Datasheet

Electrical characteristics L6591
8/41 Doc ID 14821 Rev 6
4 Electrical characteristics
T
J
= 0 to 105 °C, Vcc = 15 V, V
BOOT
= 12 V, C
HVG
= C
LVG
= 1 nF; R
T
= 22 kΩ, C
T
= 330 pF;
unless otherwise specified.
Table 4. Electrical characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
IC supply voltage
Vcc
Operating range after
turn-on
V
COMP
> V
COMPL
11.3 22
V
V
COMP
= V
COMPL
9.2 22
Vcc
On
Turn-on threshold
(1)
13 14 15 V
Vcc
Off
Turn-off threshold
(1)
V
COMP
> V
COMPL
9.7 10.5 11.3
V
(1)
V
COMP
= V
COMPL
8.2 8.7 9.2
Hys Hysteresis V
COMP
> V
COMPL
3.0 3.5 V
V
Z
Vcc clamp voltage Icc = 15 mA 22 25 28 V
Supply current
I
startup
Startup current
Before turn-on,
Vcc = 12.5 V
190 250 µA
Iq Quiescent current After turn-on 2.8 3.5 mA
Icc Operating supply current 5.3 8mA
Iq
dis
Shutdown quiescent
current
V
DIS
> 4.5 V,
V
ISEN
> 1.5 V
0.35mA
V
COMP
= 1.64 V 2.2 mA
V
LINE
< 1.25 V 0.35mA
High-side floating gate-drive supply
V
BOOT
Operating supply voltage Referred to FGND pin 17 V
I
qBOOT
Quiescent current V
FGND
= 0 500 800 µA
I
LK
High-voltage leakage
V
FGND
= V
BOOT
=
V
HVG
= 600 V
10 µA
R
DS(on)
Synchronous bootstrap
diode on-resistance
V
LVG
= HIGH 125 Ω
High-voltage startup generator
V
HV
Breakdown voltage I
HV
< 100 µA 700 V
V
HVstart
Start voltage I
Vcc
< 100 µA607590V
I
charge
Vcc charge current
V
HV
> V
Hvstart
,
Vcc > 3 V
0.55 0.75 1 mA