Datasheet

Electrical characteristics L6562A
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5 Electrical characteristics
Table 5. Electrical characteristics
( -25°C < T
J
< +125°C, V
CC
= 12V, C
o
= 1nF; unless otherwise specified)
Symbol Parameter Test condition Min Typ Max Unit
Supply voltage
V
CC
Operating range After turn-on 10.5 22.5 V
Vcc
On
Turn-on threshold
(1)
11.7 12.5 13.3 V
Vcc
Off
Turn-off threshold
(1)
9.5 10 10.5 V
Hys Hysteresis 2.2 2.8 V
V
Z
Zener Voltage
I
CC
= 20mA
22.5 25 28 V
Supply current
I
start-up
Start-up current
Before turn-on, V
CC
= 11V
30 60 µA
I
q
Quiescent current After turn-on 2.5 3.75 mA
I
CC
Operating supply current @ 70kHz 3.5 5 mA
I
q
Quiescent current
During OVP (either static or dynamic)
or V
INV
≤150mV
1.7 2.2 mA
Multiplier input
I
MULT
Input bias current
V
MULT
= 0 to 4V
-1 µA
V
MULT
Linear operation range 0 to 3 V
Output max. slope
V
MULT
= 0 to 1V,
V
COMP
= Upper clamp
11.1 V/V
K
Gain
(2)
V
MULT
= 1V, V
COMP
= 4V,
0.32 0.38 0.44 V
Error amplifier
V
INV
Voltage feedback input
threshold
T
J
= 25 °C
2.475 2.5 2.525
V
10.5V < V
CC
< 22.5V
(1)
2.455 2.545
Line regulation
V
CC
= 10.5V to 22.5V
25mV
I
INV
Input bias current
V
INV
= 0 to 3V
-1 µA
Gv Voltage gain Open loop 60 80 dB
GB Gain-bandwidth product 1 MHz
I
COMP
Source current
V
COMP
= 4V, V
INV
= 2.4V
-2 -3.5 -5 mA
Sink current
V
COMP
= 4V, V
INV
= 2.6V
2.5 4.5 mA
V
cs
∆
V
MULT
∆
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