L6228 STMicroelectronics, L6228 Datasheet - Page 3

• Manufacturer Part Number: L6228
• Description: DMOS DRIVER FOR BIPOLAR STEPPER MOTOR
• Manufacturer: STMicroelectronics

THERMAL DATA
(1)
(2)
(3)
(4)
PIN CONNECTIONS (Top View)
(5)
R
R
R
R
R
Symbol
R
th-j-amb1
th-j-amb1
th-j-amb1
th-j-amb2
th-j-case
th-j-pins
Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the bottom side of 6cm
Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6cm
Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6cm
and a ground layer.
Mounted on a multi-layer FR4 PCB without any heat sinking surface on the board.
The slug is internally connected to pins 1,18,19 and 36 (GND pins).
HALF/FULL
CW/CCW
SENSE
SENSE
CLOCK
OUT1
OUT1
VREF
GND
GND
Maximum Thermal Resistance Junction-Pins
Maximum Thermal Resistance Junction-Case
Maximum Thermal Resistance Junction-Ambient
Maximum Thermal Resistance Junction-Ambient
Maximum Thermal Resistance Junction-Ambient
Maximum Thermal Resistance Junction-Ambient
RC
RC
A
A
A
B
B
B
B
PowerDIP24/SO24
1
2
3
4
5
6
7
8
9
10
11
12
D99IN1083
Description
24
23
22
21
20
19
18
17
16
15
14
13
VREF
RESET
VCP
OUT2
VS
GND
GND
VS
OUT2
VBOOT
EN
CONTROL
A
B
A
A
B
(1)
(2)
(3)
(4)
CW/CCW
SENSE
CLOCK
RESET
OUT2
VREF
OUT1
GND
GND
VCP
N.C.
N.C.
N.C.
RC
N.C.
N.C.
N.C.
VS
PowerDIP24
A
A
A
A
A
A
19
44
59
-
-
-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
PowerSO36
D99IN1084
2
2
SO24
(with a thickness of 35µm), 16 via holes
(with a thickness of 35µm).
15
55
78
-
-
-
2
(with a thickness of 35µm).
(5)
PowerSO36
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
36
16
63
2
-
-
GND
N.C.
N.C.
VS
OUT2
N.C.
VBOOT
EN
CONTROL
HALF/FULL
VREF
SENSE
RC
N.C.
OUT1
N.C.
N.C.
GND
B
B
B
B
B
B
L6228
Unit
C/W
C/W
C/W
C/W
C/W
C/W
3/26