stk672-050-e ON Semiconductor, stk672-050-e Datasheet - Page 3

• Manufacturer Part Number: stk672-050-e
• Description: Thick-film Hybrid Ic Unipolar Constant-current Chopper External Excitation Pwm Circuit With Built-in Microstepping Controller Stepping Motor Driver Sine Wave Drive Output Current 3.0a No Heat Sink*
• Manufacturer: ON Semiconductor

Electrical Characteristics at Tc = 25°C, V CC 1 = 24V, V CC 2 = 5V
Note: A constant-voltage power supply must be used.
Package Dimensions
unit:mm (typ)
4164
Control supply current
Output saturation voltage
Average output current
FET diode forward voltage
[Control Inputs]
Input voltage
Input current
[Vref Input Pin]
Input voltage
Input current
[Control Outputs]
Output voltage
[Current Distribution Ratio (A·B)]
2W1-2, W1-2, 1-2
2W1-2, W1-2
2W1-2
2W1-2, W1-2, 1-2
2W1-2
2W1-2, W1-2
2W1-2
2
PWM frequency
3.6
The design target value is shown for the current distribution ratio.
(9.0)
1
Parameters
2.0
21 2 = 42
67.0
60.0
22
0.5
Symbols
Ioave
V OH
Vsat
V OL
Vref
Vref
Vref
Vref
Vref
Vref
Vref
Vref
I CC
V IH
Vdf
V IL
I IH
I IL
V I
fc
I I
Pin 7, with ENABLE pin held low.
R L = 7.5Ω (I ≈ 3A)
Load: R = 3.5Ω / L = 3.8mH
For each phase, Vref ≈ 0.6V
If = 1A
Except for the Vref pin
Except for the Vref pin
Except for the Vref pin
Except for the Vref pin
Pin 8
Pin 8
I = –3mA, pins MOI, MO1, MO2
I = +3mA, pins MOI, MO1, MO2
θ = 1/8
θ = 2/8
θ = 3/8
θ = 4/8
θ = 5/8
θ = 6/8
θ = 7/8
STK672-050-E
9.0
0.4
2.9
Conditions
min
0.45
125
2.4
37
4
0
0
Rating
typ
0.50
250
100
100
4.5
1.4
1.2
92
83
71
55
40
20
47
1
1
max
0.55
510
2.6
1.8
2.5
0.4
No.5228-3/19
15
10
57
1
kHz
unit
mA
μA
μA
μA
%
%
%
%
%
%
%
%
V
A
V
V
V
V
V
V