rt8010 Richtek Technology Corporation, rt8010 Datasheet
rt8010
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rt8010 Summary of contents
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... The RT8010 high-efficiency Pulse-Width-Modulated (PWM) step-down DC-DC converter. Capable of delivering 1A output current over a wide input voltage range from 2.5V to 5.5V, the RT8010/A is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources such as cellular phones, PDAs and hand-held devices. ...
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... Inductor by wide and IN short trace, keep between V and DD sensitive compontents GND as closer as away from this trace possible Layout note: 1. The distance that C connects should be placed near RT8010/A. OUT www.richtek.com VIN RT8010/A 4.7uF 2 EN VOUT ...
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... Pin for Switching. (Pin 13 must be connected with Pin 14) GND Ground. FB/VOUT Feedback/Output Voltage Pin. EN OSC & Shutdown Control Current Sense PWM Comparator RC UVLO & Power Good Detector V REF RT8010/A Pin Function VIN Current Limit Detector Control Driver Logic GND RS1 LX RS2 www.richtek.com 3 ...
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... RT8010/A Absolute Maximum Ratings Supply Input Voltage ------------------------------------------------------------------------------------------------------ 6.5V EN, FB Pin Voltage ------------------------------------------------------------------------------------------------------- −0. Power Dissipation 25° WDFN-6L 2x2 -------------------------------------------------------------------------------------------------------------- 0.606W WQFN-16L 3x3 ------------------------------------------------------------------------------------------------------------ 1.47W Package Thermal Resistance (Note 4) WDFN-6L 2x2, θ --------------------------------------------------------------------------------------------------------- 165°C/W JA WDFN-6L 2x2, θ -------------------------------------------------------------------------------------------------------- 20°C/W JC WQFN-16L 3x3, θ ------------------------------------------------------------------------------------------------------- 68°C/W JA WQFN-16L 3x3, θ ...
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... V LIM_P 2.5V to 5.5V EN_H 2.5V to 5.5V EN_L 3.6V 100mA OSC IN OUT 3.6V 25° high effective four layers thermal conductivity test board of A RT8010/A Min Typ (Note 5) −3 -- (Note 5) −3 -- (Note 5) − − 3.6V ...
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... RT8010/A Typical Operating Characteristics Efficiency vs. Output Current 100 3.3V, OUT 0 0 0.1 0.2 0.3 0.4 Output Current (A) Efficiency vs. Output Current 100 1.2V, OUT 0 0 0.1 0.2 0.3 0.4 Output Current (A) EN Pin Threshold vs. Input Voltage 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 2.5 2.8 3.1 3.4 3.7 Input Voltage (V) www.richtek.com ...
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... Output Current Limit vs. Input Voltage 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 2.5 2.8 3.1 3.4 3.7 Input Voltage (V) DS8010/A-02 March 2007 0.5 0.6 0.7 0.8 0 1.2V, = 300mA OUT OUT 4 4.3 4.6 4.9 5.2 5.5 ° 1. OUT A 4 4.3 4.6 4.9 5.2 5.5 RT8010/A Output Voltage vs. Temperature 1.25 1.24 1.23 1.22 1.21 1.20 1.19 1.18 1.17 1.16 V 1.15 -40 -25 - Temperature (°C) Frequency vs. Temperature 1.60 1.55 1.50 1.45 1.40 1.35 1.30 1. 3.6V 1.2V, IN OUT 1.20 -40 -25 - Temperature (°C) Output Current Limit vs. Temperature 2 5.0V 2 ...
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... RT8010/A Power On from 3.6V 1.2V OUT V EN (2V/Div) V OUT (1V/Div (500mA/Div) Time (100μs/Div) Power On from VIN 1.2V OUT V IN (2V/Div) V OUT (1V/Div (1A/Div) Time (250μs/Div) Load Transient Response V = 3.6V 1.2V IN OUT I = 50mA to 1A OUT ac V OUT ...
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... OUT (10mV/Div (2V/Div) Time (500ns/Div) DS8010/A-02 March 2007 Load Transient Response 1.2V IN OUT I = 50mA to 0.5A OUT ac V OUT (50mV/Div) I OUT (500mA/Div) Time (50μs/Div) Output Ripple Voltage 1.2V IN OUT OUT V OUT (10mV/Div (2V/Div) Time (500ns/Div) RT8010/A www.richtek.com 9 ...
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... RT8010/A Applications Information The basic RT8010/A application circuit is shown in Typical Application Circuit. External component selection is determined by the maximum load current and begins with the selection of the inductor value and operating frequency followed by C and OUT Inductor Selection For a given input and output voltage, the inductor value and operating frequency determine the ripple current. The ripple current Δ ...
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... V be more pronounced at higher supply voltages OUT REF R2 is the internal reference voltage (0.6V typ.) REF to ground f and Q are the gate charges of the internal top T B and thus their effects will IN RT8010 loss that is typically IN www.richtek.com 11 ...
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... P D(MAX) WDFN-6L 2x2 packages The maximum power dissipation depends on operating ambient temperature for fixed T resistance θ www.richtek.com 12 For RT8010/A packages, the Figure 5 of derating curves . In allows the designer to see the effect of rising ambient L temperature on the maximum power allowed. 1.6 1.4 1.2 x (1−DC) 1.0 0.8 ...
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... C IN OUT Package (uF) 4.7 603 4.7 603 4.7 603 10 603 10 805 10 805 10 805 10 805 RT8010/A Figure 7. Top Layer Figure 8. Bottom Layer Dimensions (mm) 3.00 x 3.00 x 1.50 3.85 x 3.85 x 1.80 4.50 x 3.20 x 1.55 4.50 x 3.20 x 1.55 3.00 x 3.00 x 1.50 3.85 x 3.85 x 1.80 Part Number C1608JB0J475M GRM188R60J475KE19 JMK107BJ475RA JMK107BJ106MA C2012JB0J106M GRM219R60J106ME19 GRM219R60J106KE19 JMK212BJ106RD Series NR 3015 GTSD32 ...
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... RT8010/A Outline Dimension Symbol www.richtek.com SEE DETAIL Note : The configuration of the Pin #1 identifier is optional, but must be located within the zone indicated. Dimensions In Millimeters Min Max 0.700 0.800 0.000 0.050 0.175 ...
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... W-Type 16L QFN 3x3 Package Richtek Technology Corporation Taipei Office (Marketing) 8F, No. 137, Lane 235, Paochiao Road, Hsintien City Taipei County, Taiwan, R.O.C. Tel: (8862)89191466 Fax: (8862)89191465 Email: marketing@richtek.com RT8010 DETAIL A Pin #1 ID and Tie Bar Mark Options Dimensions In Inches Min Max 0 ...