rt9263ccx5 Richtek Technology Corporation, rt9263ccx5 Datasheet
rt9263ccx5
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rt9263ccx5 Summary of contents
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... C: Commercial standard C : Chip enable control E : Driver for external power devices Typical Application Circuit + V IN Fig. 1 RT9263CCX5 Typical Application for Portable Instruments below 400mA DS9263-00 November 2001 Preliminary High Efficiency, Low Supply Current, Step-up DC/DC Converter Features 1.0V Low Start-up Input Voltage High Supply Capability to Deliver 3.3V 100mA with 1V Input Voltage 17µ ...
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... LX RT9263ECX5 EXT GND FB Fig Output Current Application L1 10µH VDD Q1 EXT NMOS RT9263ECX5 LX 0.1µF GND FB Rm 0.05~0.1Ω µ NMOS VDD 0.1 µ F RT9263CCX5 LX CE GND FB 100µ 1.6M 4.7µH 3.3V V OUT1 Q1 D1 NMOS 1N5819 R2 980K + C2 C1 1µF 100µF D1 15V ...
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... Function Block Diagram VDD FB CE VDD FB DS9263-00 November 2001 Preliminary RT9263CCX5 _ Loop Control Circuit 1.25V RT9263ECX5 _ Loop Control Circuit 1.25V RT9263 LX Q1 NMOS R1 GND EXT LX Q1 NMOS R1 GND www.richtek-ic.com.tw 3 ...
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... Output pin for driving external NMOS or NPN EXT When driving an NPN, a resistor should be added for limiting base Chip enable CE RT9263CCX5 gets into shutdown mode when CE pin set to low. VDD Input positive power pin of RT9263 Feedback input pin FB Internal reference voltage for the error amplifier is 1.25V. ...
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Electrical Characteristics (V = 1.5V, VDD set to 3.3V, Load Current = Parameter Start-UP Voltage Operating VDD Range No Load Current Switch-off Current I (VDD) Shutdown Current Feedback Reference ...
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RT9263 Typical Operating Charateristics Efficiency V OUT No Load Current Refer to Application Circuit Fig 1.2 1.5 Input Voltage (V) Start Up Voltage 1 25° ...
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Application Note Output Voltage Setting Referring to application circuits Fig.1 to Fig.4, the output voltage of the switching regulator (V be set with Eq. × OUT 1 R ...
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RT9263 Package Information Symbol www.richtek-ic.com.tw 8 Preliminary Dimensions In Millimeters Min Max 1.400 1.600 0.360 0.520 2.400 2.600 0.406 ...
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DS9263-00 November 2001 Preliminary RT9263 www.richtek-ic.com.tw 9 ...
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RT9263 RICHTEK TECHNOLOGY CORP. Headquarter 6F, No. 35, Hsintai Road, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5510047 Fax: (8863)5537749 www.richtek-ic.com.tw 10 Preliminary RICHTEK TECHNOLOGY CORP. Taipei Office (Marketing) 8F-1, No. 137, Lane 235, Paochiao Road, Hsintien City Taipei County, Taiwan, ...