Ceramic) R1=10ohm,SBD:XBS053V15R Dimming PWM ...

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TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (16) Average LED Current vs. Dimming PWM Duty L=22uH(VLF3010),CL=0.22uF(Ceramic) R1=10ohm,SBD:XBS053V15R 20 　 VIN=2.5V 　 2.7V 16 　 3.2V 　　 4.2V 12 　　 5. Dimming PWM DUTY (%) L=22uH(VLF3010),CL=0.22uF(Ceramic) ...

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XC9116 Series ■PACKAGING INFORMATION ●SOT-25 ●USP-6B 20/22 Reference Pattern Layout Reference Metal Mask Design ...

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MARKING RULE ●SOT-25 1 represents product series * Character inversion used. 2 represents Lx overvoltage limit SOT-25 (TOP VIEW) 3 represents oscillation frequency 4 represents production lot number and inverted characters 0 ...

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... Should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives assume no responsibility for damage or loss due to abnormal use. 7. All rights reserved. No part of this datasheet may be copied or reproduced without the prior permission of TOREX SEMICONDUCTOR LTD. 22/22 ...