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參數(shù)資料
| 型號： | PT4313C |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 6 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | SMD-9 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 226K |
| 代理商： | PT4313C |
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, Ta =25°C, Vin =53 V, Cout =0 F, and Io1 = Io2 =Iotyp)
PT4310 Series
Characteristic
Symbol
Conditions
Min
Typ
Max
Units
Ouput Power
Po(tot)
——6
W
Output Current
Io1, Io2 (1)
Over Vin range
PT4311 ( ±5 V)
0.2
(2)
0.6
1
(any one output)
PT4313 (±12 V)
0.05 (2)
0.25
0.45
A
PT4314 (±24 V)
0.02 (2)
0.125
Io1 +Io2 (1)
Over Vin range
PT4311
0.4
—
1.2
(sum-total from both outputs)
PT4313
0.1
—
0.5
A
PT4314
0.04
—
0.25
Input Voltage Range
Vin
Over Io range
38
—
75
V
Set Point Voltage
Vo1, Vo2 (1)
PT4311
4.95
5.05
5.15
PT4313
11.85
12
12.15
V
PT4314
23.28
24
24.72
Temperature Variation
Regtemp
–40 >Ta> +85°C
PT4311
—
±0.5
—
PT4313
—
±1
—
%V
PT4314
—
±1
—
Line Regulation
Regline
Over Vin range
—
±25
±40
mV
Load Regulation
Regload
Iox =0.6 A, 0.2 A ≤Ioy≤ 0.6 A
PT4311
—
100
150
Iox =0.25 A, 0.05 A ≤Ioy≤ 0.25 A
PT4313
—
250
350
mV
Iox =0.125 A, 0.02 A ≤Ioy≤ 0.125 A PT4314
—
275
500
Total Output Voltage Variation
Votot
Over Vin and load range
PT4311, PT4314
—
±5
—
%Vo
–40°C >Ta > +85°C
PT4313
—
±4
—
No-load Output Voltage
Vo(no-load)
Io1 =Io2 = 0
PT4311
—
5.4
5.9
PT4313
—
12.7
17
V
PT4314
—
24.8
29
Efficiency
η
PT4311
—
82
—
PT4313
—
85
—
%
PT4314
—
82
—
Vo Ripple (pk-pk)
Vr
20 MHz bandwidth
PT4311
—
50
100
mVpp
PT4313, PT4314
—
90
150
Transient Response
ttr
20%
≤ Ioy≤ 75% of Iotyp, 25%load step Iox
—
250
—
s
Vtr
Vox over/undershoot
PT4311
—
±75
—
PT4313
—
±200
—
mV
PT4314
—
±500
—
Output Voltage Adjust Range
±Vo adj
Both outputs adjusted simulatenously
—
5
—
%Vo
Current Limit Threshold
ILim
Over Vin range,
PT4311, PT4313
—
2.5
—
A
Vo=10%Vonom
PT4314
—
0.4
—
Short Circuit Current
Isc
PT4311, PT4313
—
1
—
A
PT4314
—
0.25
—
Inrush Current
Iir
On start-up
—
0.5
—
A
tir
—1
—ms
Switching Frequency
o
Over Vin range
400
—
520
kHz
Under-Voltage Lockout
UVLO
—
36
—
V
Remote On/Off (Pin 11)
Referenced to –Vin (pin 17)
Input High Voltage
VIH
5
—
Open (3)
V
Input Low Voltage
VIL
–0.1
—
+1
Input Low Cunrrent
IIL
—
–0.2
–
mA
Standby Input Current
Iin standby
pins 11 & 17 connected
—
10
—
mA
Internal Input Capacitance
Cin
—1
—F
External Output Capacitance
Cout
Sum-total capacitance, connected from
PT4311
0
—
120 (4)
both outputs to COM (pin 2)
PT4313
0
—
47 (4)
F
PT4314
0
—
20 (4)
Isolation Voltage
Input - output
1500
—
V
Capacitance
—
1100
—
pF
Resistance
10
——M
Notes:
(1)
Io2 and Vo2 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.
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