- 您现在的位置：买卖IC网 > PDF目录79745 > L6566A (STMICROELECTRONICS) 0.8 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDSO16 PDF资料下载
参数资料
| 型号： | L6566A |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 0.8 A POWER FACTOR CONTROLLER WITH POST REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | LEAD FREE, SOP-16 |
| 文件页数： | 10/51页 |
| 文件大小： | 646K |
| 代理商： | L6566A |
第1页第2页第3页第4页第5页第6页第7页第8页第9页当前第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页
Application information
L6566A
18/51
If FF operation is selected:
1.
FF mode from heavy to light load. The system operates exactly like a standard current
mode, at a frequency fsw determined by the externally programmable oscillator: both
DCM and CCM transformer operation are possible, depending on whether the power
that it processes is greater or less than:
Equation 1
where Vin is the input voltage to the converter, VR the reflected voltage (i.e. the
regulated output voltage times the primary-to-secondary turn ratio) and Lp the
inductance of the primary winding. PinT is the power level that marks the transition from
continuous to discontinuous operation mode of the transformer.
2.
Burst-mode with no or very light load. This kind of operation is activated in the same
way and results in the same behavior as previously described for QR operation.
The L6566A is specifically designed for flyback converters operated from front-end power
factor correction (PFC) stages in applications supposed to comply with EN61000-3-2 or
JEITA-MITI regulations. Pin 6 (Vcc_PFC) provides the supply voltage to the PFC control IC.
5.1
High-voltage start-up generator
shows the internal schematic of the high-voltage start-up generator (HV generator).
It is made up of a high-voltage N-channel FET, whose gate is biased by a 15 M
Ω resistor,
with a temperature-compensated current generator connected to its source.
Figure 5.
High-voltage start-up generator: internal schematic
Lp
f
2
V
Vin
V
Vin
Pin
sw
2
R
T
+
=
L6566A
15 M
GND
HV
Vcc
5
3
1
Icharge
Vcc_OK
IHV
CONTROL
HV_EN
相关PDF资料 |
PDF描述 |
|---|---|
| L6712AQTR | 2 A SWITCHING CONTROLLER, QCC36 |
| LNK604GG-TL | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| LM385DR-2-5 | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8 |
| LM4041DIM-ADJ | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.233 V, PDSO8 |
| LS4601-9RD1TB1 | 1-OUTPUT 100 W AC-DC PWR FACTOR CORR MODULE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| L6566A_08 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Multi-mode controller for SMPS with PFC front-end |
| L6566ATR | 功能描述:开关变换器、稳压器与控制器 Multi Mode PWM Controller RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| L6566B | 功能描述:开关变换器、稳压器与控制器 Multi Mode PWM Controller RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| L6566B_08 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Multi-mode controller for SMPS |
| L6566BH | 功能描述:电流型 PWM 控制器 Multimode Controller SMPS 800V <3mA RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
发布紧急采购，3分钟左右您将得到回复。