Electrical characteristics
L6562AT
5
Electrical characteristics
-40 °C < T < +125 °C, V = 12 V, C = 1 nF; unless otherwise specified
J
CC
O
Table 5.
Symbol
Electrical characteristics
Parameter
Test condition
Min
Typ
Max
Unit
Supply voltage
VCC
VccOn
VccOff
Hys
Operating range
After turn-on
10.5
11.7
9.5
22.5
13.3
V
V
(1)
Turn-on threshold
Turn-off threshold
Hysteresis
12.5
10
(1)
10.5
2.8
28
V
V
V
2.2
VZ
Zener voltage
ICC = 20 mA
22.5
25
Supply current
Istart-up Start-up current
Iq Quiescent current
Before turn-on, VCC = 11 V
After turn-on
30
2.5
3.5
60
3.9
5.5
µA
mA
mA
ICC
Operating supply current @ 70 kHz
During OVP (either static or dynamic)
or VINV ≤ 150 mV
Iq
Quiescent current
1.7
2.2
mA
Multiplier input
IMULT
Input bias current
VMULT = 0 to 4 V
-1
µA
V
VMULT
Linear operation range
Output max. slope
Gain (2)
0 to 3
1
ΔVcs
VMULT = 0 to 1 V,
VCOMP = Upper clamp
---------------------
ΔVMULT
1.1
V/V
V
K
VMULT = 1 V, VCOMP = 4 V,
0.32
0.38
0.47
Error amplifier
TJ = 25 °C
2.475
2.44
2.5
2
2.525
2.545
5
Voltage feedback input
threshold
VINV
V
10.5 V < VCC < 22.5 V (1)
VCC = 10.5 V to 22.5 V
VINV = 0 to 3 V
Line regulation
mV
µA
IINV
Gv
Input bias current
Voltage gain
-1
Open loop
60
80
1
dB
GB
Gain-bandwidth product
Source current
MHz
mA
mA
V
VCOMP = 4 V, VINV = 2.4 V
-2
-3.5
4.5
5.7
2.25
200
450
-5
ICOMP
Sink current
V
COMP = 4 V, VINV = 2.6 V
2.5
5.1
2.1
150
380
Upper clamp voltage
Lower clamp voltage
Disable threshold
Restart threshold
ISOURCE = 0.5 mA
ISINK = 0.5 mA (1)
6
VCOMP
2.4
250
520
V
VINVdis
VINVen
mV
mV
6/25
STMICROELECTRONICS [ ST ]
