RT9267CC Richtek Technology Corporation, RT9267CC Datasheet
RT9267CC
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RT9267CC Summary of contents
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... Accuracy for All Channels PWM loop Minimized External Components Small TSSOP-16 Package Applications PDA Portable Instrument Wireless Equipment DSC LCD Back Bias Circuit RF-Tags Pin Configurations Part Number RT9267CC (Plastic TSSOP-16) RT9267 Pin Configurations TOP VIEW LX1 1 16 VDD 2 CE1 15 FB1 3 ...
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RT9267 Typical Application Circuit C1 1µF Chip Enable 2.5V Chip Enable + 1.3M 100pF 10µF R3 680K R5 R6 Low Battery Warning Output (open Collector) Pin Description Pin No. Pin Name 1 LX1 The switching pin for ...
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Function Block Diagram VDD LDOO LFB FB1 CE1 LBI LBO FB2 CE2 Absolute Maximum Ratings Supply Voltage LX Pin Switch Voltage LDO Output Voltage Other I/O Pin Voltages LX Pin Switch Current EXT Pin Driver Current LBO Current Power Dissipation, ...
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RT9267 Electrical Characteristics ( 1µ OUT A Parameter Section for Adaptive PWM Converters Start-Up Voltage Operating VDD Range Feedback Reference Voltage Switching Rate Maximum Duty LX ON Resistance Current Limit Setting ...
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Typical Operating Characteristics Feedback Voltage vs. Temperature 1.262 nd 2 PWM 1.260 1.258 st 1 PWM 1.256 1.254 1.252 V = 3.3V DD 1.250 -40 - Temperature ( C) Switching Frequency vs. VDD Pin Voltage 1000 900 st ...
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RT9267 LX Pin Wave Form & Output Ripple ≈ 200 0 -200 V = 1.8V 3.3V@ 10mA IN OUT Time (µS) LX Pin Wave Form & Output Ripple ...
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LX Pin Wave Form & Output Ripple ≈ 200 0 -200 V = 2.8V 3.3V@ 10mA IN OUT 100 125 150 175 200 225 250 Time (µS) LX Pin Wave ...
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RT9267 LDO Transient Response 400 2.5V IN OUT 200 I = 10mA ~ 100mA OUT 0 -200 ≈ 100 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25 Time (mS) LDO ...
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Package Information E A Symbol DS9267-02 September, 2002 Preliminary SEE VIEW Dimensions In Millimeters Min Max -- 1.20 0.05 0.15 0.80 1.05 0.19 ...
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RT9267 RICHTEK TECHNOLOGY CORP. Headquarter 5F, No. 20, Taiyuen Street, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611 www.richtek.com 10 Preliminary RICHTEK TECHNOLOGY CORP. Taipei Office (Marketing) 8F-1, No. 137, Lane 235, Paochiao Road, Hsintien City Taipei County, Taiwan, ...