- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄373629 > TEA5170 (意法半導(dǎo)體) Switch Mode Power Supply Secondary Circuit(開關(guān)模式電源次級電路) PDF資料下載
參數(shù)資料
| 型號： | TEA5170 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Switch Mode Power Supply Secondary Circuit(開關(guān)模式電源次級電路) |
| 中文描述： | 開關(guān)電源二次回路（開關(guān)模式電源次級電路） |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 117K |
| 代理商： | TEA5170 |
STARTING
When V
CC
is under 4V, output pulses are not
allowed and the slave circuit keeps its own mode.
When V
CC
is going over 4V, output pulses are sent
via the pulse transformer (or an optical device) to
the slave circuit which is synchronizing and enter-
ing the slaved mode. Output pulses can be shut
down only if V
CC
goes below 3.8 Volt.
SOFT START
Using Csf, it is possible to make a soft start se-
quence. When V
CC
grows from 0V to 4V, voltage
on Csf equals 0V. When V
CC
is higher than 4V, Csf
is loaded by a 3.7
μ
A current, then TonMAX (Vcsf)
will vary linearly from Tonmin to Tonmax according
to Csfst bias.
When V
CC
will go low (3.8 Volt threshold), Csf will
be downloaded by an internal transistor.
minimum
12
4
3.2
t
t
Duty cycle
D
on max.
t
2
maximum
V
(V)
CC
CSF
V
(V)
D
on min.
5
Figure 6 :
Soft-Start Sequence
V
CC
1mA
3 Pout
1mA
from logic
5
Figure 7 :
Electrical Schematic
POWER OUTPUT STAGE
TEA5170
6/9
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TEA5500 | Coded locking circuit for security systems |
| TEA5500T | Coded locking circuit for security systems |
| TEA5501 | CODED LOCKING CIRCUIT FOR SECURITY SYSTEMS |
| TEA5652 | WIDE BAND VIDEO PROCESSOR |
| TEA6414A | BUS-CONTROLLED VIDEO MATRIX SWITCH |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TEA5500 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Coded locking circuit for security systems |
| TEA5500T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Coded locking circuit for security systems |
| TEA5501 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CODED LOCKING CIRCUIT FOR SECURITY SYSTEMS |
| TEA5551 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1-chip AM radio |
| TEA5551T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1-chip AM radio |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。