APU3037AM A-POWER [Advanced Power Electronics Corp.], APU3037AM Datasheet
APU3037AM
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APU3037AM Summary of contents
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... APU3037O APU3037M/ APU3037AO APU3037AM/AMP 8-Pin Plastic SOIC NB (M/MP) Data and specifications subject to change without notice. Technology Licensed from International Rectifier 8-PIN SYNCHRONOUS PWM CONTROLLER DESCRIPTION The APU3037 controller IC is designed to provide a low cost synchronous Buck regulator for on-board converter applications. With the migration of today’ ...
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APU3037 / APU3037A ABSOLUTE MAXIMUM RATINGS Vcc Supply Voltage .................................................. 25V Vc Supply Voltage ...................................................... 30V (not rated for inductive load) Storage Temperature Range ...................................... -65°C To 150°C Operating Junction Temperature Range ..................... CAUTION: Stresses above those listed in "Absolute ...
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PARAMETER SYM Error Amp Fb Voltage Input Bias Current I FB1 Fb Voltage Input Bias Current I FB2 Transconductance g Oscillator Frequency Freq Ramp-Amplitude Voltage V RAMP Output Drivers Rise Time T Fall Time T Dead Band Time T Max ...
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APU3037 / APU3037A BLOCK DIAGRAM 3V 20uA 64uA Max SS/SD 8 POR 1.25V Error Amp 25K 25K Fb 1 Comp 7 Figure 2 - Simplified block diagram of the APU3037. THEORY OF OPERATION Introduction The APU3037 is a fixed frequency, ...
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APPLICATION INFORMATION Design Example: The following example is a typical application for APU3037, the schematic is Figure 18 on page 14 3.3V OUT OUT DV = 100mV OUT f = 200KHz ...
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APU3037 / APU3037A Assuming the following 1%(V ), Efficiency( 3.3ms 2.93A ...
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For this design, AP60T03GH is a good choice. The device provides low on-resistance in a TO-252 package. The AP60T03GH has the following data 30V DSS 0.012V DS(ON) The total conduction losses will ...
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APU3037 / APU3037A Note that this method requires that the output capacitor should have enough ESR to satisfy stability requirements. In general the output capacitor’s ESR generates a zero typically at 5KHz to 50KHz which is essential for an acceptable ...
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For a general solution for unconditionally stability for any type of output capacitors wide range of ESR values we should implement local feedback with a compensa- tion network. The typically used compensation network for voltage-mode controller is shown ...
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APU3037 / APU3037A 6) Place second pole at the ESR zero ESR Check if R > too small, ...
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TYPICAL PERFORMANCE CHARACTERISTICS APU3037 / APU3037A APU3037A Vcc vs. Icc @470PF, 1150PF and 1540PF Gate Load C =1540pF LOAD 4 ...
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APU3037 / APU3037A TYPICAL PERFORMANCE CHARACTERISTICS ...
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TYPICAL PERFORMANCE CHARACTERISTICS Min ...
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APU3037 / APU3037A TYPICAL APPLICATION Single Supply 5V Input D3 1N4148 C3 C4 0.1uF 1uF Vcc Vc HDrv U1 SS/SD C8 APU3037 0.1uF LDrv Comp C9 Fb 680pF Gnd R4 105K Figure 18 - Typical application of APU3037 in an ...
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TYPICAL APPLICATION Dual Supply, 5V Bus and 12V Bias Input 5V 12V C 4 0.1uF V c Vcc HDrv U1 SS/ APU3037 0.1uF LDrv Gnd ...
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APU3037 / APU3037A TYPICAL APPLICATION 1.8V to 7.5V / 0.5A Boost Converter Vpwr (1.5V Min) Vc/Vcc R 1 20K 2N2222 10K 100pF Q1 2N2222 R 3 20K Figure 20 - Typical application of APU3037 as a boost ...
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DEMO-BOARD APPLICATION 5V or 12V to 3.3V @ 10A 1uH 5V or 12V D4 C1 LL4148 33uF 16V Gnd Vcc C8 1uF SS/SD U1 APU3037 C5 0.1uF Comp C4 2200pF Gnd R3 20K Figure 21 - Demo-board ...
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APU3037 / APU3037A DEMO-BOARD WAVEFORMS V =5.0V, V =3.3V IN OUT 100 Output Current (A) Figure 22 - Efficiency for APU3037 Evaluation Board. Vss APU3037 V OUT ...