L6561
Table 5. Electrical Characteristics
(V
CC
= 14.5V; T
amb
= -25°C to 125°C;unless otherwise specified)
Symbol
V
CC
V
CC ON
V
CC OFF
Hys
I
START-U
I
q
I
CC
Iq
V
Z
V
INV
Pin
8
8
8
8
8
8
8
8
8
8
1
Zener Voltage
Voltage Feedback Input
Threshold
Line Regulation
I
INV
G
V
GB
I
COMP
V
COMP
2
2
1
Input Bias Current
Voltage Gain
Gain Bandwidth
Source Current
Sink Current
Upper Clamp Voltage
Lower Clamp Voltage
MULTIPLIER SECTION
V
MULT
∆
V
CS
-----------------
∆
V
mult
K
V
CS
I
CS
t
d (H-L)
4
4
4
4
V
ZCD
5
3
Linear Operating Voltage
Output Max. Slope
V
MULT
= from 0V to 0.5V
V
COMP
= Upper Clamp Voltage
V
MULT
= 1V V
COMP
= 4V
V
MULT
= 2.5V
V
COMP
= Upper Clamp Voltage
V
OS
= 0
0 to 3
1.65
0 to 3.5
1.9
V
V
COMP
= 4V, V
INV
= 2.4V
V
COMP
= 4V, V
INV
= 2.6V
I
SOURCE
= 0.5mA
I
Sink
= 0.5mA
-2
2.5
Open loop
60
ERROR AMPLIFIER SECTION
T
amb
= 25°C
12V < V
CC
< 18V
V
CC
= 12 to 18V
2.465
2.44
2
-0.1
80
1
-4
4.5
5.8
2.25
-8
2.5
2.535
2.56
5
-1
V
V
mV
µA
dB
MHz
mA
mA
V
V
Parameter
Operating Range
Turn-on Threshold
Turn-off Threshold
Hysteresis
Start-up Current
Quiescent Current
Operating Supply Current
Quiescent Current
C
L
= 1nF @ 70KHz
in OVP condition V
pin1
= 2.7V
V
PIN5
≤150mV,
V
CC
> V
CC off
V
PIN5
≤
150mV, V
CC
< V
CC off
I
CC
= 25mA
20
18
before turn-on (V
CC
=11V)
Test Condition
after turn-on
Min.
11
11
8.7
2.2
20
12
9.5
2.5
50
2.6
4
1.4
1.4
50
20
Typ.
Max.
18
13
10.3
2.8
90
4
5.5
2.1
2.1
90
22
Unit
V
V
V
V
µA
mA
mA
mA
mA
µA
V
SUPPLY VOLTAGE SECTION
SUPPLY CURRENT SECTION
Gain
Current Sense Reference
Clamp
Input Bias Current
Delay to Output
Current Sense Offset
Input Threshold Voltage Rising
Edge
Hysteresis
Upper Clamp Voltage
Upper Clamp Voltage
(1)
(1)
0.45
1.6
0.6
1.7
-0.05
200
0
2.1
0.75
1.8
-1
450
15
1/V
V
µA
ns
mV
V
CURRENT SENSE COMPARATOR
ZERO CURRENT DETECTOR
0.3
4.5
4.7
0.5
5.1
5.2
0.7
5.9
6.1
V
V
V
V
ZCD
V
ZCD
5
5
I
ZCD
= 20µA
I
ZCD
= 3mA
3/13
STMICROELECTRONICS [ STMICROELECTRONICS ]
