L6219DSA
Table 3.
Pin #
Block diagram
Pin functions (continued)
Name
Description
This TTL-compatible logic inputs sets the direction of
current flow through the load. A high level causes current to
flow from output A (source) to output B (sink). A schmitt
trigger on this input provides good noise immunity and a
delay circuit prevents output stage short circuits during
switching
A voltage applied to this pin sets the reference voltage of the
comparators, this determining the output current (also thus
depending on Rs and the two inputs input 0 and input 1)
A parallel RC network connected to this pin sets the OFF
time of the higher power transistors. The pulse generator is
a monostable triggered by the output of the comparators (t
off
= 1.1 R
T
C
T
)
10, 16
Phase
11, 15
Reference voltage
12, 14
RC
13
24
V
SS
- Logic supply Supply voltage input for logic circuitry
V
S
- Load supply
Supply voltage input for the output stages
Note:
ESD on GND, V
S
, V
SS
, OUT 1 A and OUT 2 A is guaranteed up to 1.5 KV (human body
model, 1500 W, 100 pF).
Figure 3.
Timing diagram
Table 4.
Parameter
R
thj-case
R
thj-amb
Thermal data
Description
Thermal resistance junction-case
Thermal resistance junction-ambient
max.
max.
PDIP
18
75
(1)
Unit
°C/W
°C/W
1. With minimized copper area.
7/15
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