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参数资料
| 型号： | PT3668 |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | 30-A Dual Output Isolated DC/DC Converter |
| 中文描述： | 30双输出隔离式DC / DC转换器 |
| 文件页数： | 3/15页 |
| 文件大小： | 317K |
| 代理商： | PT3668 |
For technical support and more information, see inside back cover or visit www.ti.com
A
SLTS181 OCTOBER 2002
PT3660 Series
30-A Dual Output Isolated
DC/DC Converter
Specifications
(Unless otherwise stated, T
a
=25°C, V
in
=48V, & Io
1
=Io
2
=10A)
PT3660 SERIES
Typ
Characteristics
Symbols
Conditions
Min
Max
Units
Output Current
Io
1
, Io
2
Vo
1
Vo
1
≤
3.3V
Vo
1
=
5.0V
All voltages
Vo
1
≤
3.3V
Vo
1
=
5.0V
0
0
0
0
0
36
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
15.5
—
—
280
—
30
—
—
—
—
—
—
48
±1
±0.5
±5
±2
±2
±2
±2
±2
±2
88
87
86
86
85
88
86
—
—
25
6.0
18
5
125
(1)
—
34
32
2
15
10
15
30
25
75
±2
—
±10
±10
±10
±10
±5
±3
±3
—
—
—
—
—
—
—
75
50
100
—
—
10
—
320
36
—
—
A
Vo
2
Total (both outputs)
A
Io
1
+Io
2
A
Input Voltage Range
Set Point Voltage Tolerance
Temperature Variation
Line Regulation
Load Regulation
V
in
V
o
tol
Reg
temp
Reg
line
Reg
load
V
%V
o
%V
o
mV
–40 to +100°C Case, Io
1
=Io
2
=0A
Over V
in
range with Io
1
=Io
2
=5A
1A
≤
Io
1
≤
Io
1
max, Io
2
=1A
1A
≤
Io
2
≤
Io
1
max, Io
1
=1A
1A
≤
Io
2
≤
Io
1
max, Io
1
=1A
1A
≤
Io
1
≤
Io
1
max, Io
2
=1A
Includes set-point, line load,
–40°C to +100°C case
Vo
1
Vo
2
Vo
1
Vo
2
Vo
1
Vo
2
mV
Cross Regulation
Reg
cross
mV
Total Output Variation
V
o
tol
%V
o
Efficiency
η
PT3661
PT3662
PT3663
PT3665
PT3666
PT3667
PT3668
V
o
=5V
V
o
<5V
%
V
o
Ripple (pk-pk)
V
r
Io
1
=Io
2
=5A, 20MHz bandwidth
mV
pp
Transient Response
t
tr
1A/μs load step from 50% to 100% I
o
max
(either output)
Each output with other unloaded
At turn-on to within 90% of V
o
Either output; shutdown and latch off
μSec
%V
o
A
mSec
%V
o
kHz
Current Limit
Output Rise Time
Output Over-Voltage Protection
Switching Frequency
Under-Voltage-Lockout
I
LIM
t
on
OVP
f
s
UVLO
Rising
Falling
V
Internal Input Capacitance
On/Off Control
Input High Voltage
Input Low Voltage
Input Low Current
Standby Current
External Output Capacitance
Primary/Secondary Isolation
C
in
μF
Referenced to –V
in
V
IH
V
IL
I
IL
I
in
standby
C
out
V
iso
C
iso
R
iso
V
temp
3.5
0
—
—
0
1500
—
10
—
—
–40
100
—
–40
—
—
—
—
—
—
0.5
3
—
—
1500
—
0.1
(3)
1.5
(3)
—
—
—
—
500
10
(6)
20
(6)
90
—
0.8
(2)
—
5
5,000
—
—
—
—
—
85
(4)
—
215
(5)
125
—
—
—
—
V
mA
mA
μF
V
pF
M
Pins 2, 3, & 4 connected
Per each output
Temperature Sense
Output voltage at temperatures:-
–40°C
100°C
V
Operating Temperature Range
Over-Temperature Protection
Solder Reflow Temperature
Storage Temperature
Mechanical Shock
Mechanical Vibration
T
a
OTP
T
reflow
T
s
—
—
Over V
in
range
Case temperature (auto restart)
Surface temperature of module pins or case
—
Per Mil-STD-883D, Method 2002.3
Per Mil-STD-883D, Method 2007.2,
20–2,000Hz
—
Materials meet UL 94V-0
°C
°C
°C
°C
G’s
Suffix N
G’s
Suffixes A, C
Weight
Flammability
Notes:
(1) This is a fixed parameter. Adjusting Vo
or Vo
2
higher will increase the module’s sensitivity to over-voltage detection. For more information, see the
application note on output voltage adjustment.
(2) The EN
and EN
control inputs (pins 3 & 4) have internal pull-ups and may be controlled with an open-collector (or open-drain) transistor. Both
inputs are diode protected and can be connected to +V
. The maximum open-circuit voltage is 5.4V.
(3) Voltage output at “TEMP” pin is defined by the equation:- V
= 0.5 + 0.01·T, where T is in °C. See pin descriptions for more information.
(4) See SOA curves or consult the factory for the appropriate derating.
(5) 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).
(6) The case pins on the through-holed package types (suffixes N & A) must be soldered. For more information see the applicable package outline drawing.
—
—
grams
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