ZXSC100N8 DIODES [Diodes Incorporated], ZXSC100N8 Datasheet
ZXSC100N8
Related parts for ZXSC100N8
ZXSC100N8 Summary of contents
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... Electronic toothbrush • GPS receivers • Digital camera • Palmtop computers ORDERING INFORMATION DEVICE ZXSC100X8 ZXSC100N8 ISSUE 3 - JANUARY 2004 The IC and discrete combination offers the ultimate cost vs performance solution for single cell DC-DC conversion. APPLICATIONS(continued) • Hand held instruments • Portable medical equipment • ...
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ZXSC100 ABSOLUTE MAXIMUM RATING Supply voltage 0.3 to 3.5V Maximum voltage other pins 0 Power dissipation (25°C) MSOP8 500mW SO8 780mW ELECTRICAL CHARACTERISTICS (Unless otherwise stated) V Symbol Parameter I Quiescent current CC I Base drive current DRIVE ...
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OPERATING CONDITIONS Symbol Parameter F Recommended operating frequency OSC 2 These parameters guaranteed by design and characterization 3 Operating frequency is application circuit dependant. See applications section FMMT617 For the circuits described in the applications section, Zetex FMMT617 is the ...
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ZXSC100 TYPICAL CHARACTERISTICS 300 250 200 150 100 1.0 1.5 Input Voltage (V) Quiescent Current v Input Voltage 2.0 1.5 1.0 0.5 0.0 -0.5 -1.0 -1.5 -2.0 0 50m Output Current (A) Load Regulation ...
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DEVICE DESCRIPTION The ZXSC100 is non-synchronous PFM, DC-DC controller IC which, when combined with a high performance external transistor, enables the production of a high efficiency boost converter for use in single cell applications. A block diagram is shown for ...
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ZXSC100 PIN DESCRIPTIONS Pin Name Description No Emitter of internal drive transistor. Connect lower power applications. Must be unconnected in higher power applications 2 BAS Not connected in lower power applications. Connect to base of ...
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Low power solution, V =3.3V, P OUT MATERIALS LIST Ref Value Part Number U1 N/A ZXSC100X8 Q1 20V, 13mΩ, 7A FMMT617 D1 0.5V, 2A ZHCS1000 R1 Generic 0Ω* R2 33mΩ Generic R3 110kΩ Generic R4 Generic 30kΩ C1 220µF TPSD227M010R0100 ...
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ZXSC100 Higher power solution, V =3.3V, P OUT L1 V BATT ZHCS1000 FMMT617 DRIVE I BAS SENSE ZXSC100 R2 C1 MATERIALS LIST Ref Value Part Number U1 N/A ...
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OTHER APPLICATIONS L1 V BATT 100µ DRIVE BAS I SENSE ZXSC100 Driving white LED’ flashlight application The ZXSC100 solution is ideal for LED lamp driving applications operating from a ...
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ZXSC100 APPLICATIONS INFORMATION The following section is a design guide for optimum converter performance. Switching transistor selection The choice of switching transistor has a major impact on the DC-DC converter efficiency. For optimum performance, a bipolar transistor with low V ...
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The inductor value must be chosen to satisfy performance, cost and size requirements of the overall solution. For the reference designs we recommend an inductor value of 22µH with a core saturation current rating greater than the converter peak current ...
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ZXSC100 Input capacitors The input capacitor is chosen for its voltage and RMS current rating. The use of low ESR electrolytic or tantalum capacitors is recommended. Capacitor values for optimum performance are suggested in the reference design section. Also note ...
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Layout issues Layout is critical for the circuit to function optimally in terms of electrical efficiency, thermal considerations and noise. For ‘step-up converters’ there are four main current loops, the input loop, power-switch loop, rectifier loop and output loop. The ...
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ZXSC100 Designing with the ZXSC100 Introduction This section refers to the ZXSC100, 3.3V/100mA output reference design and demonstrates the dynamic performance of the solution BATT 22µH ZHCS1000 FMMT617 EM V DRIVE BAS I SENSE ...
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Shown in Figure 5. is the discontinuous inductor current. The ramp-up current stores energy in the inductor. The switching transistor,Q1 during this time and has an equivalent current ramp-up, shown in Figure 6. The ramp-down current is associated ...
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ZXSC100 Output voltage ripple Output voltage ripple is shown in Figure 8. The circuit is operated with a 1.2V input voltage, 3.3V output voltage and 100mA load current. Output voltage ripple will be dependent large extent, on the ...
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CONNECTION DIAGRAMS V DRIVE BAS MSOP8 Millimeters DIM MIN MAX MIN A 0.91 1.11 0.036 A1 0.10 0.20 0.004 B 0.25 0.36 0.010 C 0.13 0.18 0.005 D ...