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參數(shù)資料
| 型號： | L6563A |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 基準(zhǔn)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)： | 4/37頁 |
| 文件大?。?/td> | 613K |
| 代理商： | L6563A |
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Description
L6563 - L6563A
4/37
1.1
Pin connection
Figure 2.
Pin connection
(top view)
1.2
Pin description
INV
COMP
MULT
CS
VFF
TBO
PFC_OK
Vcc
GD
GND
ZCD
RUN
PWM_STOP
PWM_LATCH
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Table 1. Pin description
Pin N°
Name
Description
1
INV
Inverting input of the error amplifier. The information on the output voltage of the PFC pre-
regulator is fed into the pin through a resistor divider.
The pin normally features high impedance but, if the tracking boost function is used, an
internal current generator programmed by TBO (pin 6) is activated. It sinks current from the
pin to change the output voltage so that it tracks the mains voltage.
2
COMP
Output of the error amplifier. A compensation network is placed between this pin and INV
(pin 1) to achieve stability of the voltage control loop and ensure high power factor and low
THD.
3
MULT
Main input to the multiplier. This pin is connected to the rectified mains voltage via a
resistor divider and provides the sinusoidal reference to the current loop. The voltage on
this pin is used also to derive the information on the RMS mains voltage.
4
CS
Input to the PWM comparator. The current flowing in the MOSFET is sensed through a
resistor, the resulting voltage is applied to this pin and compared with an internal reference
to determine MOSFET’s turn-off.
A second comparison level at 1.7V detects abnormal currents (e.g. due to boost inductor
saturation) and, on this occurrence, shuts down the IC, reduces its consumption almost to
the start-up level and asserts PWM_LATCH (pin 8) high. This function is not present in the
L6563A.
5
VFF
Second input to the multiplier for 1/V
2
function. A capacitor and a parallel resistor must be
connected from the pin to GND. They complete the internal peak-holding circuit that
derives the information on the RMS mains voltage. The voltage at this pin, a DC level equal
to the peak voltage at pin MULT (pin 3), compensates the control loop gain dependence on
the mains voltage. Never connect the pin directly to GND.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6563ATR | 功能描述:功率因數(shù)校正 IC Advanced transition mode PFC controller 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| L6563CYTR | 制造商:ST 功能描述:ADVANCED TRANSITION-MODE PFC CONTROLLER |
| L6563H | 功能描述:功率因數(shù)校正 IC High voltage start Transition-mode PFC 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| L6563HTR | 功能描述:功率因數(shù)校正 IC 700V 6mA Start-Up Transition-Mode PFC 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| L6563S | 功能描述:功率因數(shù)校正 IC Transition Mode PFC 5mA 90uA 1.5% Ref 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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
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