S1F75510 Epson Electronics America, Inc., S1F75510 Datasheet
S1F75510
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S1F75510 Summary of contents
Page 1
... LCD, by use of a single input power of +2.7 through +3.6V. Since the S1F75510 does not require external transistors nor diodes as its voltage conversion circuit, its built- in CMOS transistors constituting a complete charge pump type DC/DC converter most suitable for the purpose of reducing the current consumption levels of the LCD modules ...
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... S1F75510 Built-in electric charge discharging circuit Built-in shut down function Shipping state ························································································· SSOP3–24pin This IC is not of the radiation resistant design nor of the light resistance design ...
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... This circuit effects 3 boosting in OUT3 OUT2 for the gate driver. This circuit effects 3 boosting in OUT4 OUT2 pin and V OUT3 level. SS S1F75510 level and, at the same time, when the SS level, the timing signal stops to interrupt – V using the V potential as the SS SS – V ...
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... S1F75510 PIN ASSIGNMENT SSOP3–24pin S1F75510M0A0 Pin No Pin name Pin No. C3N 13 C3P 14 C4P 15 C4N OUT3 C1N 19 C1P OUT1 C2P 22 C2N Pin name MODE CL POFFX OSC1 OSC2 OSCSEL ...
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... Normal mode DD DD LOW(V ) The boosting clock signals are being SS LOW(V ) HIGH(V ) Blank mode (internal oscillation LOW(V ) Blank mode (external oscillation) SS S1F75510 Function level while the level, operations of all SS pin and V pin to the V level. OUT4 SS level in case the SS Function generated through the internal oscillation ...
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... S1F75510 (2) 2 boosting circuit in the positive direction Pin name I/O Pin No OUT1 C1P (O) C1N (O) C2P (O) C2N (O) (3) Voltage stabilizing circuit Pin name I/O Pin No OUT1 V O OUT2 (4) 3 boosting circuit in the positive direction Pin name I/O Pin No OUT3 C3P (O) C3N (O) C4P ...
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... This is the pin to connect the positive side of the V voltage generating flying capacitor C6. 22 This is the pin to connect the negative side of the V voltage generating flying capacitor C6. 6 This is the input power pin (+). 12 This is the input power pin (–). S1F75510 Function output OUT4 output OUT4 output OUT4 output ...
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... S1F75510 FUNCTIONAL DESCRIPTION Operational description The S1F75510 is a power supply IC for TFT-LCD panel modules. With this IC chip alone, 3 positive and 3 negative levels of output voltages required for driving the LCD can be generated simultaneously by a single power input. The voltage converter circuit for the S1F75510 does not require an external transistor or diode since it is equipped with a charge pump type DC/DC converter configured with a built-in CMOS transistor, enabling low power consumption of the LCD module ...
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... Fig. 3 Potential correlation diagram inside the system CR oscillation circuit The S1F75510 incorporates a CR oscillation circuit as the oscillation circuit for the boosting clock signals. This circuit used connecting the external oscillation resistor ROSC between the OSC1 pin and the OSC2 pin. ...
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... S1F75510 Mode changeover circuit By external settings of the mode changeover signal MODE and the internal/external clock selection signal OSCSEL, the charge pump boosting can be driven under optimum frequencies. Since the current consumption of the IC can be suppressed drastically under the blank mode possible to achieve high power conversion efficiency even under light load operations ...
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... Fig. 4 Configuration diagram of the voltage stabilizing circuit Rev. 1.1 , the output voltage will drop to the value represented by the OUT1 IV OUT1 OUT1 pin should be Typ. +5.0V (TBD). OUT2 [Internal structure of the S1F75510] + – Voltage stabilizing circuit Reference voltage circuit 3 boosting circuit in the positive direction 3 boosting circuit in the negative direction S1F75510 pin ...
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... S1F75510 3 boosting circuit in the positive direction The 3 boosting circuit in the positive direction generates the V voltage for the gate driver. It makes 3 boosting in the positive direction of the potential difference occurring between the V – V using the V OUT2 SS through the V pin. OUT3 The theoretical equation (output voltage value under the idealistic non-load state) for the V ...
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... The negative power supply for gate driver V 5 The positive power supply for gate driver V Discharge circuit The S1F75510 is equipped with a built-in circuit that discharges the positive power supply for source driver (stabilized output positive power supply for gate driver V OUT2 ...
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... S1F75510 ABSOLUTE MAXIMUM RATINGS Item Input supply voltage Output voltage 1 Output voltage 2 Output voltage 3 Output voltage 4 Input pin voltage 1 Input current Output current 1 Output current 2 Output current 3 Output current 4 Allowable dissipation Operating temperature Storage temperature Soldering temperature and time <Note 1> The applicable pins are POFFX, OSC1, CL, MODE and OSCSEL. ...
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... CL = LOW (Fixed voltage) = 100 100 A OUT3 OUT4 OUT2 OUT2 OUT3 OUT3 = OUT3 OUT4 OUT2 OUT2 OUT3 OUT3 S1F75510 Rating Unit Remarks Typ. Max. 3.0 3.6 V — — — 0. — 0 200 280 A — ...
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... S1F75510 Characteristics of 2 boosting in the positive direction + stabilized output Item Symbol V output impedance RV OUT1 OUT1-1 (Normal mode) V output impedance RV OUT1 OUT1-2 (Blank mode OUT2 OUT2 Stabilized output voltage V Stabilized output RV OUT2 OUT2 saturated resistance <Note 5> 2.7V to 3.6V, Load condition <Note 6> ...
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... CCK t CL High pulse duration WHCK t CL Low pulse duration WICK Rev. 1.1 ( WHCK WLCK t CCK Rating Min. Typ. Max. 10 — 1000 2 — — 2 — — S1F75510 Applicable Unit Remarks pin — ...
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... S1F75510 REFERENCE EXTERNAL CONNECTION (AN EXAMPLE) Standard connection (+5V, +15V, –10V Output POFFX ROSC CL MODE OSCSEL Reference values for the external parts ROSC=1M C1=C2=CVOUT1=4.7 F CVOUT2=4.7 F C3=C4=CVOUT3=1.0 F C5=C6=CVOUT4=1 C1P C1 POFFX C1N + C2P C2 OSC1 C2N OSC2 CVOUT1 + V OUT1 V OUT2 CL CVOUT2 ...
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... Rev. 1 C1P C1 POFFX C1N + C2P C2 OSC1 C2N OSC2 CVOUT1 + V OUT1 V OUT2 CL CVOUT2 + MODE + C3P C3 OSCSEL C3N + C4P C4 C4N CVOUT3 + V OUT3 C5P + C5 C5N + C6P C6 C6N + C7 V OUT4 S1F75510 (V ) OUT1 V OUT2 +5V V OUT3 +15V + CVOUT4’ V ’ OUT4 * Note –15V D 19 ...
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... S1F75510 Recommended capacitance value of external capacitor and theoretical value of voltage biased to both pins Circuit name Kind of capacitor 2 boosting circuit Flying capacitor in the positive Flying capacitor direction Accumulation capacitor CVOUT1 Stabilizing circuit Smoothing capacitor CVOUT2 3 boosting circuit Flying capacitor in the positive Flying capacitor ...
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... FAX: 042–587–5564 ED International Marketing Department Asia 421-8 Hino, Hino-shi, Tokyo 191-8501, JAPAN Phone: 042–587–5814 FAX: 042–587–5110 Rev. 1 0.5 0.2 +0.1 0.22 –0.05 0.12 M 0.10 S1F75510 Unit : mm EPSON Electronic Devices Website http://www.epsondevice.com First issue July, 2001 Printed August, 2002 in Japan H 21 ...