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參數(shù)資料
| 型號： | PT4314C |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 6 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | SMD-9 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 226K |
| 代理商： | PT4314C |
For technical support or further information,visit http://power.ti.com
Environmental Specifications
PT4310 Series
Characteristic
Symbol
Conditions
Min
Typ
Max
Units
Operating Temperature Range
Ta
Over Vin range
–40
—
+85 (i)
°C
Solder Reflow Temperature
Treflow
Surface temperature of module, case or pins
—
215
°C
Storage Temperature
Ts
—
–40
—
+125
°C
Reliability
MTBF
Per Bellcore TR-332
4.0
—
106 Hrs
50% stress, Ta =40°C, ground benign
Mechanical Shock
—
Per Mil-Std-883D, method 2002.3,
—
500
—
G’s
1 mS, half-sine, mounted to a fixture
Mechanical Vibration
—
Per Mil-Std-883D, method 2007.2,
—
20
—
G’s
20-2000 Hz, soldered in a PC board
Weight
—
10
—
grams
Flammability
—
Materials meet UL 94V-0
Notes:
(i) See Safe Operating Area curves or contact the factory for the appropriate derating.
(ii) During solder reflow of SMD package version, do not elevate the module, case, pins, or internal component temperatures above a peak of 215°C. For
further guidance refer to the application note, “Reflow Soldering Requirements for Plug-in Power Surface Mount Products,” (SLTA051).
Pin Descriptions
+Vin:
The positive input supply for the module with respect
to –Vin. When powering the module from a –48-V telecom
central office supply, this input is connected to the primary
system ground.
–Vin:
The negative input supply for the module, and the
0-VDC reference for the ‘Remote On/Off’ and ‘±Vo Adjust’
control inputs. When the module is powered from a +48-V
supply, this input is connected to the input source return.
Remote On/Off:
This is an open-collector (open-drain)
negative logic input that enables the module output. The
input is referenced to –Vin. Applying a low-level ground
signal to this pin disables the module’s outputs. A high
impedance enables the module’s outputs. If not used the
pin should be left unconnected.
Vo1:
The positive regulated power output voltage, which is
referenced to the COM node.
Vo2:
The negative regulated power output voltage, which is
referenced to the COM node.
COM:
The secondary return reference for the module’s two
regulated output voltages. It is dc isolated from the +Vin
and –Vin input supply pins.
±Vo Adjust:
Using a single resistor, this pin allows the
module’s complementary output voltages to be adjusted
higher or lower than their preset value. If not used, this
pin should be left open circuit. Consult the related appli-
cation note for further information.
PT4310 Series —48V
6-W Low-Profile Dual-Output
Isolated DC/DC Converter
SLTS146B - MARCH 2001 - REVISED MAY 2004
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