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| 型號(hào)： | SQM48T20033-PAA0 |
| 廠商： | POWER-ONE INC |
| 元件分類(lèi)： | 電源模塊 |
| 英文描述： | 1-OUTPUT 66 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ONE-EIGHTH BRICK PACKAGE-8 |
| 文件頁(yè)數(shù)： | 12/33頁(yè) |
| 文件大?。?/td> | 404K |
| 代理商： | SQM48T20033-PAA0 |
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MCD10208 Rev. 1.0, 08-Jul-10
Page 2 of 33
www.power-one.com
SQM48T/S20 DC-DC Converter Data Sheet
36-75 VDC Input; 1.2-3.3 VDC @ 20A Outputs
Electrical Specifications (common for all versions)
Conditions: TA=25 C, Airflow=300 LFM (1.5 m/s), Vin=48 VDC, All output voltages, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Absolute Maximum Ratings
Input Voltage
Continuous
0
80
VDC
Operating Ambient Temperature
-40
85
°C
Storage Temperature
-55
125
°C
Input Characteristics
Operating Input Voltage Range
36
48
75
VDC
Input Under Voltage Lockout
Non-latching
Turn-on Threshold
33
34
35
VDC
Turn-off Threshold
31
32
33
VDC
Input Voltage Transient
100 ms
100
VDC
Isolation Characteristics
I/O Isolation
2000
VDC
Isolation Capacitance
160
pF
Isolation Resistance
10
M
Feature Characteristics
Switching Frequency
415
kHz
Output Voltage Trim Range
1
Industry-std. equations (3.3 - 1.5 V)
-20
+10
%
Use trim equation on Page 4 (1.2 V)
-10
+10
%
Remote Sense Compensation
1
Percent of VOUT(NOM)
+10
%
Output Over-Voltage Protection
Non-latching (3.3 – 1.5 V)
117
122
127
%
Non-latching (1.2 V)
124
132
140
%
Auto-Restart Period
Applies to all protection features
100
ms
Turn-On Time
See Figs. F, G and H
3
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 up to 10% via the trim function. However, the total output voltage trim from all
sources should not exceed 10% of VOUT(NOM), in order to insure specified operation of overvoltage protection circuitry.
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