AN3400 datasheet(4/78 Pages) STMICROELECTRONICS

4 / 78 page

List of figures

AN3400

4/78

Doc ID 018840 Rev 1

List of figures

Figure 1.

Complementary pair circuital topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 2.

Steady-state waveforms: filter capacitor voltage signal (V(t)), NPN base current (Ibnpn)

and PNP base current (Ibpnp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 3.

Steady-state waveforms: filter capacitor voltage signal (V(t)), NPN collector current (ICnpn)

and PNP collector current (ICpnp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 4.

Steady-state waveforms: filter capacitor voltage signal (V(t)), NPN collector-emitter voltage

(VCEnpn) and PNP emitter-collector voltage (VECpnp) . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 5.

Steady-state waveforms: filter capacitor voltage signal (V(t)), NPN base-emitter voltage

(VBEnpn) and PNP emitter-base voltage(VEBpnp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 6.

Steady-state waveforms: filter capacitor voltage signal (V(t)), NPN base series capacitor

voltage (VCnpn) and PNP base series capacitor voltage (VCpnp). . . . . . . . . . . . . . . . . . . 13

Figure 7.

First stage: first re-circulating phase before the NPN conduction time . . . . . . . . . . . . . . . . 15

Figure 8.

First stage: second re-circulating phase before the NPN conduction time . . . . . . . . . . . . . 17

Figure 9.

Second stage: NPN conduction phase with filter capacitor charge . . . . . . . . . . . . . . . . . . 18

Figure 10.

Second stage: NPN conduction phase with filter capacitor discharge . . . . . . . . . . . . . . . . 18

Figure 11.

Third stage: NPN storage phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 12.

Fourth stage: dead time after NPN conduction phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 13.

Fifth stage: first re-circulating phase before the PNP conduction time . . . . . . . . . . . . . . . . 22

Figure 14.

Fifth stage: first re-circulating phase before PNP conduction time with PNP device working

in reverse active region. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 15.

Fifth stage: second re-circulating phase before the PNP conduction time . . . . . . . . . . . . . 24

Figure 16.

Sixth stage: PNP conduction phase with filter capacitor charge. . . . . . . . . . . . . . . . . . . . . 26

Figure 17.

Sixth stage: PNP conduction phase with filter capacitor discharge . . . . . . . . . . . . . . . . . . 26

Figure 18.

Seventh stage: PNP storage phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 19.

Eighth stage: dead time phase after PNP conduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 20.

Driving network modeling for the NPN bipolar conduction phase simulation . . . . . . . . . . . 31

Figure 21.

Driving network modeling for the simulation of the first re-circulating phase preliminary to

the NPN bipolar conduction time phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 22.

Driving network modeling for the simulation of the second re-circulating phase preliminary to

the NPN bipolar conduction time phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 23.

Driving network modeling for the NPN bipolar storage time phase simulation . . . . . . . . . . 40

Figure 24.

Variability of the extractive current negative peak IBnpn-off versus variability of the integer

n with storage time fixed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figure 25.

Driving network modeling for the simulation of the dead time phase after the NPN bipolar

storage time phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Figure 26.

Driving network modeling for the simulation of the first re-circulating phase preliminary to the

PNP bipolar conduction time phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Figure 27.

Driving network modeling for the simulation of the second re-circulating phase preliminary to

the PNP bipolar conduction time phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Figure 28.

Driving network modeling for the PNP bipolar conduction time phase simulation . . . . . . . 50

Figure 29.

Driving network modeling for the PNP bipolar storage time phase simulation . . . . . . . . . . 52

Figure 30.

Driving network modeling for the simulation of the dead time after the PNP storage time

phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Figure 31.

STX83003 (NPN) bipolar transistor during steady-state operation with 230 V input voltage:

base current (IB1), collector current (IC1), base-emitter voltage (VBE1) and collector-emitter

voltage (VCE1) signals acquired . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Figure 32.

STX83003 (NPN) bipolar transistor during steady-state operation with 230 V input voltage:

base current (IB1), collector current (IC1), voltage on base series capacitor Cn (VCN) and

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