Datasheet

Electrical characteristics L6598
4/23 DocID6554 Rev 8
2 Electrical characteristics
V
S
= 12 V; V
BOOT
- V
OUT
= 12 V; T
A
= 25 °C
Table 4. Electrical characteristics
Symbol Pin Parameter Test condition Min. Typ. Max. Unit
Supply voltage
V
suvp
12
V
S
turn on threshold 10 10.7 11.4 V
V
suvn
V
S
turn off threshold 7.3 8 8.7 V
V
suvh
Supply voltage under
voltage hysteresis
2.7 V
V
cl
Supply voltage clamping 14.6 15.6 16.6 V
I
su
Start up current V
S
< V
suvn
250 µA
I
q
Quiescent current, fout =
60 kHz, no load
V
S
> V
suvp
2 3 mA
High voltage section
I
bootleak
16
BOOT pin leakage
current
V
BOOT
= 580 V 5 µA
I
outleak
14 OUT pin leakage current V
OUT
= 562 V 5 µA
R
DSon
16
Bootstrap driver on-
resistance
100 150 300 
High/low side drivers
I
hvgso
15
High side driver source
current
V
HVG
- V
OUT
= 0 170 250 mA
I
hvgsi
High side driver sink
current
V
HVG
- V
BOOT
= 0 300 450 mA
I
lvgso
11
Low side driver source
current
V
LVG
- GND = 0 170 250 mA
I
lvgsi
Low side driver sink
current
V
LVG
- V
S
= 0 300 450 mA
t
rise
15,11
Low/high side output rise
time
C
load
= 1 nF 80 120 ns
t
fall
C
load
= 1 nF 40 80 ns
Oscillator
DC
14
Output duty cycle 48 50 52 %
f
min
Minimum output
oscillation frequency
C
f
= 470 pF;
R
fmin
= 50 k
58.2 60 61.8 kHz
f
start
Soft-start output
oscillation frequency
C
f
= 470 pF;
R
fmin
= 50 k;
R
fstart
= 47k
114 120 126 kHz