参数资料
型号: PTH04T240FAD
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源模块
英文描述: 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
封装: DIP-11
文件页数: 18/35页
文件大小: 3835K
代理商: PTH04T240FAD
Notes on Use of Auto-Track
U2
PTH04T240F
C
I2
R
SET2
4.75 kW
Auto Track
GND
Vo
TurboTrans
R
TT
+Sense
-Sense
C
O2
U3
TPS3808G50
6
GND
2
C3
4700 mF
4
C4
0.1 mF
3
MR
CT
RESET
SENSE
5
1
V
I = 5 V
V
O2
1.8 V
U1
PTH04T230W
V
I
C
I1
R
SET1
1.21 kW
Auto Track
GND
V
OAdj
V
O
TurboTrans
R
TT
+Sense
-Sense
+
C
O1
V
O1
3.3 V
+
V
CC
V
OAdj
V
I
UDG-08157
www.ti.com ............................................................................................................................................... SLTS293A – DECEMBER 2008 – REVISED MARCH 2009
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 22. Sequenced Power Up and Power Down Using Auto-Track
Copyright 2008–2009, Texas Instruments Incorporated
25
Product Folder Link(s): PTH04T240F
相关PDF资料
PDF描述
PTH04T240FAZT 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH04T240FAS 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH04T240FAZ 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH04T240FAST 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PTH04T240WAD 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
相关代理商/技术参数
参数描述
PTH04T240FAS 功能描述:DC/DC转换器 10A,2.2V-5.5V Inp Pwr Mod RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压(标称): 输出端数量:1 输出电压(通道 1):3.3 V 输出电流(通道 1):600 mA 输出电压(通道 2): 输出电流(通道 2): 安装风格:SMD/SMT 封装 / 箱体尺寸:
PTH04T240FAST 功能描述:DC/DC转换器 10A,2.2V-5.5V Inp Pwr Mod RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压(标称): 输出端数量:1 输出电压(通道 1):3.3 V 输出电流(通道 1):600 mA 输出电压(通道 2): 输出电流(通道 2): 安装风格:SMD/SMT 封装 / 箱体尺寸:
PTH04T240FAZ 功能描述:DC/DC转换器 10A,2.2V-5.5V Inp Pwr Mod RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压(标称): 输出端数量:1 输出电压(通道 1):3.3 V 输出电流(通道 1):600 mA 输出电压(通道 2): 输出电流(通道 2): 安装风格:SMD/SMT 封装 / 箱体尺寸:
PTH04T240FAZT 功能描述:DC/DC转换器 10A,2.2V-5.5V Inp Pwr Mod RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压(标称): 输出端数量:1 输出电压(通道 1):3.3 V 输出电流(通道 1):600 mA 输出电压(通道 2): 输出电流(通道 2): 安装风格:SMD/SMT 封装 / 箱体尺寸:
PTH04T240W 制造商:TI 制造商全称: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