參數(shù)資料
型號(hào): SQE48T40025-NDB0
廠(chǎng)商: POWER-ONE INC
元件分類(lèi): 電源模塊
英文描述: 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT, ONE-EIGHTH BRICK PACKAGE-8
文件頁(yè)數(shù): 6/13頁(yè)
文件大小: 764K
代理商: SQE48T40025-NDB0
SQE48T40025 DC-DC Converter
36-75 VDC Input; 2.5 VDC @ 40 A Output
Preliminary Data Sheet
Electrical Specifications
Conditions: TA = 25 C, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, Cin=33 F, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Absolute Maximum Ratings
Input Voltage
Continuous
-0.3
80
VDC
Operating Ambient Temperature
-40
85
°C
Operating Altitude
Iout = 40A
3000
m
Iout ≤ 32A
3001
10000
m
Storage Temperature
-55
125
°C
Isolation Characteristics
Standard Product: Option 0 (refer to Converter Part Numbering/Ordering Information)
I/O Isolation
2250
VDC
Isolation Capacitance
160
pF
Isolation Resistance
10
M
I/O Isolation
1500
VDC
Isolation Capacitance
200
1500
pF
Isolation Resistance
10
M
Feature Characteristics
Switching Frequency
440
kHz
Output Voltage Trim Range
1
Industry-std. equations
-20
+10
%
Remote Sense Compensation
1
Percent of VOUT(NOM)
+10
%
Output Overvoltage Protection
Non-latching
117
122
130
%
Overtemperature Shutdown (PCB)
Non-latching
125
°C
Operating Humidity
Non-condensing
95
%
Storage Humidity
Non-condensing
95
%
Peak amplitude
1
ADC
Peak Back-drive Output Current
(Sinking current from external source)
during startup into pre-biased output
Peak duration
50
s
Back-drive Output Current (Sinking Current
from external source)
Converter OFF;
external voltage 5 VDC
10
50
mADC
Auto-Restart Period
Applies to all protection features
200
ms
Turn-On Time
See Figures E, F, and G
3
15
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 high)
2.4
20
VDC
Converter On (logic low)
-20
0.8
VDC
Additional Notes:
1
Vout can be increased up to 10% via the sense leads or 10% via the trim function. However, the total output voltage trim from all sources
should not exceed 10% of VOUT(NOM), in order to ensure specified operation of overvoltage protection circuitry.
ZD-01723 Rev 1.1
www.power-one.com
Page 2 of 13
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