參數(shù)資料
型號： PT4311C
廠商： Texas Instruments, Inc.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 6-W Low-Profile Dual-Output Isolated DC/DC Converter
中文描述： 6 - W低，檔案雙輸出隔離式DC / DC轉(zhuǎn)換器
文件頁數(shù)： 3/9頁
文件大小： 213K
代理商： PT4311C
For technical support or further information, visit http://power.ti.com
PT4310 Series —48V
6-W Low-Profile Dual-Output
Isolated DC/DC Converter
SLTS146B - MARCH 2001 - REVISED MAY 2004
Specifications
(Unless otherwise stated, T
a
=25°C, V
in
=53 V, C
out
=0 μF, and Io
1
=
Io
2
=Io
typ
)
PT4310 Series
Typ
Characteristic
Symbol
Conditions
Min
Max
Units
Ouput Power
Output Current
Po
(tot)
Io
1
,
Io
2
(1)
—
0.2
0.05
(2)
0.02
(2)
0.4
0.1
0.04
38
4.95
11.85
23.28
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
400
—
—
0.6
0.25
0.125
—
—
—
—
5.05
12
24
±0.5
±1
±1
±25
100
250
275
±5
±4
5.4
12.7
24.8
82
85
82
50
90
250
±75
±200
±500
5
2.5
0.4
1
0.25
0.5
1
—
36
6
1
0.45
0.125
1.2
0.5
0.25
75
5.15
12.15
24.72
—
—
—
±40
150
350
500
—
—
5.9
17
29
—
—
—
100
150
—
—
—
—
—
—
—
—
—
—
—
520
—
W
Over V
range
(any one output)
PT4311 ( ±5 V)
PT4313 (±12 V)
PT4314 (±24 V)
PT4311
PT4313
PT4314
(2)
A
Io
1
+
Io
2
(1)
Over V
range
(sum-total from both outputs)
A
Input Voltage Range
Set Point Voltage
V
in
Over I
o
range
V
Vo
1
,
Vo
2
(1)
PT4311
PT4313
PT4314
PT4311
PT4313
PT4314
V
Temperature Variation
Reg
temp
–40 >T
a
> +85°C
%V
Line Regulation
Load Regulation
Reg
line
Reg
load
Over V
in
range
Io
x
=0.6 A, 0.2 A
≤
Io
y
≤
0.6 A
Io
x
=0.25 A, 0.05 A
≤
Io
y
≤
0.25 A
Io
x
=0.125 A, 0.02 A
≤
Io
y
≤
0.125 A PT4314
Over V
and load range
–40°C >T
a
> +85°C
Io
1
=
Io
2
= 0
mV
PT4311
PT4313
mV
Total Output Voltage Variation
Vo
tot
PT4311, PT4314
%V
o
PT4313
PT4311
PT4313
PT4314
PT4311
PT4313
PT4314
PT4311
No-load Output Voltage
Vo
(no-load)
V
Efficiency
η
%
V
o
Ripple (pk-pk)
Vr
20 MHz bandwidth
mV
pp
PT4313, PT4314
Transient Response
t
tr
20%
≤
Io
y
≤
75% of Io
typ
, 25%load step
Io
x
Vo
x
over/undershoot
μs
V
tr
PT4311
PT4313
PT4314
mV
Output Voltage Adjust Range
Current Limit Threshold
±Vo
adj
I
Lim
Both outputs adjusted simulatenously
Over V
range,
V
o
=10%V
o
nom
%V
o
PT4311, PT4313
A
PT4314
Short Circuit Current
I
sc
PT4311, PT4313
A
PT4314
Inrush Current
I
ir
t
ir
o
UVLO
On start-up
A
ms
kHz
V
Switching Frequency
Under-Voltage Lockout
Remote On/Off (Pin 11)
Input High Voltage
Input Low Voltage
Input Low Cunrrent
Standby Input Current
Internal Input Capacitance
External Output Capacitance
Over V
in
range
Referenced to –V
in
(pin 17)
V
IH
V
IL
I
IL
I
in
standby
C
in
C
out
5
–0.1
—
—
—
0
0
0
1500
—
10
—
—
–0.2
10
1
—
—
—
—
1100
—
Open
(3)
+1
–
—
—
120
(4)
47
20
—
—
—
V
mA
mA
μF
pins 11 & 17 connected
Sum-total capacitance, connected from
both outputs to COM (pin 2)
PT4311
PT4313
PT4314
(4)
(4)
μF
Isolation Voltage
Capacitance
Resistance
Notes:
(1)
Io
2
and
Vo
2
indicates the magnitudes of the negative output parameters. Parameters within vertical brackets are quoted absolute.
(2) The DC/DC converter will operate at no load with reduced specifications. See “No-load Output Voltage” specification.
(3) The Remote On/Off (pin 11) has an internal pull-up. If the pin is left open the module will operate when input power is applied. Refer to the application
notes for interface considerations.
(4) Output capacitors are not required for proper operation. If added, Oscon or tantalum types are recommended for operation below 0°C ambient.
Input - output
V
pF
M
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參數(shù)描述
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