AN2123 STMicroelectronics, AN2123 Datasheet - Page 4

• Manufacturer Part Number: AN2123
• Description: TD351 Advanced IGBT Driver Principles of operation and application
• Manufacturer: STMicroelectronics

Output stage
4 Output stage
The output stage is able to sink/source about 1.7 A / 1.3 A typical at 25°C with a voltage drop VOL/VOH
of 6 V (see
are 1 A sink and 0.75 A source. VOL and VOH voltage drops at 0.5 A are guaranteed to 2.5 V and 4 V
maximum respectively, over the temperature range (see
IGBT driving, and the IGBT gate resistor should not be lower than about 15Ω.
Figure 6. Typical Output stage current capability at 25°C (VH=16V)
Figure 7. Typical VOL and VOH voltage variation with temperature
4/15
2.5
2.0
1.5
1.0
0.5
0.0
4.0
3.0
2.0
1.0
0.0
-50
0
Figure
OUT source current versus voltage (turn-on)
-25
High level output voltage vs. Temperature
6). The minimum sink/source currents over the full temperature range (-20°C/+125°C)
0
5
Iosource=20mA
Vout (V)
25
Temp (°C)
Iosource=500mA
50
10
75
100
15
125
3.0
2.0
1.0
0.0
2.5
2.0
1.5
1.0
0.5
0.0
Figure
-50
0
7). This current capability sets the limit of
-25
OUT sink current versus voltage (turn-off)
Low level output voltage vs. Temperature
0
5
Iosink=500mA
25
Vout (V)
Temp (°C)
50
10
Iosink=20mA
75
100
AN2123
15
125