參數(shù)資料
型號: L6566BTR
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 0.8 A POWER FACTOR CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, SOP-16
文件頁數(shù): 13/51頁
文件大小: 624K
代理商: L6566BTR
Application information
L6566B
20/51
Figure 7.
Timing diagram showing short-circuit behavior (SS pin clamped at 5 V)
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
Trep
< 0.03Trep
100 mV
50 mV
DRIVER
+
-
5.7V
ZCD
PWM
GD
R
S
Q
BLANKING
TIME
COMP
+Vin
Q
L6566B
5V
-
+
MONO
STABLE
RZ1
blanking
START
RZ2
CS
VFF
TURN-ON
LOGIC
4:1
Counter
Strobe
FAULT
S/H
Reset
line
FFWD
OSCILLATOR
915
7
4
11
Rs
OSC
RT
13
AUXILIARY
OSCILLATOR
FMOD
6
RMOD
CMOD
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