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参数资料
| 型号： | PT4413N |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 100 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 5/11页 |
| 文件大小： | 262K |
| 代理商： | PT4413N |
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.
PT4411—48 V
100-Watt 48-V Input
Isolated DC/DC Converter
PT4411 Characterstic Data
Efficiency vs Load Current; Vin =48 V (See Note A)
Output Ripple vs Load Current; Vin =48 V (See Note A)
Power Dissipation vs Load Current; Vo =3.3 V (See Note A)
50
60
70
80
90
100
0
5
10
15
20
25
30
Iout (A)
Efficiency
-
%
3.3V
2.5V
1.8V
1.5V
VOUT
0
20
40
60
80
100
0
5
10
15
20
25
30
Iout (A)
Ripple
-
mV
3.3V
2.5V
1.8V
1.5V
VOUT
0
3
6
9
12
15
0
5
10
15
20
25
30
Iout (A)
Pd
-
Watts
75.0V
60.0V
48.0V
36.0V
VIN
20
30
40
50
60
70
80
90
0
5
10
15
20
25
30
Iout (A)
Ambient
Temperature
(°C)
400LFM
300LFM
200LFM
100LFM
Nat conv
Airflow
Safe Operating Area; Vin =48 V (See Note B)
SLTS170C - JULY 2002 - REVISED JUNE 2003
PT4411 Specifications (Unless otherwise stated, Ta =25 °C, Vin =48 V, Vo =3.3 V, Co =0 F, and Io =Iomax)
PT4411
Characteristic
Symbol
Conditions
Min
Typ
Max
Units
Output Current
Io
Over Vin range
0
—
30
A
Input Voltage Range
Vin
Over Io Range
36
48
75
V
Set Point Voltage Tolerance
Vo tol
—
±0.6 (1)
—%Vo
Temperature Variation
Regtemp
–40° >Ta > +85 °C
—
±0.8
—
%Vo
Line Regulation
Regline
Over Vin range
—
±1
—
mV
Load Regulation
Regload
Over Io range
—
±1
—
mV
Total Output Voltage Variation
Votot
Includes set-point, line, load,
—
±1.6
±3
%Vo
–40° >Ta > +85 °C
Efficiency
η
Io =15 A
—
91
—
%
Vo Ripple (pk-pk)
Vr
20 MHz bandwidth
—
50
—
mVpp
Transient Response
ttr
1 A/s load step, 50 % to 100 % Iomax
—
75
—
s
Vtr
Vo over/undershoot
—
±5
—
%Vo
Over-Current Threshold
ITRIP
Shutdown, followed by auto-recovery
—
36
—
A
Output Over-Voltage Protection
OVP
Output shutdown and latch off
—
125
—
%Vo
Switching Frequency
o
Over Vin range
250
300
350
kHz
Under-Voltage Lockout
UVLO
—
32
—
V
Remote On/Off Input
Referenced to –Vin
Input High Voltage
VIH
4.5
—
Open (2)
V
Input Low Voltage
VIL
–0.2
—
+0.8
Input Low Current
IIL
—
–0.3
—
mA
Standby Input Current
Iin standby
pins 1 & 2 connected
—
2
—
mA
Internal Input Capacitance
Cin
—1.4
—
F
External Output Capacitance
Cout
Between +Vo and –Vo
0
5,000
F
Isolation Voltage
Input-output & input-case
1500
—
Vdc
Capacitance
Input-output
—
1200
—
pF
Resistance
Input-output
10
—
M
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.
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