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參數(shù)資料
| 型號： | L6563TR |
| 廠商： | 意法半導體 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | ADVANCED TRANSITION-MODE PFC CONTROLLER |
| 中文描述： | 先進的轉(zhuǎn)型模式PFC控制器 |
| 文件頁數(shù)： | 21/25頁 |
| 文件大?。?/td> | 362K |
| 代理商： | L6563TR |
21/25
L6563
IC shutdown upon brownout can be easily realized as shown in
Figure 45.
The scheme on the left is of
general use, the one on the right can be used if the bias levels of the multiplier and the R
FF
·C
FF
time con-
stant are compatible with the specified brownout level and with the specified holdup time respectively.
In
Table 6
it is possible to find a summary of all of the above mentioned working conditions that cause the
device to stop operating.
Figure 45. Brownout protection (master PFC)
Table 6. Summary of L6563 idle states
5
APPLICATION EXAMPLES AND IDEAS
Figure 46. 250W, wide-range-mains PFC pre-regulator with fixed output voltage
CONDITION
CAUSED OR
REVEALED BY
Vcc < 8.7 V
PFC_OK > 2.5 V
PWM_LATCH
(pin 8)
Open
Active (high)
PWM_STOP
(pin9)
Open
Open
TYPICAL IC
CONSUMPTION
50 μA
180 μA
IC behavior
UVLO
Feedback
disconnected
Saturated Boost
Inductor
AC Brownout
Standby
Auto-restart
Latched
Vcs > 1.7 V
Active (high)
Open
180 μA
Latched
RUN < 0.52 V
PFC_OK < 0.2 V
Open
Open
Active (low)
Open
1.5 mA
1.5 mA
Auto-restart
Auto-restart
10
RUN
AC mains
L6563
VFF
L6563
5
RUN
10
R
FF
C
FF
14
3
B1
KBU8M
R1A
820 k
C1
1 μF
400V
C2
1
μ
F
FUSE
8A/250V
R3
47 k
11
12
L6563
13
2
1
M1
STP12NM50
4
R9A
1 M
1C8
450 V
Vout = 400V
Pout = 250 W
Vac
88V
to
264V
R8A,B
0.22
1 W
R10
12.7 k
+
-
1C3
D2
STTH5L06
R6 33
C4
R1B
820 k
R2
10 k
D3 1N4148
R9B
1 M
NTC1
2.5
D1
1N5406
C6
630 V
R5
6.8 k
L1
R4
1 M
Vcc
10.3 to 22 V
R11A
1.87 M
R12
20 k
R11B
1.87 M
6
7
5
R7
390 k
4C5
8
9
C7
10 nF
10
Boost Inductor (L1) Spec
ETD29x16x10 core, 3C85 ferrite or equivalent
1.5 mm gap for 150 μH primary inductance
Primary: 74 turns 20xAWG30 (
0.3 mm)
Secondary: 8 turns 0.1 mm
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| L6564HTR | 功能描述:功率因數(shù)校正 IC High Volt Start Up 700V PFC 100uA 6mA RoHS:否 制造商:Fairchild Semiconductor 開關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
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