XC9221C095MR Torex Semiconductor Ltd, XC9221C095MR Datasheet
XC9221C095MR
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XC9221C095MR Summary of contents
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XC9220/9221 16V Input Voltage, Step-Down DC/DC Controller ICs ■GENERAL DESCRIPTION The XC9220/9221 series is a group of multi-purpose step-down DC/DC controller ICs. The ICs enable a high efficiency, stable power supply with an output current ...
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XC9220/9221 ■PIN CONFIGURATION V EXT CE SOT-25 (TOP VIEW) ■PIN ASSIGNMENT PIN NUMBER SOT-25 USP- ■PRODUCT CLASSIFICATION ●Ordering ...
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DIAGRAMS ●XC9220/21A and C series ■ ABSOLUTE MAXIMUM RATINGS PARAMETER V Pin Voltage IN FB Pin Voltage CE/C Pin Voltage SS EXT/ Pin Voltage EXT/ Pin Current SOT-25 Power Dissipation USP-6C Operating Temperature Range Storage Temperature Range ● XC9220/21B ...
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XC9220/9221 ■ELECTRICAL CHARACTERISTICS XC9220/XC9221 A and C series PARAMETER SYMBOL FB Voltage Input Voltage Range U.V.L.O. Voltage V (Minimum Operating Voltage) Supply Current 2 Stand-by Current Oscillation Frequency Maximum Duty Ratio MAXDTY PFM Duty Ratio PFMDTY EXT/ High On Resistance ...
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CHARACTERISTICS (Continued) XC9220/XC9221 B and D series PARAMETER SYMBOL FB Voltage Input Voltage Range U.V.L.O. Voltage V (Minimum Operating Voltage) Supply Current 2 Stand-by Current Oscillation Frequency Maximum Duty Ratio MAXDTY PFM Duty Ratio PFMDTY EXT/ High On Resistance ...
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XC9220/9221 ■TYPICAL APPLICATION CIRCUIT ■OPERATIONAL EXPLANATION The XC9220/9221 series consists of a reference voltage source, ramp wave circuit, error amplifier, PWM comparator, phase compensation circuit, protection circuits, U.V.L.O. circuit and others. The series ICs compare, using the error amplifier, the ...
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EXPLANATION (Continued) <U.V.L.O. (Under Voltage Lock Out) > When the input voltage becomes 2.3V (TYP.) or lower, the external P-channel driver transistor is forced OFF. Once the U.V.L.O. operates, the XC9220/9221A and C series (soft-start internally set type) resets ...
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XC9220/9221 ■OPERATIONAL EXPLANATION (Continued) <Protection Circuits> 1. Integral Protection Circuit (Latch Type) In the circuit of the XC9220/9221 A and B series, the more load current becomes larger, the duty of the EXT/ pin gradually expands, and the duty reaches ...
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EXPLANATION (Continued) ● Output Voltage Setting Output voltage can be set by adding split resistors. Output voltage is determined by the following equation, based on the values of R and R . The sum of R FB1 FB2 V ...
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XC9220/9221 ■OPERATIONAL EXPLANATION (Continued) ● Setting of Coil Value Recommended inductance value of coil by oscillation frequency is shown in the chart below. FOSC (kHz) 300 500 1000 However, the more current change in each pulse becomes larger, the more ...
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ON USE 1. The XC9220/9221 series are designed for use with an output ceramic capacitor. If, however, the potential difference between input and output is too large, a ceramic capacitor may fail to absorb the resulting high switching energy ...
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XC9220/9221 Series ■NOTES ON USE (Continued) ● Instructions on Pattern Layout 1. Wire external components as close to the IC as possible and use thick, short connecting traces to reduce the circuit impedance. 2. Please strengthen V and V IN ...
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CIRCUITS Circuit 1: Supply Current, Stand-by Current, CE Current VIN A A CE/CSS CIN:1uF Circuit 3: Oscillation Frequency, PFMDUTY, U.V.L.O., Efficiency Circuit 4: EXT On Resistance, FB Current VIN CIN:1uF CE/CSS Circuit ...
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XC9220/9221 ■TYPICAL PERFORMANCE CHARACTERISTICS (1) Efficiency vs. Output Current XC9220/21x095xx Tr:2SJ646, SBD:DE5PC3, CDRH127-10uH, CIN=10uF(ceramic), CL=44uF(ceramic), RSENSE=50mohm 100 0 100 Output Current: IOUT (mA) (2) Output Voltage vs. Output ...
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PERFORMANCE CHARACTERISTICS (Continued) (4) FB Voltage Temperature Characteristics XC9220/21 Series 1.00 0.95 0.90 0.85 0.80 0.75 -50 - Ambient Temperature ℃ ) (6) Input Voltage Temperature Characteristics XC9220/21 Series VIN=5V, Fosc=300k,500kHz ...
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XC9220/9221 ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (10) EXT H ON Resistance Characteristics XC9220/21 Series Input Voltage: VIN (V) (11) Soft-Start Time Temperature Characteristics XC9220/21 Series VIN=5V, Fosc=300k,500kHz 8.0 7.0 ...
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PERFORMANCE CHARACTERISTICS (Continued) (13) Short-Circuit Protection Temperature Characteristics XC9220/21 Series 0.8 0.7 0.6 0.5 0.4 0.3 -50 - Ambient Temperature ℃ ) (15) CE Threshold Temperature Characteristics XC9220/21 Series 1.2 1.0 0.8 0.6 CE_L ...
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XC9220/9221 ■TYPICAL PERFORMANCE CHARACTERISTICS (Continued) (17) Load Transient Response Characteristics XC9220x095xx (500kHz, PWM Control) <External Components> Tr: 2SJ616 (SANYO), SBD: D1FH3 (SHINDENGEN), L=10uH CDRH8D43, SUMIDA) C =47uF (OS-Con), CL=47uF (OS-Con) IN ○I =0.1mA→1000mA OUT V =5.0V, V =3.3V, V =100mV/div., ...
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INFORMATION ●SOT-25 (SOT-23-5) ●USP-6C Recommended Pattern Layout ●USP-6C ●USP-6C Recommended Metal Mask Design XC9220/9221 Series 19/21 ...
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XC9220/9221 ■ MARKING RULE ●SOT-25 ① Represents product series ② Represents product types MARK SOT-25 (TOP VIEW) ③ Represents oscillation frequency MARK ④ Represents production lot number ●USP-6C ① Represents product series ② Represent product types MARK USP-6C (TOP VIEW) ...
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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 catalog may be copied or reproduced without the prior permission of Torex Semiconductor Ltd. XC9220/9221 Series 21/21 ...