L6561
ELECTRICAL CHARACTERISTICS
(V
CC
= 14.5V; T
amb
= -25°C to 125°C; unless otherwise specified)
SUPPLY VOLTAGE SECTION
Symbol
V
CC
V
CC ON
V
CC OFF
Hys
Pin
8
8
8
8
Parameter
Operating Range
Turn-on Threshold
Turn-off Threshold
Hysteresis
Test Condition
after turn-on
Min.
11
11
8.7
2.2
12
9.5
2.5
Typ.
Max.
18
13
10.3
2.8
Unit
V
V
V
V
SUPPLY CURRENT SECTION
Symbol
I
START-U
I
q
I
CC
I
q
V
Z
8
Pin
8
8
Parameter
Start-up Current
Quiescent Current
Operating Supply Current
Quiescent Current
Zener Voltage
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
Test Condition
before turn-on (V
CC
=11V)
Min.
20
Typ.
50
2.6
4
1.4
1.4
50
20
Max.
90
4
5.5
2.1
2.1
90
22
Unit
µA
mA
mA
mA
mA
µ
A
V
ERROR AMPLIFIER SECTION
Symbol
V
INV
Pin
1
Parameter
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
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
Test Condition
T
amb
= 25°C
12V < V
CC
< 18V
V
CC
= 12 to 18V
Min.
2.465
2.44
2
-0.1
80
1
-4
4.5
5.8
2.25
-8
Typ.
2.5
Max.
2.535
2.56
5
-1
mV
µA
dB
MHz
mA
mA
V
V
Unit
V
MULTIPLIER SECTION
Symbol
V
MULT
∆V
CS
∆
V
mult
K
Pin
3
Parameter
Linear Operating Voltage
Output Max. Slope
V
MULT
= from 0V to 0.5V
V
COMP
= Upper Clamp Voltage
V
MULT
= 1V V
COMP
= 4V
Test Condition
Min.
1.65
Typ.
1.9
Max.
Unit
V
0 to 3 0 to 3.5
Gain
0.45
0.6
0.75
1/V
CURRENT SENSE COMPARATOR
Symbol
V
CS
I
CS
t
d (H-L)
Pin
4
4
4
4
Parameter
Current Sense Reference
Clamp
Input Bias Current
Delay to Output
Current Sense Offset
Test Condition
V
MULT
= 2.5V
V
COMP
= Upper Clamp Voltage
V
OS
= 0
Min.
1.6
Typ.
1.7
-0.05
200
0
Max.
1.8
-1
450
15
Unit
V
µA
ns
mV
3/11
STMICROELECTRONICS [ STMICROELECTRONICS ]
