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參數資料
| 型號： | QEB50-48S3P3 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 50 WATTS SINGLE OUTPUT DC-DC CONVERTER |
| 中文描述： | 50瓦單輸出DC - DC變換器 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 104K |
| 代理商： | QEB50-48S3P3 |
OUTPUT SPECIFICATIONS
Output power
Voltage accuracy Full load and nominal Vin
50 Watts max
± 1.5%
Voltage adjustability (Note1)
Minimum load
Line regulation LL to HL at FL
Load regulation No load to Full load
Remote Sense
Ripple and noise with a 1uF M/C and a 10uF T/C)
Temperature coefficient
Transient response
recovery time
Over voltage protection
threshold(Non-latching Hiccup)
Over Current Protection threshold
Short circuit protection
INPUT SPECIFICATIONS
Input voltage range
Under voltage lockout
Power down
Input filter (Note 2)
Input surge voltage 100mS max
Start up time
constant resistor load
+ 10% , -20%
None
±0.2%
See table
10% of Vout
100mVp-p
0.02% / oC, max
25% load step change
200uS
120% Vout max
110% ~ 140% of Iout Rated
Hiccup, automatics recovery
48V nominal input
Power up
36 – 75VDC
34V typ.
32V typ.
L-C type
100VDC
25mS typ
25mS typ
Nominal Vin and
Power up
Remote ON/OFF
Remote ON/OFF (Note 3)
(Negative logic)
(Positive logic)
DC-DC ON
DC-DC OFF
DC-DC ON
DC-DC OFF
I
ON/OFF
= 1mA max
Short or 0V < Vr < 1.2V
Open or 3.5V < Vr < 15V
Open or 3.5V < Vr < 15V
Short or 0V < Vr < 1.2V
GENERAL SPECIFICATIONS
Efficiency
Isolation voltage
Isolation resistance
Isolation capacitance
Switching frequency
Approvals and standard
Case material
Weight (approx)
MTBF
Bellcore TR-NWT-000332, Tc=40 oC , Io=80%,max
ENVIRONMENTAL SPECIFICATIONS
Operating base-plate temperature range (Note 4)
Over temperature protection
Storage temperature range
Thermal shock
Vibration
10~55Hz, 2G, 3minutes period, 30minutes along X,Y and Z
See table
1600VDC,min
1000VDC,min
1000VDC,min
10
7
ohms, min
Input to Output
Input to Case
Output to Case
2500 pF, max
270 KHz, typ
IEC60950, UL60950, EN60950
Aluminum base plate
42g (1.46 oz)
2.5 x 10
6
hrs
-40
oC
to +100
oC
110oC, max
-55
oC
to +125
oC
MIL-STD-810D
Humidity , Max , Non-Condensing
EMC CHARACTERISTICS
95%
Conducted emissions
Radiated emissions
ESD
Radiated immunity
Fast transient
Surge
Conducted immunity
EN55022 (Note 5)
EN55022 (Note 5)
EN55022
EN61000-4-2
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-6
Level A
Level B
Level A
Perf. Criteria2
Perf. Criteria2
Perf. Criteria2
Perf. Criteria2
Perf. Criteria2
SINGLE OUTPUT UP TO 20A
INDUSTRY STANDARD FOOTPRINT
NO MINIMUM LOAD
ADJUSTABLE OUTPUT VOLTAGE
UNDER-VOLTAGE LOCKOUT
HIGH EFFICIENCY UP TO 91%
COMPACT 2.28 X 1.45 X 0.50 INCH PACKAGE
FIXED SWITCHING FREQUENCY
QEB50 single output DC/DC converters provide up to 50 watts of output power in an
industry standard quarter-brick package and footprint. These units are specifically
designed to meet the power needs of low-voltage silicon. All models feature a wide input
range, trimmable output voltage and a 20A current rating. Remote sense and remote
on/off facilities are included as standard, and the converters are comprehensively
protected against over-current, over-voltage and over-temperature conditions. The
QEB50 converters are especially suited to telecom, networking and industrial
application.
TE C H N I C AL S P E C I F I C AT I ON
All specifications are typical at nominal input, full load and 25oC otherwise noted
UL E193009
TUV R50020744
CB JPTUV-5363
CE MARK
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