Datasheet

Electrical characteristics L6566B
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4 Electrical characteristics
(T
J
= -25 to 125°C, V
CC
= 12, C
O
= 1 nF; MODE/SC = V
REF
, R
T
= 20 kΩ from OSC to GND,
unless otherwise specified).
Table 4. Electrical characteristics
Symbol Parameter Test condition Min Typ Max Unit
Supply voltage
Vcc Operating range after turn-on
V
COMP
> V
COMPL
10.6 23
V
V
COMP
= V
COMPO
823
Vcc
On
Turn-on threshold
(1)
13 14 15 V
Vcc
Off
Turn-off threshold
(1)
V
COMP
> V
COMPL
9.4 10 10.6
V
(1)
V
COMP
= V
COMPO
7.2 7.6 8.0
Hys Hysteresis V
COMP
> V
COMPL
4V
V
Z
Zener voltage Icc = 20 mA, IC disabled 23 25 27 V
Supply current
I
start-up
Start-up current Before turn-on, Vcc = 13 V 200 250 µA
I
q
Quiescent current After turn-on, V
ZCD
= V
CS
= 1 V 2.6 2.8 mA
Icc Operating supply current MODE/SC open 4 4.6 mA
I
qdis
Quiescent current
IC disabled
(2)
330 2500
µA
IC latched off 440 500
High-voltage start-up generator
V
HV
Breakdown voltage I
HV
< 100 µA 700 V
V
HVstart
Start voltage I
Vcc
< 100 µA 65 80 100 V
I
charge
Vcc charge current V
HV
> V
Hvstart
, Vcc > 3 V 0.55 0.85 1 mA
I
HV, ON
ON-state current
V
HV
> V
Hvstart
, Vcc > 3 V 1.6
mA
V
HV
> V
Hvstart
, Vcc = 0 0.8
I
HV, OFF
OFF-state leakage current V
HV
= 400 V 40 µA
V
CCrestart
Vcc restart voltage
Vcc falling 4.4 5 5.6
V
(1)
IC latched off 12.5 13.5 14.5
(1)
Disabled by
V
COMP
< V
COMPOFF
9.4 10 10.6