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L6566ATR 数据表(PDF) 20 Page - STMicroelectronics

部件名 L6566ATR
功能描述  Multi-mode controller for SMPS with PFC front-end
PDF  51 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6566ATR 数据表(HTML) 20 Page - STMicroelectronics

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Application information
L6566A
20/51
Figure 7.
Timing diagram showing short-circuit behavior (SS pin clamped at 5V)
Figure 8.
Zero current detection block, triggering block, oscillator block and related
logic
Vcc
(pin 5)
GD
(pin 4)
Vcc_OK
VccON
VccOFF
Vccrestart
Icharge
0.85 mA
Short circuit occurs here
t
t
t
t
Trep
< 0.03Trep
100 mV
50 mV
DRIVER
+
-
5.7V
ZCD
PWM
GD
R
S
Q
BLANKING
TIME
COMP
+Vin
Q
L6566A
5V
-
+
MONO
STABLE
RZ1
blanking
START
RZ2
CS
VFF
TURN-ON
LOGIC
4:1
Counter
Strobe
FAULT
S/H
Reset
line
FFWD
OSCILLATOR
OSC
RT
915
7
4
13
11
Rs



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