NJM2811 New Japan Radio Co.,Ltd, NJM2811 Datasheet
NJM2811
Related parts for NJM2811
NJM2811 Summary of contents
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... High Power DC/DC Converter Controller IC ■GENERAL DESCRIPTION The NJM2811 is a high power step down DC/DC converter IC. It incorporates 7.5A power transistor, ±2% accuracy precision voltage reference, fixed frequency PWM cycle-by-cycle current limit and low power consumption stand by function. The NJM2811 realizes a high power step down application with minimal external components. ■ ...
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... NJM2811 ■ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Maximum Supply Voltage Switch Output Voltage Voltage Feedback and Compensation Input Voltage Range Power Dissipation Operating Junction Temperature Operating Temperature Range Storage Temperature Range ■THERMAL CHARACTERISTICS Thermal Junction-to-Ambient Temperature Resistance Junction-to-Case ■POWER DISSIPATION vs. AMBIENT TEMPERATURE ...
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... OUT SYMBOL TEST CONDITION + V V Increasing TH(UVLO Decreasing H(UVLO) SYMBOL TEST CONDITION Icc STBY≤0.1V (stby) + Icc V =40V,V =0V FB duty⋅cycle=MAX NJM2811 MIN. TYP. MAX MIN. TYP. MAX. 4.9 5.0 – 0.03 – 0.15 – 80 4.2 4.9 – 1.6 MIN. TYP. MAX. – MIN ...
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... Output Source Current I Standby-State Power Supply Current vs. Supply Voltage (Ta=25 180 150 120 Supply Voltage Product Number (NJM2811TLA2050) Logo JRC Lot Number (A) SOURCE (V) Error AMP Block Output Saturation Voltage vs ...
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... V Decreasing 5.5 5 -50 - Ambient Temperature Ta ( Error AMP Block Input Bias Current vs. Temperature 75 100 125 150 100 125 150 100 125 150 o C) NJM2811 + (V =12V (th)+0.15V 0.4 0.3 0.2 0.1 0 -50 - 100 125 150 Ambient Temperature Ta ( Current Limit Threshold vs. Temperature ...
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... The switching duty is maximum 95%(typ.). 3) Over the 8.5A(typ.) current, the output switch will be OFF to operate current limit protection. The NJM2811 sense the switching current of power transistor. 4) Over the Tj=180°C(typ.), the switching will be OFF to operate thermal shutdown circuit. ...
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... MEMO NJM2811 [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights ...