Datasheet

Electrical characteristics L6563 - L6563A
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Symbol Parameter Test condition Min Typ Max Unit
V
INVCLAMP
Internal clamp level
I
INV
= 1 mA
99.5 V
Gv Voltage gain Open loop 60 80 dB
GB Gain-bandwidth product 1 MHz
I
COMP
Source current
V
COMP
= 4V, V
INV
= 2.4 V
-2 -3.5 -5 mA
Sink current
V
COMP
= 4V, V
INV
= 2.6 V
2.5 4.5 mA
V
COMP
Upper clamp voltage
I
SOURCE
= 0.5 mA
5.7 6.2 6.7 V
Lower clamp voltage
I
SINK
= 0.5 mA
(2)
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 120 ns
V
CSclamp
Current sense reference
clamp
V
COMP
= Upper clamp,
V
VFF
= V
MULT
=0.5V
1.0 1.08 1.16 V
Vcs
offset
Current sense offset
V
MULT
= 0, V
VFF
= 3V
25
mV
V
MULT
= 3V, V
VFF
= 3V
5
V
CSdis
Ic latch-off level (L6563
only)
(2)
1.6 1.7 1.8 V
Output overvoltage
I
OVP
Dynamic OVP triggering
current
17 20 23 µA
Hys Hysteresis
(4)
15 µA
Static OVP threshold
(2)
2 2.15 2.3 V
Voltage feedforward
V
VFF
Linear operation range
R
FF
= 47 kΩ to GND
0.5 3 V
∆V
Dropout
V
MULTpk
-V
VFF
20 mV
Table 5. Electrical characteristics (continued)
( -25°C < T
J
< +125°C, V
CC
= 12V, C
o
= 1nF between pin GD and GND, C
FF
=1µF between pin V
FF
and GND; unless otherwise specified)