P. 1 © 2016 ROHM Co.,Ltd.

Phase-Shift Resonant Converter Vo=12V Io=100A

Phase-Shift Resonant Converter Simulation Circuit

Input: Vin=400V Output: Vo=12V Io=100A PWM: fsw=200kHz Gate Drive: Vd=10V/Vs=-2V td1=100ns td2=100ns Rg source1=5Ω Rg sink1=2Ω Rg source2=5Ω Rg sink2=2Ω Q1,2,3,4: R6011ENX Si MOSFET (600V 11A) D1,2,3,4,5,6: RB238T100 Si SBD (100V 20A+20A) TX1: 500uH : 0.8uH+0.8uH K=1 L1: 5uH L2: 5uH Tj: 100℃

SIMetrix SPICE Simulation Data File

P. 2 © 2016 ROHM Co.,Ltd.

Vo (V)

IL1 (A)

Red: Id_Q1 (A)

Green: Is_Q2 (A)

Red: Id_Q3 (A)

Green: Is_Q4 (A)

Red: If_D1+D2+D3 (A) Green: If_D4+D5+D6 (A)

Simulation Waveform

IL1, Vo

If_D1+D2+D3, If_D4+D5+D6

Id_Q1,3, Is_Q2,4 （0～5ms) （2.00ms～2.01ms)

P. 3 © 2016 ROHM Co.,Ltd.

Red: Id_Q1 (A) Green: Is_Q2 (A)

Red: Id_Q1 (A) Green: Is_Q2 (A)

Green: Q2.2-Q2.3

Red: Q1.2-Q1.3

Olive: Q2.22-Q2.3(inner Gate) Blue: Q1.22-Q1.3(inner Gate)

Red: Q1.2-Q1.3

Green: Q2.2-Q2.3

Blue: Q1.22-Q1.3(inner Gate) Olive: Q2.22-Q2.3(inner Gate)

Is_Q2, Id_Q1

Vgs_Q2, Q1

Q2: on off

Q1: off on

Id_Q1, Is_Q2

Vgs_Q1,Q2

Q1: on off

Q2: off on

Switching Waveform

P. 4 © 2016 ROHM Co.,Ltd.

Efficiency, Power Dissipation

Vin: 350V ~ 450V Io: 20A ~ 100A

Efficiency Efficiency

Power Dissipation (W/pc) Power Dissipation (W/pc)

Blue: D1,2,3,4,5,6

Red: Q1,2

Green: Q3,4

Red: Q1,2

Green: Q3,4

Blue: D1,2,3,4,5,6

Io=100A Tj=100℃

fsw=200kHz

Vin=400V Tj=100℃

fsw=200kHz

P. 5 © 2016 ROHM Co.,Ltd.

Efficiency, Power Dissipation, Switching Frequency

Tj: -25℃ ~ 125℃ fsw: 100kHz ~ 300kHz

Efficiency

Power Dissipation (W/pc)

Blue: D1,2,3,4,5,6

Red: Q1,2

Green: Q3,4

Red: Q1,2

Green: Q3,4

Blue: D1,2,3,4,5,6

Power Dissipation (W/pc)

Efficiency

Vin=400V Io=100A

fsw=200kHz

Vin=400V Io=100A

Tj=100℃