7-1

Analyze the circuit in Figure 7-17. Calculate the following.

given:

Eunreg = 9 Vdc, Vload = 5 Vdc, Idc load = 0.8 Adc, L = 100 μH, C = 470 μF, ESR = 0.1 Ω, fosc = 150 kHz, Q = IRF530

find:

D, ton, Δipp L, iave L, ip L, Δνpp load, irms C, PQ, Pdiode, Idc in

LM2595 Simple Switcher Buck Regulator IC

7-5 An LM 2595 controller IC is added to Problem 7-1. Calculate the following,

given:

Rf = 11 kΩ, Ri = 3.6 kΩ, TA = 50°C

find:

Vdc load, PLM2595, ΘSA for the heat sink

7-9

Analyze the circuit in Figure 7-18. Calculate the following,

given:

Eunreg = 5 Vdc, Vload = 9 Vdc, Idc load = 0.8 Adc, L = 100 μH, C = 470 μF, fosc = 100 kHz, Q = IRF530

find:

D, ton, Δipp L, iave L, ip L, Δνpp load, irms C, PQ, Pdiode, Idc in

LM2585 Simple Switcher Flyback Regulator IC

7-13 An LM 2585 controller IC is added to Problem 7-11. Calculate the following,

given:

Rf = 7.5 kΩ, Ri = 1.1 kΩ, TA = 50°C

find:

Vdc load, PLM2585, ΘSA for the heat sink

7-19

Design the circuit in Figure 7-19. Calculate the following,

given:

Eunreg = 18 Vdc, Vload = 28 Vdc, Idc load = 0.5 Adc, Δνpp load = 0.03 Vpp

find:

a switching transformer (indicate manufacturer, part number, turns ratio and primary inductance)

Rf, Ri, Cout, Idc in

IC max voltage, IC average current, IC max current diode max voltage, diode max current PIC

Is this part of your assignment? ORDER NOW