TLE4727 Datasheet, PDF (10/22 Pages) Siemens Semiconductor Group – 2-Phase Stepper-Motor Driver

TLE 4727
Output Saturation Voltages V_sat
versus Output Current I_Q
2.0
V _sat
V
V _S = 14 V
T _j = 25 C
IED01771
1.5
V _satuC
1.0
V _satl
0.5
V _satuD
Forward Current I_F of Free-Wheeling
Diodes versus Forward Voltages V_F
1.0
Ι_{F A}
0.8
IED01198
V _Fl
V_Fu
0.6
T_j = 25 ˚C
0.4
0.2
0
0
0.2 0.4 0.6 A 0.8
Ι_Q
0
0
0.5
1.0 V 1.5
V_F
Typical Power Dissipation P_tot versus
Output Current I_Q (non stepping)
4
P _tot
W
3
L _{phase x} = 10 mH
R _{phase x} = 2 Ω
C _Osc = 2.2 nF
T_C = 25 C
both phases active
IED01772
2
V _S = 14 V
1
0
0
0.2 0.4 0.6 A 0.8
Ι_Q
Permissible Power Dissipation P_tot versus
Case Temp. T_C (measured at pin 5)
16
P _tot
W
IED01783
12
10
8
T _jmax =
6
150 C
120 C
4
2
0
-25 0 25 50 75 100 125 C 175
T_C
Semiconductor Group
10
1998-12-16