QF-XT&QE-XT Series
0.25W, FIXED INPUT, ISOLATED SINGLE/DUALOUTPUT DC-DC CONVERTER
SELECTION GUIDE
Input
Output
Current(mA)
Efficiency
(%.Typ.)
Order code
Voltage(VDC)
Voltage
(VDC)
Nominal
Range
Max.
QF0503XT
QF0505XT
QF0512XT
QF0515XT
QE0505XT
5
5
5
5
5
4.5-5.5
4.5-5.5
4.5-5.5
4.5-5.5
4.5-5.5
3.3
5
65
50
81
83
74
76
81
FEATURES
◆Fixed Input Range
12
15
±5
21
◆Short Circuit Protection(automatic recovery)
◆I/O isolation voltage 3000VDC
◆Operating Temperature: -40℃~﹢85℃
◆High efficiency up to 80%
16.75
±25
QE0512XT
QE0515XT
5
5
4.5-5.5
4.5-5.5
±12
±15
±13
85
83
±8.5
QF1203XT
QF1205XT
QF1212XT
QF1215XT
QE1205XT
QE1212XT
QE1215XT
QF2403XT*
QF2405XT *
QF2412XT *
QF2415XT*
QE2405XT *
QE2412XT *
QE2415XT*
* Desining ...
12
12
12
12
12
12
12
24
24
24
24
24
24
24
10.8-13.2
10.8-13.2
10.8-13.2
10.8-13.2
10.8-13.2
10.8-13.2
10.8-13.2
21.6-26.4
21.6-26.4
21.6-26.4
21.6-26.4
21.6-26.4
21.6-26.4
21.6-26.4
3.3
5
65
50
86
85
74
78
80
80
85
81
85
83
86
85
74
78
◆High accuracy of pin co-planarity
◆Small SMD package with footprint
◆Available in tape and reel package
◆Single and dual output models
◆Excellent load and line regulation
12
21
15
16.75
±25
±13
±8.5
65
±5
±12
±15
3.3
5
MODEL SELECTION
50
①
②
③
④
⑤
F(E) 05 05 X T
12
21
15
16.75
±25
±13
±8.5
①Product Series
③Output Voltage
⑤SMD Package
②Input Voltage
④Fixed Input
±5
±12
±15
APPLICATIONS
Case material:non-conductive plastic(UL 91V-0 rated)
Weight: 2.0g (0.07oz)
The QF(E)-XT series are miniature,0.25W DC/DC
converters with high isolation in a SMD package.With a
new package design these converters are qualified for the
higher temperatures requested by lead-free reflow solder
processes.With the small footprint,these converters are the
ideal solution for board level power distribution,mainly for
applications in the industrial and telecom field. For
automated SMD production lines the devices can be
supplied in standard tape and reel package.
Input Specifications
Parameter
Conditions
Max.
Input current at full load
5 Vin models:
7.5mA/65mA typ.
3.75mA/27.5mA typ.
2mA/13.75mA typ.
2.25V max.
12Vin models:
24Vin models:
5 Vin models:
12 Vin models:
24 Vin models:
MICRODC RESERVES THE COPYRIGHT
Surge voltage
(1sec. max.)
4.5V max.
7.5V max.
Reverse voltage protection
Input filter
0.075A max.
internal capacitor
http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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