Datasheet

3/17
L6565
THERMAL DATA
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter SO8 Minidip Unit
R
th j-amb
Max. Thermal Resistance, Junction-to-ambient 150 100 °C/W
Symbol Pin Parameter Value Unit
I
Vcc
8I
CC
+ I
Z
30 mA
I
GD
7 Output Totem Pole Peak Current (2 µs) ±700 mA
INV, COMP,
VFF, CS
1, 2, 3 4 Analog Inputs & Outputs -0.3 to 7 V
I
ZCD
5 Zero Current Detector 50 (source)
-10 (sink)
mA
P
tot
Power Dissipation @T
amb
= 50°C (Minidip)
(SO8)
1
0.65
W
T
j
Junction Temperature Operating range -40 to 150 °C
T
stg
Storage Temperature -55 to 150 °C
ELECTRICAL CHARACTERISTCS
(T
j
= -25 to 125°C, V
CC
= 12V, C
o
= 1nF; unless otherwise specified)
Symbol Parameter Test Condition Min. Typ. Max. Unit
SUPPLY VOLTAGE
V
cc
Operating range After turn-on 10.3 18
V
CCOn
Turn-on threshold 12.5 13.5 14.5 V
V
CCOff
Turn-off threshold 8.7 9.5 10.3 V
Hys Hysteresis 3.65 4 4.3 V
V
Z
Zener Voltage I
cc
= 25 mA 18 20 22 V
SUPPLY CURRENT
I
start-up
Start-up Current
Before turn-on, V
CC
= 12V
45 70 µA
I
q
Quiescent Current After turn-on 2.3 3.5 mA
I
CC
Operating Supply Current @ 70 kHz 3.5 5 mA
I
q
Quiescent Current During Hiccup-mode OCP 1.6 3.5 mA
I
q
Quiescent Current V
ZCD
< V
DIS
, V
CC
>V
CCOff
1.4 2.1 mA
LINE FEEDFORWARD
I
VFF
Input Bias Current V
VFF
= 0 to 3 V -1 µA
V
VFF
Operating Range 0 to 3 V
K Gain
V
VFF
= 1.5V, V
COMP
= 4V
0.16
ERROR AMPLIFIER
V
INV
Voltage Feedback Input
Threshold
T
amb
= 25°C 2.465 2.5 2.535 V
12V < V
CC
< 18V 2.44 2.56
Line Regulation Vcc = 12 to 18V 2 5 mV
I
INV
Input Bias Current -0.1 -1 µA