Datasheet

DocID6554 Rev 8 5/23
L6598 Electrical characteristics
23
V
ref
2, 4
Voltage to current
converters threshold
1.9 2 2.1 V
t
d
14
Deadtime between low
and high side conduction
0.2 0.27 0.35 µs
IVref 2, 4 Reference current 120 A
Timing section
k
ss
1 Soft-start timing constant C
ss
= 330 nF 0.115 0.15 0.185 s/µF
Sense op amp
l
IB
6, 7
Input bias current 0.1 µA
V
io
Input offset voltage -10 10 mV
R
out
5
Output resistance 200 300 ?
I
out-
Source output current V
out
= 4.5 V 1 mA
I
out+
Sink output current V
out
= 0.2 V 1 mA
V
ic
6,7
Op amp input common
mode range
-0.2 3 V
GBW
Sense op amp gain band
width product
(1)
0.5 1 MHz
Gdc DC open loop gain 60 80 dB
Comparators
Vthe1 8
Enabling comparator
threshold
0.56 0.6 0.64 V
Vthe2 9
Enabling comparator
threshold
1.05 1.2 1.35 V
tpulse 8,9 Minimum pulse length 200 ns
1. Guaranteed by design.
Table 4. Electrical characteristics (continued)
Symbol Pin Parameter Test condition Min. Typ. Max. Unit