L6566ATR STMicroelectronics, L6566ATR Datasheet - Page 20

• Manufacturer Part Number: L6566ATR
• Description: IC CTRLR OVP UVLO 16SOIC
• Manufacturer: STMicroelectronics

Specifications of L6566ATR

• Output Isolation: Isolated
• Frequency Range: 93 ~ 107kHz
• Voltage - Input: 8 ~ 23 V
• Power (watts): 750mW
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• For Use With: 497-8834 - BOARD DEMO FOR L6563/LL6566A497-6452 - BOARD EVAL FOR L6566B497-6451 - BOARD EVAL FOR L6566B497-6450 - BOARD EVAL FOR L6566B497-6449 - BOARD EVAL FOR L6566A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6296-2

Application information
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Figure 7.
Figure 8.
R
Z1
R
Vcc_OK
Z2
0.85 mA
(pin 5)
(pin 4)
Vcc
I
Vcc
GD
charge
Vcc
Vcc
ZCD
restart
Timing diagram showing short-circuit behavior (SS pin clamped at 5 V)
Zero current detection block, triggering block, oscillator block and
related logic
OFF
ON
11
L6566A
100 mV
50 mV
5V
Strobe
+
-
+
-
Short circuit occurs here
5.7V
S/H
STABLE
MONO
BLANKING
Counter
4:1
TIME
Reset
COMP
9
OSCILLATOR
TURN-ON
FAULT
LOGIC
< 0.03T
blanking
START
rep
T
rep
R
S
FFWD
line
Q
VFF
15
PWM
R
13
OSC
T
DRIVER
7
4
GD
CS
t
t
t
t
+Vin
L6566A
Rs
Q