XC9515AA01ZL TOREX [Torex Semiconductor], XC9515AA01ZL Datasheet
XC9515AA01ZL
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XC9515AA01ZL Summary of contents
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XC9515 Series 2 channel Synchronous Step-Down DC/DC Converter with Manual Reset ■GENERAL DESCRIPTION The XC9515 series consists of 2 channel synchronous step-down DC/DC converters and a voltage detector with delay circuit built-in. The DC/DC converter block incorporates a P-channel 0.35Ω ...
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XC9515 Series ■PIN CONFIGURATION ■ PIN ASSIGNMENT QFN-20 PIN PIN NAME NUMBER P_V SS1 P_V SS2 P_V DD2 LX2 Switching Output Voltage Detector ...
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CHART ●EN1, EN2 and MR pins are internally pulled up. * PIN LEVEL High , Open EN1 Low High , Open EN2 Low High , Open MR Low EN1, EN2 and MR pins are internally pulled up so that ...
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XC9515 Series ■BLOCK DIAGRAM V OUT1 Error Amp PVDD1 PWM Comparator Soft EN1 Ramp ON/ Start Wave OFF Control EN2 Vre f OSC V OUT2 Ramp Soft Wave Start Error Amp PWM Comparator PVDD1 MR Rdelay Vre f VSS ■ABSOLUTE ...
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CHARACTERISTICS XC9515AB04xx ● DC/DC CH1, CH2 (V =1.5V, V OUT1 OUT2 PARAMETER SYMBOL Input Voltage V IN Output Voltage 1 V OUT1 Output Voltage 2 V OUT2 I OUTMAX1 (*1) Maximum Output Current 1・2 I OUTMAX2 I ・ LIM1 ...
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XC9515 Series ■ELECTRICAL CHARACTERISTICS (Continued) XC9515AB04xx ●Voltage Detector (VD) (MR pin Pull-up Inside) Block PARAMETER SYMBOL (*1) Detect Voltage V DF(E) Hysteresis Width V HYS VD Output Current I DOUT Delay Resistance R DLY MR "H" Level Voltage V MRH ...
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CHARACTERISTICS (Continued) XC9515BA06xx ●DC/DC CH1, CH2 (V =1.5V, V OUT1 OUT2 PARAMETER SYMBOL Input Voltage V IN Output Voltage1 V OUT1 Output Voltage2 V OUT2 I OUTMAX1 (*1) Maximum Output Current 1・2 I OUTMAX2 Current Limit 1・2 I ・I ...
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XC9515 Series ■ELECTRICAL CHARACTERISTICS (Continued) XC9515BA06xx ●VD (MR pin is internally floating) PARAMETER SYMBOL (*1) Detect Voltage V (E) DF Hysteresis Width V HYS VD Output Current I DOUT Delay Resistance R DLY MR "H" Level Voltage ...
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APPRICATION CIRCUIT VIN <Example of the External Components> IN1 C IN2 RUP :100kΩ L1 CIN1 VOUT NC PVSS 1 NC AVSS PVSS 2 VOUT NC CIN2 L2 :4.7μH(CDRH4D28C, SUMIDA) :4.7μH(CDRH4D28C, SUMIDA) :10μF(ceramic) ...
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XC9515 Series ■OPERATIONAL EXPLANATION XC9515 series consists of a reference voltage source, ramp wave circuit, error amplifier, PWM comparator, phase compensation circuit, output voltage adjustment resistors, P-channel driver transistor, N-channel synchronous switching transistor, current limit circuit, UVLO circuit and others. ...
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EXPLANATION (Continued) <Thermal Shutdown> For protecting the IC from heat damage, the thermal shutdown circuit monitors the chip temperature. When the chip temperature reaches 150℃, the thermal shutdown circuit operates and the driver transistor will be set to OFF. ...
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XC9515 Series ■NOTES ON USE 1. Please use this IC within the stated maximum ratings. The IC is liable to malfunction should the ratings be exceeded. 2. Please apply the same electrical potential to the P_V P_V and P_V pins ...
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ON USE (Continued) 7. Driving current below the minimum operating voltage may lead malfunction to the UVLO circuit because of the noise. 8. Depending on the PC board condition, the latch function may be released from limit current detection ...
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XC9515 Series ■TEST CIRCUITS Wave Form Measurement Point < Test Circuit No.1 > Wave Form Measurement Point Wave Form Measurement Point Wave Form Measurement Point < Test Circuit No.2 > 1μ < ...
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CIRCUITS (Continued) Wave Form Measurement Point Wave Form Measurement Point XC9515 Series 15/21 ...
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XC9515 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (1) Efficiency vs. Output Current L=4.7uH(CDRH4D28C),CIN=10uF(ceramic),CL=10uF(ceramic) 100 90 VOUT=3. VOUT=1. Output Current : IOUT [mA] Output Current: I (2) Output Voltage vs. Output Current ...
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PERFORMANCE CHARACTERISTICS (Continued) (3) Output Voltage vs. Ambient Temperature V =1.2V Vout=1.2V OUT L:4.7uH(CDRH 4D28C),CIN =10uF(c eram ic ),CL=10uF(ce ramic) 1.30 1.25 1.20 1.15 VIN=2.5V,3.0V,4.0V,5.0V,5.5V 1.10 1.05 1.00 -50 - Ambient Temperature:Ta[ ℃ =1.8V OUT ...
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XC9515 Series ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (5) Load Transient Response V =5V, V =1.5V, V =3.3V, f VIN=5V,VOUT1=1.5V,VOUT2=3.3V,FOSC=1MHz, IN OUT1 OUT2 VOUT1=200mV/div VOUT2=200mV/div IOUT1=200mA IOUT1=1mA 50μs/div 50μs/div V =5V, V =1.5V, V =3.3V, f VIN=5V,VOUT1=1.5V,VOUT2=3.3V,FOSC=1MHz, IN OUT1 OUT2 VOUT1=200mV/div VOUT2=200mV/div ...
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INFORMATION ●QFN-20 1 PIN INDENT 4.00±0.10 0.40±0.05 2.70±0. ●QFN-20 Reference Pattern Layout 4.6 3.2 0.5 2.7 (0.2) +0.03 0.02 -0.02 0.75±0. ...
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XC9515 Series ■MARKING RULE ●QFN-20 1pin ①②③④⑤⑥ ⑦⑧⑨ QFN-20 (TOP VIEW) 20/21 ●Standard Product ①②③Represent product series MARK PRODUCT SERIES ① ② ③ XC9515****** ④⑤⑥⑦Represents integer number of setting voltage MARK PRODUCT SERIES ④ ⑤ ⑥ ⑦ ...
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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 datasheet date assume ...