參數(shù)資料
型號： PT3407
廠商： Texas Instruments, Inc.
英文描述： "1.0V 16A
中文描述： 1.0V 16A 輸出 48V 輸入的隔離 DC/DC 轉(zhuǎn)換器
文件頁數(shù)： 2/13頁
文件大?。?/td> 284K
代理商： PT3407
For technical support and more information, see inside back cover or visit www.ti.com
PT3400 Series
35-W 48-V Input Isolated
DC/DC Converter
SLTS164B - JULY 2002 - REVISED OCTOBER 2002
Specifications
(Unless otherwise stated, T
a
=25°C, V
in
=48V, C
in
=0μF, I
o
=I
o
max, and C
out
as required)
PT3400 Series
Typ
Characteristic
Symbol
Conditions
Min
Max
Units
Output Current
I
o
Over V
in
range
V
≤
1.5V
0
0
0
0
36
—
—
—
—
—
—
—
—
—
—
48
±1
±0.8
±5
±5
±1
±1
16
12
10
7
75
±2
—
±20
±15
±15
(1)
±10
(1)
V
o
=
1.8V/2.5V
V
o
=
3.3V
V
o
=
5V
A
Input Voltage Range
Set Point Voltage Tolerance
Temperature Variation
Line Regulation
V
in
V
o
tol
Reg
temp
Reg
line
Over I
o
Range
VDC
%V
o
%V
o
mV
mV
mV
mV
–40°
≤
T
a
≤
+85°C, I
o
=I
o
min
Over V
in
range
V
o
=
5.0V
V
o
≤
3.3V
V
o
=
5.0V
V
o
≤
3.3V
Load Regulation
Reg
load
Over I
o
range
Total Output Voltage Variation
V
o
tot
Includes set-point, line, load,
–40°
≤
T
a
≤
+85°C
I
o
=70% of I
o
max
—
±2
±3
%V
o
Efficiency
η
V
o
=
5V
V
o
=
3.3V
V
o
=
2.5V
V
o
=
1.8V
V
o
=
1.5V
V
o
=
1.4V
V
o
=
1.2V
V
o
=
1V
V
o
≥
3.3V
V
o
≤
2.5V
—
—
—
—
—
—
—
—
—
—
—
—
–5
–0
—
—
—
—
250
—
—
91
90
89
85
84
84
82
80
50
25
100
±4
—
—
9
12.5
16
20
300
34
32
—
—
—
—
—
—
—
—
—
—
—
—
+5
+10
—
—
—
—
350
—
—
%
V
o
Ripple (pk-pk)
V
r
20MHz bandwidth
mV
pp
Transient Response
t
tr
V
tr
V
adj
0.1A/μs load step, 50% to 75% I
o
max
V
o
over/undershoot
μs
%V
o
Output Adjust
V
o
≥
2.5V
V
o
≤
1.8V
V
o
=
5.0V
V
=
3.3V
%V
o
Over-Current Threshold
I
TRIP
V
in
=36V
V
o
=
2.5V/1.8V
V
o
≤
1.5V
A
Switching Frequency
Under-Voltage Lockout
s
UVLO
Over V
in
range
Rising
Falling
Referenced to –V
in
(pin 3)
kHz
V
Enable On/Off (Pins 1, 2)
Input High Voltage
Input Low Voltage
Input Low Current
Standby Input Current
Internal Input Capacitance
External Output Capacitance
V
IH
V
IL
I
IL
I
in
standby
C
in
C
out
5
–0.3
—
—
—
470
(3)
330
(3)
0
1500
—
10
–40
(4)
—
–40
—
—
0.5
5
1.0
—
—
—
—
1500
—
—
—
—
Open
(2)
+0.4
—
—
—
TBD
TBD
TBD
—
—
—
85
(5)
215
(6)
125
V
mA
mA
μF
pins 1 & 3 connected
V
o
=
1.0V
V
o
≤
1.8V
V
o
≥
2.5V
μF
Isolation Voltage
Capacitance
Resistance
Operating Temperature Range
Solder Reflow Temperature
Storage Temperature
Reliability
Input–output/input–case
Input to output
Input to output
Over V
in
range
Surface temperature of module pins or case
—
Per Bellcore TR-332
50% stress, T
a
=40°C, ground benign
Per Mil-Std-883D, method 2002.3,
1mS, half-sine, mounted to a fixture
Mil-Std-883D, Method 2007.2,
20-2000Hz, PCB mounted
—
Materials meet UL 94V-0
V
pF
M
°C
°C
°C
T
a
T
reflow
T
s
MTBF
2.8
—
—
10
6
Hrs
Mechanical Shock
—
—
TBD
—
G’s
Mechanical Vibration
—
Vertical
Horizontal
—
—
—
TBD
(7)
TBD
(7)
34
—
—
—
G’s
Weight
Flammability
Notes:
(1) If the remote sense feature is not being used, –V
(pin 7) must be connected to –V
(pin 8).
(2) The On/Off Enable inputs (pins 1 & 2) have internal pull-ups. They may either be connected to –V
or left open circuit. Leaving pin 1 open-circuit and
connecting pin 2 to –V
allows the the converter to operate when input power is applied. The maximum open-circuit voltage of the Enable pins is 10V.
(3) An output capacitor is required for proper operation for all models in which the output voltage is 1.8VDC or less. For models with an output voltage of
2.5V or higher an output capacitor is optional.
(4) For operation below 0°C, Cout must have stable characteristics. Use low ESR tantalum capacitors, or capacitors with a polymer type dielectric.
(5) See Safe Operating Area curves or contact the factory for the appropriate derating.
(6) During 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 Surface Mount Products,” (SLTA051).
(7) The case pins on through-hole pin configurations (N & A) must be soldered. For more information see the applicable package outline drawing.
—
—
grams
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參數(shù)描述
PT3407A 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1.0V 16A 48-V Input Iso DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
PT3407C 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1.0V 16A 48-V Input Iso DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
PT3407N 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1.0V 16A 48-V Input Iso DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
PT3408 制造商:TI 制造商全稱:Texas Instruments 功能描述:35-W 48-V Input Isolated DC/DC Converter
PT3408A 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 5V 6A 48-V Input Iso DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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