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參數(shù)資料
| 型號： | LX1562IM |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SECOND-GENERATION POWER FACTOR CONTROLLER |
| 中文描述： | 0.5 A POWER FACTOR CONTROLLER, PDIP8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 16/25頁 |
| 文件大?。?/td> | 443K |
| 代理商： | LX1562IM |
S
ECOND
-G
ENERATION
P
OWER
F
ACTOR
C
ONTROLLER
LX1562/1563
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
Copyright 1996
Rev. 1.3 12/96
16
P
R O D U C T I O N
D
A T A
S
H E E T
I C D E S C R I P T I O N
CURRENT DETECT LOGIC
(continued)
upper 7.8V clamp prevents input overvoltage breakdown dur-
ing
switch off time, while during the on time the lower 0.7V
clamp prevents substrate injection. An internal current limit
resistor protects the lower clamp transistor in case the “I
DET
” pin
is accidently shorted to ground.
START-UP TIMER
A start-up timer circuit eliminates the need for an external os-
cillator when used in stand alone applications. The timer, as
shown in Figure 30, provides a means to automatically start the
pre converter if the latch output Q comes up in a wrong (HI)
state. The timer capacitor ramps up and resets the latch to a
low state, turning the output driver on.
OUTPUT DRIVER STAGE
The LX1562/63 output driver is designed for direct driving of
an external power MOSFET. It is a totem pole stage with
±500mA peak current capability. This typically results in a
130ns rise and fall times into a 1000pF capacitive load. Addi-
tionally the output is held low during the undervoltage condi-
tion to ensure that the MOSFET remains in the off state until
supply voltage reaches the start-up threshold.
Internal voltage clamping ensures that output driver is al-
ways lower than 13.8V (typ.) when supply voltage variation
exceeds more than rated V
threshold (typ 20V) of the exter-
nal MOSFET. This eliminates an external zener diode and extra
power dissipation associated with it that otherwise is required
for reliable circuit operation.
1.72V
1μs
Delay
5
I
DEF
V
REF
V
TIMER
C.S. Latch
L1
7
L1
4
C.S.
C.S.
OUT
V
M0
HI
300
C.S.
R
Q
Q
S
FIGURE 30
— START-UP TIMER & CURRENT DETECT LOGIC CIRCUITRY
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LX1563 | SECOND-GENERATION POWER FACTOR CONTROLLER |
| LX1562IDMT | Power Factor Controller |
| LX1563IDMT | Power Factor Controller |
| LX1563IDM | SECOND-GENERATION POWER FACTOR CONTROLLER |
| LX1563IM | SECOND-GENERATION POWER FACTOR CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LX1563 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:SECOND-GENERATION POWER FACTOR CONTROLLER |
| LX1563IDM | 功能描述:IC CONTROLLER PFC 9.8V 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - PFC（功率因數(shù)修正） 系列:- 產(chǎn)品培訓模塊:GreenChip Synchronous Rectification Control Family of ICs 標準包裝:1 系列:- 模式:間歇導電（DCM） 頻率 - 開關(guān):- 電流 - 啟動:- 電源電壓:8.6 V ~ 38 V 工作溫度:-20°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應商設(shè)備封裝:14-SO 包裝:Digi-Reel® 其它名稱:568-5348-6 |
| LX1563IDMT | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Power Factor Controller |
| LX1563IM | 功能描述:IC CONTROLLER PFC 9.8V 8DIP RoHS:是 類別:集成電路 (IC) >> PMIC - PFC（功率因數(shù)修正） 系列:- 產(chǎn)品培訓模塊:GreenChip Synchronous Rectification Control Family of ICs 標準包裝:1 系列:- 模式:間歇導電（DCM） 頻率 - 開關(guān):- 電流 - 啟動:- 電源電壓:8.6 V ~ 38 V 工作溫度:-20°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應商設(shè)備封裝:14-SO 包裝:Digi-Reel® 其它名稱:568-5348-6 |
| LX1570 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:PHASE MODULATED AC SYNCHRONOUS SECONDARY-SIDE CONTROLLER |
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