參數(shù)資料
型號： PT4413A
廠商： Texas Instruments, Inc.
英文描述： 100-Watt 48-V Input Isolated DC/DC Converter
中文描述： 100瓦48 - V輸入隔離DC / DC轉(zhuǎn)換器
文件頁數(shù)： 4/10頁
文件大?。?/td> 243K
代理商： PT4413A
For technical support and more information, see inside back cover or visit www.ti.com
Note A:
All data listed in the above graphs has been developed from actual products tested at 25 °C. This data is considered typical data for the DC-DC Converter.
Note B:
SOA curves represent operating conditions at which internal components are at or below manufacturer’s maximum rated operating temperature.
PT4412
—
48 V
100-Watt 48-V Input
Isolated DC/DC Converter
PT4412 Characterstic Data
Efficiency vs Load Current; V
in
=48 V
(See Note A)
Output Ripple vs Load Current; V
in
=48 V
(See Note A)
Power Dissipation vs Load Current; V
o
=1.5 V
(See Note A)
Safe Operating Area; V
in
=48 V
(See Note B)
20
30
40
50
60
70
80
90
0
5
10
15
20
25
30
Iout (A)
A
°
C
300LFM
200LFM
100LFM
Nat conv
Airflow
50
60
70
80
90
100
0
5
10
15
20
25
30
Iout (A)
E
1.75V
1.5V
1.2V
1.05V
V
OUT
0
10
20
30
40
50
0
5
10
15
20
25
30
Iout (A)
R
1.75V
1.5V
1.2V
1.05V
V
OUT
0
2
4
6
8
10
12
0
5
10
15
20
25
30
Iout (A)
P
75.0V
60.0V
48.0V
36.0V
V
IN
SLTS170C - JULY 2002 - REVISED JUNE 2003
PT4412 Specifications
(Unless otherwise stated, T
a
=25 °C, V
in
=48 V, V
o
=1.5 V, C
o
=0 μF, and I
o
=I
o
max)
PT4412
Typ
Characteristic
Symbol
Conditions
Min
Max
Units
Output Current
Input Voltage Range
Set Point Voltage Tolerance
Temperature Variation
Line Regulation
Load Regulation
Total Output Voltage Variation
I
o
V
in
V
o
tol
Reg
temp
Reg
line
Reg
load
V
o
tot
Over V
in
range
Over I
o
Range
0
36
—
—
—
—
—
48
±0.6
(1)
±0.8
±1
±1
30
75
—
—
—
—
A
V
%V
o
%V
o
mV
mV
–40° >T
a
> +85 °C
Over V
in
range
Over I
o
range
Includes set-point, line, load,
–40° >T
a
> +85 °C
I
o
=15 A
20 MHz bandwidth
1 A/μs load step, 50 % to 75 % I
o
max
V
o
over/undershoot
Shutdown, followed by auto-recovery
Output shutdown and latch off
Over V
in
range
—
±1.6
±3
%V
o
Efficiency
V
o
Ripple (pk-pk)
Transient Response
η
V
r
t
tr
V
tr
I
TRIP
OVP
o
UVLO
—
—
—
—
—
—
225
—
86.5
30
75
±5
38
125
275
32
—
—
—
—
—
—
325
—
%
mV
pp
μs
%V
o
A
%V
o
kHz
V
Over-Current Threshold
Output Over-Voltage Protection
Switching Frequency
Under-Voltage Lockout
Remote On/Off Input
Input High Voltage
Input Low Voltage
Input Low Current
Standby Input Current
Internal Input Capacitance
External Output Capacitance
Isolation Voltage
Capacitance
Resistance
Notes:
(1) If (–)Remote Sense is not used, pin 12 must be connected to pin 13 for optimum output voltage accuracy.
(2) The Remote On/Off input has an internal pull-up. If it is left open-circuit the module will operate when input power is applied. A discrete MOSFET or
bipolar transistor is recommended to control this input. The open-circuit voltage is typically 5 V. See application notes for interface considerations.
Referenced to –V
in
V
IH
V
IL
I
IL
I
in
standby
C
in
C
out
4.5
–0.2
—
—
—
0
1500
—
10
—
—
–0.3
2
1.4
Open
(2)
+0.8
—
—
—
5,000
—
—
—
V
mA
mA
μF
μF
Vdc
pF
M
pins 1 & 2 connected
Between +V
o
and –V
o
Input-output & input-case
Input-output
Input-output
—
1200
—
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