rt8060a Richtek Technology Corporation, rt8060a Datasheet
rt8060a
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rt8060a Summary of contents
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... High Efficiency Step-Down Converter General Description The RT8060A is a current mode, high efficiency PWM step-down DC/DC converter that can support a wide input voltage range from 2.7V to 5.5V, while delivering output current. The current mode operation provides fast transient response and eases loop stabilization. ...
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... RT8060A Functional Pin Description Pin No. Pin Name 1 PGOOD 2 GND VIN 5 FB Function Block Diagram Slope Compensation FB Error Amplifier RC C COMP www.richtek.com 2 Power Good Indicator. Ground. Switch Node. Supply Input. Feedback Input. OSC & Current Shutdown Limit Control Detector Current Sense ...
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... REF V Rising IN V UVLO Hysteresis f SW VFB Falling VFB Rising 0.2A PFET 0.2A NFET LX I LIM V = 2. < I < 0.6A LOAD RT8060A + 0.3V) IN − 65°C to 150°C 2kV − 40°C to 85°C Min Typ Max Unit μ 0.588 0.6 0.612 V 2 2.3 2. 0.2 -- 1.2 1.5 1.8 MHz -- 85 -- ...
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... RT8060A Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may remain possibility to affect device reliability. Note 2. θ ...
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... 0.6A IN OUT 0.570 50 75 100 125 V OUT (50mV/Div) I OUT (500mA/Div 0.5A OUT 50 75 100 125 RT8060A Reference Voltage vs. Input Voltage 2.8 3.3 3.8 4.3 Input Voltage (V) Reference Voltage vs. Output Current 4.2V IN 0.0 0.2 0.4 0.6 Output Current (A) Load Transient Response V = 5.5V OUT Time (250μs/Div) www ...
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... RT8060A Line Transient Response V IN (2V/Div) V OUT (10mV/Div) Time (100μs/Div) Switching V OUT (20mV/Div) I Inductor (1A/Div (5V/Div) Time (250ns/Div) www.richtek.com 6 V OUT (20mV/Div) I Inductor (500mA/Div (5V/Div 100mA OUT 100 5.5V IN1 OUT Switching V = 5.5V, I IN1 Time (250ns/Div) PGOOD Threshold vs. Temperature ...
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... Applications Information The basic RT8060A 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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... C discharge C by the regulator to return V During this recovery time, V overshoot or ringing that would indicate a stability problem best, this ringing can couple to the output IN large enough to damage the IN LX RT8060A FB GND Figure 1. Output Voltage Setting R1 = × OUT ...
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... T is the maximum junction temperature, T J(MAX) the ambient temperature, and θ JA thermal resistance. For recommended operating condition specifications of the RT8060A, the maximum junction temperature is 125°C and T is the ambient temperature. The junction to ambient A thermal resistance, θ layout dependent. For SOT- JA 23-5 packages, the thermal resistance, θ ...
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... RT8060A Outline Dimension Symbol Richtek Technology Corporation Headquarter 5F, No. 20, Taiyuen Street, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611 Information that is provided by Richtek Technology Corporation is believed to be accurate and reliable. Richtek reserves the right to make any change in circuit design, specification or other related things if necessary without notice at any time ...