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ML9058E Datasheet(PDF) 18 Page - LAPIS Semiconductor Co., Ltd. |
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ML9058E Datasheet(HTML) 18 Page - LAPIS Semiconductor Co., Ltd. |
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18 / 76 page  FEDL9058E-01 LAPIS Semiconductor ML9058E 18/76 Function Pin name Number of pins I/O Description VRS 2 — These are the test pins for the LCD power supply voltage adjustment circuit. Leave these pins open. VOUT 2 I/O These are the output pins during voltage multiplication. Connect a capacitor between these pins and VSS. These are the multiple level power supply pins for the LCD power supply. The voltages specified for the LCD cells are applied to these pins after resistor network voltage division or after impedance transformation using operational amplifiers. The voltages are specified taking VSS as the reference, and the following relationship should be maintained among them. V1 V2 V3 V4 V5 V SS Master operation: When the power supply is ON, the following voltages are applied to V2 to V5 from the built-in power supply circuit. The selection of voltages is determined by the LCD bias set command. ML9058E V2 8/9 V1 6/7 V1 V3 7/9 V1 5/7 V1 V4 2/9 V1 2/7 V1 V5 1/9 V1 1/7 V1 V1 V2 V3 V4 V5 10 I/O VR 2 I Voltage adjustment pins. Voltages between V1 and VSS are applied using a resistance voltage divider. These pins are effective only when the internal resistors for voltage V1 adjustment are not used (IRS = “L”). Do not use these pins when the internal resistors for voltage V1 adjustment are used (IRS = “H”). VS1– 3 O These are the pins for connecting the negative side of the capacitors for voltage multiplication. Connect capacitors between these pins and VC3+, VC5+. VS2– 3 O These are the pins for connecting the negative side of the capacitors for voltage multiplication. Connect capacitors between these pins and VC4+, VC6+. VC3+ 3 O These are the input pins for voltage multiplication. Apply the voltage equal to VIN to the pins or leave them open, depending on voltage multiplication values. Power supply circuit VC4+ 3 O These are the pins for connecting the positive side of the capacitors for voltage multiplication. Connect capacitors between VS2– and these pins. For 3-time voltage multiplication, the pins are configured as inputs for voltage multiplication. |
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