PDF《Switch Mode Power Supply》

1 2 C2 {C2} R3 {R3} V10 {R2} V V d Rupper2 1k U5 OPAMP + - OUT + - + - S1 S VON =

2 VOFF =

1 0 L1 10uH

1 2 RL1 20m C4 220uF Rc1 {Rc} R1 {R} Vg1 AC =

0 DC =

5 U2 G_Diode RS = 0.001 BV =

50 N = 0.01 IS = 1e-15

0 Rupper1 30k R4 {R2} C5 {C1} U4 OPAMP + - OUT C6 {C3} Rlower1 10k C7 {C2} R5 {R3}

0 SMPS Pspice Simulations

33 33

33 33

2009 SWJ........