PRODUCT DATABOOK 1996/1997
LX1562/1563
S
E C O N D
-G
E N E R AT I O N
P
O W E R
F
A C T O R
C
O N T R O L L E R
P
R O D U C T I O N
D
A T A
S
H E E T
ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Test Conditions
0V
≤
V
CS
≤
1.7V
E.A.
OUT
= 3.7V, V
CS
= 0 to 1.2V, V
M1
= 1V
V
EA0
= 2.2V, V
M1
= 0V, I
DETC
= 0V
(Con't.)
LX1562I/1563I
Min. Typ.
Max.
-1
0.4
-20
1.6
180
0.4
7.0
-1
-0.3
280
0.9
3
1.72
240
0.62
7.8
-0.2
1
500
1.2
20
1.9
300
0.85
8.6
1
±3
Units
Current Sense Comparator Section
Input Bias Current
Current Sense Delay to Output
C.S. Blanking Time
C.S. Input Offset Voltage
I
CSB
t
d
t
BLK
V
OFF
V
HI
H
D
V
DL
V
DZ
I
DB
I
DMX
t
RST
V
PRH
V
PRL
t
R
t
f
V
DRMX
I
L
= -10mA, V
IN
= 12V
I
L
= 10mA, V
IN
= 12V
C
L
= 1000pF
C
L
= 1000pF
V
IN
= 20V
8.5
µA
ns
µs
mV
V
mV
V
V
µA
mA
µsec
V
V
ns
ns
V
Detect Section
Input Voltage Threshold - High
Hysteresis
Input LO Clamp Voltage
Input HI Clamp Voltage
Input Current
Input HI/LO Clamp Diode Current
I
DET
= 100µA
I
DET
= 3mA
1V
≤
V
DET
≤
6V
V
DET
< 0.9V, V
DET
> 6V
Restart Timer Section
Restart Time
300
9
0.8
130
50
13.8
Output Driver Section
Output High Voltage
Output Low Voltage
Output Rise Time
Output Fall Time
Maximum Output Voltage
1
200
120
15
13
Notes: 5. Because the reference is not brought out externally, these specifications are tested at probe only, and cannot be tested on the packaged part.
They are guaranteed by design, and shown for illustrative purposes only.
6. K =
∆V
C.S.
≈
(∆V
M1
) x (V
EA0
- V
REF
)
∆V
C.S.
(V
M1
) (∆V
EA0
)
7. This parameter, although guaranteed, is not tested in production.
8. Initial accuracy includes input offset voltage of error amplifier.
4
Copyright © 1996
Rev. 1.3 12/96
MICROSEMI [ MICROSEMI CORPORATION ]
