Datasheet

Electrical characteristics L6562AT
6/25
5 Electrical characteristics
-40 °C < T
J
< +125 °C, V
CC
= 12 V, C
O
= 1 nF; unless otherwise specified
Table 5. Electrical characteristics
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
= 20 mA 22.5 25 28 V
Supply current
I
start-up
Start-up current Before turn-on, V
CC
= 11 V 30 60 µA
I
q
Quiescent current After turn-on 2.5 3.9 mA
I
CC
Operating supply current @ 70 kHz 3.5 5.5 mA
I
q
Quiescent current
During OVP (either static or dynamic)
or V
INV
≤ 150 mV
1.7 2.2 mA
Multiplier input
I
MULT
Input bias current V
MULT
= 0 to 4 V -1 µA
V
MULT
Linear operation range 0 to 3 V
Output max. slope
V
MULT
= 0 to 1 V,
V
COMP
= Upper clamp
11.1 V/V
K Gain
(2)
V
MULT
= 1 V, V
COMP
= 4 V, 0.32 0.38 0.47 V
Error amplifier
V
INV
Voltage feedback input
threshold
T
J
= 25 °C 2.475 2.5 2.525
V
10.5 V < V
CC
< 22.5 V
(1)
2.44 2.545
Line regulation V
CC
= 10.5 V to 22.5 V 2 5 mV
I
INV
Input bias current V
INV
= 0 to 3 V -1 µA
Gv Voltage gain Open loop 60 80 dB
GB Gain-bandwidth product 1 MHz
I
COMP
Source current V
COMP
= 4 V, V
INV
= 2.4 V -2 -3.5 -5 mA
Sink current V
COMP
= 4 V, V
INV
= 2.6 V 2.5 4.5 mA
V
COMP
Upper clamp voltage I
SOURCE
= 0.5 mA 5.1 5.7 6 V
Lower clamp voltage I
SINK
= 0.5 mA
(1)
2.12.252.4 V
V
INVdis
Disable threshold 150 200 250 mV
V
INVen
Restart threshold 380 450 520 mV
V
cs
Δ
V
MULT
Δ
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