參數(shù)資料
型號: PTH08T250WAST
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
文件頁數(shù): 17/39頁
文件大?。?/td> 2220K
代理商: PTH08T250WAST
C
O1
V
O1
3.3 V
UDG-07106
+Sense
V
O
-Sense
V
O
R
SET1
GND
U1
PTH08T210W
V
I
V
I
AutoTrack
TurboTrans
C
I1
+
R
TT1
C
I2
GND
+
RESET
GND
5
6
4
SENSE
7
RESIN
2
REF
1
8
V
CC
CT
3
RESET
U3
TL7712A
C
REF
0.1 mF
C
T
2.2 mF
R
RESET
10 kW
C
O2
V
O2
1.8 V
+Sense
V
O
-Sense
V
O
U2
PTH08T250W
V
I
V
I
V
I
V
I
AutoTrack
TurboTrans
R
TT2
GND
+
V
I
12 V
V
O
Adj
GND GND GND
AGND
R
SET2
GND GND GND GND
V
O
Adj
SLTS278G – NOVEMBER 2010 – REVISED MARCH 2009
www.ti.com
Notes on Use of Auto-Track
1. The Track pin voltage must be allowed to rise above the module set-point voltage before the module
regulates at its adjusted set-point voltage.
2. The Auto-Track function tracks almost any voltage ramp during power up, and is compatible with ramp
speeds of up to 1 V/ms.
3. The absolute maximum voltage that may be applied to the Track pin is the input voltage VI.
4. The module cannot follow a voltage at its track control input until it has completed its soft-start initialization.
This takes about 20 ms from the time that a valid voltage has been applied to its input. During this period, it
is recommended that the Track pin be held at ground potential.
5. The Auto-Track function is disabled by connecting the Track pin to the input voltage (VI). When Auto-Track is
disabled, the output voltage rises according to its softstart rate after input power has been applied.
6. The Auto-Track pin should never be used to regulate the module's output voltage for long-term, steady-state
operation.
Figure 24. Sequenced Power Up and Power Down Using Auto-Track
24
Copyright 2010–2009, Texas Instruments Incorporated
Product Folder Link(s): PTH08T250W
相關(guān)PDF資料
PDF描述
PTH08T250WAD 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH08T250WAS 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH08T250WAZ 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH08T255WAS DC-DC REG PWR SUPPLY MODULE
PTH08T255WAZ DC-DC REG PWR SUPPLY MODULE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PTH08T250WAZ 功能描述:DC/DC轉(zhuǎn)換器 50A 4.5V to 14V Inp Non-Isolated RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標(biāo)稱): 輸出端數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
PTH08T250WAZT 功能描述:DC/DC轉(zhuǎn)換器 50A 4.5V to 14V Inp Non-Isolated RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標(biāo)稱): 輸出端數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
PTH08T250WBD 制造商:Texas Instruments 功能描述:
PTH08T255WAD 功能描述:DC/DC轉(zhuǎn)換器 40A,8-14V In,3-5.25V Out,Non-Iso Pwr Mod RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標(biāo)稱): 輸出端數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體尺寸:
PTH08T255WAS 功能描述:DC/DC轉(zhuǎn)換器 40A,8-14V In,3-5.25V Out,Non-Iso Pwr Mod RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓(標(biāo)稱): 輸出端數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體尺寸: