參數(shù)資料
型號(hào)： SQE48T20120-PDB0G
廠商： POWER-ONE INC
元件分類： 電源模塊
英文描述： 1-OUTPUT 240 W DC-DC REG PWR SUPPLY MODULE
封裝： ROHS COMPLIANT, ONE-EIGHTH BRICK PACKAGE-5
文件頁(yè)數(shù)： 6/13頁(yè)
文件大?。?/td> 434K
代理商： SQE48T20120-PDB0G
MCD10157 Rev. 1.0, 12-May-10
www.power-one.com
Page 2 of 13
SQE48T20120 DC-DC Converter
36-75 VDC Input; 12 VDC @ 20 A Output
Preliminary Data Sheet
Electrical Specifications
Conditions: TA = 25 C, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, Cin=100 F, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Absolute Maximum Ratings
Input Voltage
Continuous
-0.3
80
VDC
Transient (100ms)
100
VDC
Operating Temperature
(See Derating Curves)
Ambient (TA)
-40
85
°C
(Note: 1) Component (T
C)
-40
125
°C
Baseplate (TB)
-40
105
°C
Storage Temperature
-55
125
°C
Isolation Characteristics
I/O Isolation
w/o In/Out capacitor
(suffix ‘-xDx0x’)
2,250
VDC
Isolation Capacitance
200
pF
Isolation Resistance
10
M
I/O Isolation
with In/Out capacitor
(suffix ‘-xDxKx’)
1,500
VDC
Isolation Capacitance
1,200
1,500
pF
Isolation Resistance
10
M
Input to Baseplate
w/o In/Out capacitor
(suffix ‘-xGxBx’)
1,500
VDC
Output to Baseplate
1,500
VDC
Feature Characteristics
Switching Frequency
450
kHz
Output Voltage Trim Range
2
n/a
%
Remote Sense Compensation
2
n/a
%
Output Overvoltage Protection
(Non-latching)
110
120
130
%
Over Temperature Shutdown
(Non-latching)
(Note: 1) Component (T
C)
130
°C
Auto-Restart Period
Applies to all protection features
300
ms
Turn-On Time from Vin
Time from UVLO to Vo=90%VOUT(NOM)
Resistive load
10
ms
Turn-On Time from ON/OFF Control
Time from ON to Vo=90%VOUT(NOM)
Resistive load
10
ms
Turn-On Time from Vin
(w/ Co max.)
Time from UVLO to Vo=90%VOUT(NOM)
Resistive load, CEXT=10,000F load
12
ms
Turn-On Time from ON/OFF Control
(w/ Co max.)
Time from ON to Vo=90%VOUT(NOM)
Resistive load, CEXT=10,000F load
12
ms
ON/OFF Control (Positive Logic)
Converter Off (logic low)
-20
0.8
VDC
Converter On (logic high)
2.4
20
VDC
ON/OFF Control (Negative Logic)
Converter Off (logic low)
2.4
20
VDC
Converter On (logic high)
-20
0.8
VDC
Additional Notes:
1
Reference Figure E for component (TC and TB) locations.
2
This functionality not provided, however the unit is fully regulated.
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