參數資料
型號: PTH04T240FAST
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源模塊
英文描述: 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
封裝: DIP-11
文件頁數: 15/35頁
文件大?。?/td> 3835K
代理商: PTH04T240FAST
Smart Sync
PTH04T240F
V
I
C
I2
220 mF
R
SET2
Track
GND
VoAdj
TT
+Sense
-Sense
Inhibit/
UVLO
C
O2
1000 mF
GND
CLR
D
Q
PRE
V
I = 5 V
PTH08T220W
V
I
C
I1
330 mF
Track
GND
V
OAdj
V
O
TT
+Sense
-Sense
+
Inhibit/
UVLO
C
O1
220 mF
Sync
+
Q
CLK
V
CC
SN74LVC2G74
180°
+
SYNC
UDG-08164
f
CLK = 2 x fMODULE
R
SET1
V
O
V
O1
V
O2
GND
SLTS293A – DECEMBER 2008 – REVISED MARCH 2009 ............................................................................................................................................... www.ti.com
Smart Sync is a feature that allows multiple power modules to be synchronized to a common frequency. Driving
the Smart Sync pins with an external oscillator set to the desired frequency, synchronizes all connected modules
to the selected frequency. The synchronization frequency can be higher or lower than the nominal switching
frequency of the modules within the range of 240 kHz to 400 kHz (see Electrical Specifications table for
synchronization limits). Synchronizing modules powered from the same bus, eliminates beat frequencies
reflected back to the input supply, and also reduces EMI filtering requirements. Eliminating the low beat
frequencies (usually < 10 kHz) allows the EMI filter to be designed to attenuate only the synchronization
frequency. Power modules can also be synchronized out of phase to minimize source current loading and
minimize input capacitance requirements. Figure 21 shows a standard circuit with two modules syncronized 180°
out of phase using a D flip-flop.
Figure 21. Smart Sync Schematic
22
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s): PTH04T240F
相關PDF資料
PDF描述
PTH04T240WAD 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH04T241WAZ 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH04T241WAST 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH04T240WAZT 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH04T240WAS 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
相關代理商/技術參數
參數描述
PTH04T240FAZ 功能描述:DC/DC轉換器 10A,2.2V-5.5V Inp Pwr Mod RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標稱): 輸出端數量:1 輸出電壓(通道 1):3.3 V 輸出電流(通道 1):600 mA 輸出電壓(通道 2): 輸出電流(通道 2): 安裝風格:SMD/SMT 封裝 / 箱體尺寸:
PTH04T240FAZT 功能描述:DC/DC轉換器 10A,2.2V-5.5V Inp Pwr Mod RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標稱): 輸出端數量:1 輸出電壓(通道 1):3.3 V 輸出電流(通道 1):600 mA 輸出電壓(通道 2): 輸出電流(通道 2): 安裝風格:SMD/SMT 封裝 / 箱體尺寸:
PTH04T240W 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-A, 2.2-V to 5.5-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TURBOTRANS⑩
PTH04T240WAD 功能描述:DC/DC轉換器 10-A 2.2V to 5.5V Adj Pwr Mod RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標稱): 輸出端數量:1 輸出電壓(通道 1):3.3 V 輸出電流(通道 1):600 mA 輸出電壓(通道 2): 輸出電流(通道 2): 安裝風格:SMD/SMT 封裝 / 箱體尺寸:
PTH04T240WAS 功能描述:DC/DC轉換器 10-A 2.2V to 5.5V Adj Pwr Mod RoHS:否 制造商:Murata 產品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標稱): 輸出端數量:1 輸出電壓(通道 1):3.3 V 輸出電流(通道 1):600 mA 輸出電壓(通道 2): 輸出電流(通道 2): 安裝風格:SMD/SMT 封裝 / 箱體尺寸: