MP1583DN ETC-unknow, MP1583DN Datasheet
MP1583DN
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MP1583DN Summary of contents
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... Ordering Information Part Number ∗ Package MP1583DS SOIC8 MP1583DN SOIC8 w/ Exposed Paddle MP1583DP PDIP8 EV0015 MP1583DN Evaluation Board ∗ For Tape & Reel use suffix - Z (e.g. MP1583DS-Z) Figure 1: Typical Application Circuit INPUT 4.75 to 23V IN EN MP1583 S S GND MP1583 Rev 2.0_06/30/04 Features ...
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Monolithic Power Systems Absolute Maximum Ratings Supply Voltage V IN Switch Voltage V - Boost Voltage V V -0. All Other Pins Junction Temperature Lead Temperature Storage Temperature -65°C to 150°C Electrical Characteristics ...
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Monolithic Power Systems Pin Description Exposed Pad on Connect to Pin 4. Table 1: Pin Designators # Name Description High-Side Gate Drive Boost Input. BS supplies the drive for the high-side n-channel MOSFET 1 BS switch. Connect a 4.7nF or ...
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Monolithic Power Systems Figure 2: Functional Block IN 2 Internal Regulators Oscillator 42/380KHz Shutdown Comparator 0. 2.285/2.495V Lockout Comparator Frequency 0.7V Foldback FB Comparator 5 Functional.Description The MP1583 is a current-mode step-down regulator. It regulates input voltages from ...
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Monolithic Power Systems Inductor The inductor is required to supply constant current to the output load while being driven by the switched input voltage. inductor results in less ripple current that in turn results in lower output ripple voltage. However, ...
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Monolithic Power Systems Where V is the output ripple voltage, V RIPPLE is the input voltage the resonant LC frequency of the LC filter frequency. In the case of tanatalum or low- ESR electrolytic capacitors, dominates ...
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Monolithic Power Systems The system has one zero of importance, due to the compensation capacitor (C3) and the compensation resistor (R3). The zero is (2π*R3*C3 large value capacitors with relatively high equivalent-series-resistance (ESR) are ...
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Monolithic Power Systems Determine if the second compensation capacitor required required if the ESR zero of the output capacitor happens at less than four times the crossover frequency. Or: 8π* OUT ESR C where ...
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Monolithic Power Systems Figure 5: MP1583 Soft Start Plot: No Soft-Start Cap (V =10V, V =3.3V, Load=1A resistive) cap IN OUT Figure 7: MP1583 Start Up Plots: 0.1µF soft-start cap (V =10V, V =3.3V, Load=1A resistive) IN OUT MP1583 Rev ...
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Monolithic Power Systems Figure 8: MP1583 Efficiency vs Load (V 100.0% 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 50.0% 0 500 1000 Figure 9: MP1583 Efficiency vs Load (V 100.0% 90.0% 80.0% 70.0% 60.0% 50.0% 0 500 1000 ...
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Monolithic Power Systems NOTE 2 0.050(1.270)BSC 0.189(4.800) 0.197(5.004) 0.053(1.350) 0.068(1.730) NOTE: 1) Control dimension is in inches. Dimension in bracket is millimeters. 2) Exposed Pad Option Only (N-Package) ; 2.55+/- 0.25mm x 3.38 +/- 0.44mm. Recommended Solder Board Area: 2.80mm ...