IRAM336-025SB
www.irf.com 13
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
-40-30-20-100 102030405060708090100110120130140150
Thermistor Tem perature - °C
Thermistor Pin Read-Out Voltage - V
Min
Avg.
Max
T
THERM
R
THERM
T
THERM
R
THERM
T
THERM
R
THERM
°C ƻ °C ƻ °C ƻ
-40 4397119 25 100000 90 7481
-35 3088599 30 79222 95 6337
-30 2197225 35 63167 100 5384
-25 1581881 40 50677 105 4594
-20 1151037 45 40904 110 3934
-15 846579 50 33195 115 3380
-10 628988 55 27091 120 2916
-5 471632 60 22224 125 2522
0 357012 65 18322 130 2190
5 272500 70 15184 135 1907
10 209710 75 12635 140 1665
15 162651 80 10566 145 1459
20 127080 85 8873 150 1282
Figure 11. Thermistor Readout vs. Temperature (12Kohm pull-up resistor, 5V) and
Normal Thermistor Resistance values vs. Temperature Table.
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
0 5 10 15 20
PWM Frequency - kHz
Recommended Bootstrap Capacitor - µF
1µF
1.5µF
2.2µF
3.3µF
4.7µF
10µF
Figure 12. Recommended Bootstrap Capacitor Value vs. Switching Frequency
