Datasheet

Electrical characteristics L6562AT
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Symbol Parameter Test condition Min Typ Max Unit
Output overvoltage
I
OVP
Dynamic OVP triggering
current
19.5 27 30.5 µA
Hys Hysteresis
(3)
20 µA
Static OVP threshold
(1)
2.12.252.4 V
Current sense comparator
I
CS
Input bias current V
CS
= 0 -1 µA
t
LEB
Leading edge blanking 100 200 300 ns
td
(H-L)
Delay to output 175 ns
V
CS
Current sense clamp V
COMP
= Upper clamp, Vmult = 1.5 V 1.0 1.08 1.16 V
Vcs
offset
Current sense offset
V
MULT
= 0 25
mV
V
MULT
= 2.5 V 5
Zero current detector
V
ZCDH
Upper clamp voltage I
ZCD
= 2.5 mA 5.0 5.7 6.5 V
V
ZCDL
Lower clamp voltage I
ZCD
= - 2.5 mA -0.5 0 0.5 V
V
ZCDA
Arming voltage
(positive-going edge)
(3)
1.4 V
V
ZCDT
Triggering voltage
(negative-going edge)
(3)
0.7 V
I
ZCDb
Input bias current V
ZCD
= 1 to 4.5 V 2 µA
I
ZCDsrc
Source current capability -1.5 mA
I
ZCDsnk
Sink current capability 1.5 mA
Starter
t
START
Start timer period 75 190 300 µs
Gate driver
V
OL
Output low voltage I
sink
= 100 mA 0.6 1.2 V
V
OH
Output high voltage I
source
= 5 mA 9.5 10.3 V
I
srcpk
Peak source current -0.6 A
I
snkpk
Peak sink current 0.8 A
t
f
Voltage fall time 30 70 ns
t
r
Voltage rise time 60 130 ns
V
Oclamp
Output clamp voltage I
source
= 5 mA; Vcc = 20 V 10 12 15 V
UVLO saturation Vcc = 0 to V
CCon
, I
sink
= 2 mA 1.1 V
1. All the parameters are in tracking
2. The multiplier output is given by:
3. Parameters guaranteed by design, functionality tested in production.
Table 5. Electrical characteristics (continued)
(
)
5.2VVK V
COMPMULTcs
−
⋅
= ⋅