XC9116B02ADL TOREX [Torex Semiconductor], XC9116B02ADL Datasheet
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XC9116B02ADL
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XC9116B02ADL Summary of contents
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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 on cellular phones, PDAs and digital cameras etc. 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 DESIGNATOR DESCRIPTION 1 ...
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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 ISTB Oscillation Frequency FOSC Maximum Duty ...
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APPLICATION CIRCUITS ●XC9116B02A ■EXTERNAL COMPONENTS SYMBOL VALUE L 22µH SBD (* 4.7µ (*3) 0.22µF ZD (*4) 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 VIN 3.2V~6.0V CIN: 4.7uF <Use as Flash> An LED current 65mA (MAX.) ...
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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=25 800 600 400 200 Input Voltage VIN (V) (3) Oscillation Frequency vs. Input Voltage Vpull=5V,Rpull=100ohm ...
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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. Ambient ...
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TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (13) Efficiency vs. Input Voltage XC9116B02AMR, 3 LEDs in series L=22uH(VLF3010) LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XB0ASB03A1B 100 30mA Input Voltage VIN (V) L=22uH(CDRH3D16) LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XB0ASB03A1B 100 90 80 ILED=10m ...
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XC9116 Series ■ TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (13) Efficiency vs. Input Voltage (Continued) XC9116B02AMR, 4 LEDs in series L=22uH(VLF3010) LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XB0ASB03A1B 100 20mA 30mA Input Voltage VIN (V) L=22uH(CDRH3D16) LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XB0ASB03A1B ...
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TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (13) Efficiency vs. Input Voltage (Continued) XC9116B02AMR, 2 parallel legs with 3 LEDs per leg L=22uH(VLF3010) LED:NSPW310BS,CIN=4.7uF(Ceramic) CL=0.22uF(Ceramic), SBD:XB0ASB03A1B 100 ILED=10mA 20mA Input Voltage VIN (V) (14) Efficiency ...
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XC9116 Series ■ TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (15) Average LED Current vs. Input Voltage CE CLK=100Hz,4 LEDs in series L=22uH(VLF3010),CL=0.22uF(Ceramic) R1=10ohm,SBD:XB0ASB03A1B Dimming PWM Duty=50 2.5 3.0 3.5 Input Voltage VIN (V) CE CLK=10kHz,4 LEDs ...
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TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (16) Average LED Current vs. Dimming PWM Duty CE CLK=100Hz,4 LEDs in series L=22uH(VLF3010),CL=0.22uF(Ceramic) R1=10ohm,SBD:XB0ASB03A1B 20 VIN=2.5V 2.7V 16 3.2V 4.2V 12 5. Dimming ...
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XC9116 Series ■PACKAGING INFORMATION ●SOT-25 (SOT-23-5) ●USP-6B 20/22 * Pin no thicker than other pins. ...
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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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XC9116 Series 1. The products and product specifications contained herein are subject to change without notice to improve performance characteristics. Consult us, or our representatives before use, to confirm that the information in this catalog date. 2. ...