L6223A ST Microelectronics, Inc., L6223A Datasheet - Page 2

• Manufacturer Part Number: L6223A
• Description: Dmos Programmable High Speed Unipolar Stepper Motor Driver
• Manufacturer: ST Microelectronics, Inc.

L6223A
signed to work with a single sense resistor. Dur-
ing chopping t(OFF) time the current is reduced
by half, improving efficiency. Higher current appli-
cations can be achieved by paralleling two
ABSOLUTE MAXIMUM RATINGS
( * ) Oscillator running
( ** ) 4 cm
PIN CONNECTION ( top wiew )
THERMAL DATA
2/33
Symbol
R
R
V
V
T
thj-amb
thj-pins
V
P
stg,
Opeak
sense
V
V
I
2
V
I
ph
SS
pl
tot
S
O
I
copper area on PCB, see fig. 34
T
j
Thermal Resistance Junction-pins
Thermal Resistance Junction-ambient
Logic supply
Supply voltage
Logic input voltage (*)
Output voltage
Output peak voltage (tpk = 5 s,10% d.c.)
Output sink peak current d.c. 10% t(on) = 10 s
Output source peak current d.c. 10%,t(on) = 10 s
Total power dissipation: T
Sensing voltage
Storage and junction temperature
T
pins
amb
Parameter
= 90 C
= 70 C (**)
L6223A. The L6223A is mounted in a 20-lead
Powerdip package, (16+2+2). Four ground leads
conduct heat to dedicated heatsink area on the
PCB.
Max
Max
– 0.3V to V
– 1V to V
– 40 to 150
Value
100
125
4.3
50
7
3
6
2
14
60
SS
SS
Unit
C/W
C/W
W
W
V
V
V
V
A
A
C