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Epson S1F70000 manual 17

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1. DC/DC Converter

Contents

Page NOTICE The information of the product number change Configuration of product number Comparison table between new and previous number Page Contents EPSON Page Page Page Page Page Introduction Selection Guide DC/DC Converter DC/DC Converter and Voltage Regulator Voltage regulator DC/DC Switching Regulator Voltage Detector Page Page Page S1F76600 Series Page Page Typical Performance Characteristics Page Page Voltage Multiplier Parallel Connection Serial Connection Positive Voltage Conversion Simultaneous Voltage Conversion S1F76620 Series Page Page Page Page Page Page Page Page Page Page EXAMPLE OF REFERENCE EXTERNAL CONNECTION Page Page MEASUREMENT CIRCUIT Page Page S1F76610 Series S1F76610C0B0/M0B0 Reconmmended Operating Conditions Page Page Typical Performance Characteristics Page Page Page Page Double voltage potential levels Tripled voltage potential levels Voltage Tripler with Regulator Converting a Voltage Tripler to a Voltage Doubler Page Using an External Gradient S1F76540 Series Page Page Page Page Page Page Clock Generator Circuit Page Voltage Converter Reference Voltage Circuit Voltage Regulator Circuit Page Page Power-offControl Function Page APPLICATION CIRCUIT EXAMPLES Four-timeBooster and Regulator 4-timeBooster Parallel Connection (for Increased Boosting) Larger Time Boosting Using Diodes Page Page Wiring Example When Changing the Regulator Temperature Coefficient Page S1F76640 Series Page Page Page 2.30mm 2.60mm CR Oscillator Voltage Conversion Circuits (I) and (II) Reference Voltage Generator, Voltage Stabilization Circuit Temperature Gradient Selection Circuit Page Recommended Operating Conditions Page Measurement Circuit (Described on S1F76640M0A0) Page Page Page Page Page Page Plastic SSOP2-16pin APPLICATION EXAMPLE 2 Times Step-up,3 Times Step-upand 4 Times Step-up 4 Times Step-up+ Stabilization Circuit Series Connection Page Negative Voltage Conversion Negative Voltage Conversion + Positive Voltage Conversion Page Page Configuration Example of High Magnification Step-upCircuit with Diode Page Page PIN ASSIGNMENTS Page Page RECOMMENDED OPERATING CONDITIONS S1F78100Y2A0 S1F78100Y2B0 S1F78100Y2M0 S1F78100Y2P0 S1F78100Y2K0 S1F78100Y2N0 S1F78100Y2T0 S1F78100Y2C0 S1F78100Y2D0 S1F78100Y2R0 S1F78100Y2L0 S1F78100Y2F0 S1F78100Y2G0 S1F78100Y2H0 Page Page Page Page Page Page Page Page S1F79100Y Series Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page S1F76300 Series LINEUP BLOCK DIAGRAMS S1F76380 Series S1F76310 Series S1F76310 series S1F76380 series S1F76310M1L0 S1F76310M1B0 S1F76310M1K0 S1F76310M1A0 S1F76380M1H0 S1F76380M1L0 S1F76380M1H0 and S1F76380M1L0 S1F76310M1B0, S1F76310M1K0 Load Characteristics Page Reset delays Basic Voltage Booster Operation Internal Circuits CR oscillator Reference voltage generator and output voltage regulator Voltage detection Power-onclear function Disabling power-onclear Output voltage response compensation Powering up Standby mode and battery backup Example Circuits Page Sample External Components Drum coil inductors Toroidal coil inductors Diodes Smoothing capacitors Other Applications Voltage booster Page Page S1F76330 series S1F76330M1B0 Page Load characteristics Page External Components Page Page Page Page Page S1F71100 Series Top View SOP4-8pin Description of Operation Oscillator Soft Start Low-voltageProtection Circuit Overcurrent Protection Circuit Power Off Function Page Example of Standard Circuit Page S1F71200 Series Page Page Page Page Page Page Page Page Page Page Page Page Page Page S1F77200Y Series Page Page Page Page ELECTRIC CHARACTERISTICS Page Page Page Page Page Page Page Page Page Page Page Page EXAMPLES OF EXTERNAL CONNECTION SAMPLE CIRCUITS (S1F77210Y Series) SAMPLE CIRCUITS (S1F77200Y Series) PRECAUTIONS Page POWER DISSIPATION CONDITIONS PARAMETER SUMMARY Page Page Page EMBOSS CARRIER TAPING STANDARD (SOT89-3pin) Page EMBOSS CARRIER TAPING STANDARD (SOP3-8pin) Page Page EMBOSS CARRIER TAPING STANDARD (SOP5-14pin) Page Page EMBOSS CARRIER TAPING STANDARD (SOP2-24pin) Tape configuration Page Page AMERICA EUROPE ASIA Page Technical Manual