TR20B
S
E
R
I
E
S
Specifications
INPUT SPECIFICATIONS:
Voltage ........................................................................................90 ~ 264Vac
Frequency .......................................................................................47 to 63Hz
Input Current ...................................................................................0.6A max.
Inrush Current..................................................................50A max. @ 240Vac
Input Power (No Load)..............................................0.75W max. @ 240Vac
Isolation ..............................................................lnput to output =4,242VDC
Leakage Current..........................................................................1.5mA max
TR20B Series Derating Curve
100%
80%
60%
20LFM(Natural Convection)
40%
20%
0%
0
10
20
30
40
50
60
Ambient Temperature(˚C)
20W SWITCHING
ADAPTER
OUTPUT SPECIFICATIONS:
Holdup Time ..................................................................10mS typ. @115Vac
Short Circuit Protection ................................Continuous (Auto Recovery)
Over Voltage Protection .........................................................................Yes
ENVIRONMENTAL CHARACTERISTICS:
Operating Temperature .................................................................
0 ~ 40˚C
Storage Temperature ...................................................................-20
~ 85˚C
NOTE:
1. Voltage accuracy is set at 60% full load.
2. Add a 0.1µF ceramic capacitor and a 10µF E.L. capacitor to output for Ripple &
Noise measuring @20MHz BW.
Features
• Universal Input Range 90-264VAC
• Over Voltage Protection
• Meets EN55022 Class B and
• Except TR20B033 and TR20B050,
CISPR/FCC Class B, Conducted
TR20B series meets CEC Level
III
• Continuous Short Circuit Protection
(Output Cable Length 1800mm)
• AC Inlet IEC320-C6/C8/C14
Ordering information
-
XX
E
TR20BXXX
X
XX
MECHANICAL CHARACTERISTICS:
Dimensions ..........110.00 x 50.00 x 30.00mm(4.331 x 1.969 x 1.181 Inches)
Weight .............................................................................210g (0.46 Pounds)
3. Line regulation is measured from 100Vac to 240Vac with full load.
4. Load regulation is measured from 60% to 100% full load and from 60% to 20% full load
(60% +/- 40% full load)
5. TR20BxxxX=IEC320/C14, TR20BxxxA=IEC320/C6, TR20BxxxB=IEC320/C8
Mechanical Specification
All Dimensions In Inches(mm)
Tolerance
Inches: x.xxx= ±0.02
Millimeters: x.xx= ±0.5
Model No.
AC Inlet Type
None : IEC320/C14
A : IEC320/C6
B : IEC320/C8
DC Plug Type
* Please see Page235 for more
detailed descriptions
DC Cable Length and Type
01 : 720mm
02 : 1200mm
03 : 1800mm
11 : 720mm with Ferrite Core
12 : 1200mm with Ferrite Core
13 : 1800mm with Ferrite Core
* 18AWG / SPT1
MODEL
TR20B033
OUTPUT
VOLTAGE
3.3V
MAX.
LOAD
4500mA
MIN.
LOAD
0A
RIPPLE &
NOISE
50mVp-p
VOLTAGE
LINE
LOAD
ACCURACY REGULATION REGULATION
± 3%
± 1%
± 7%
SWITCHING
FREQUENCY
60KHz Typ.
%EFF
64% min.
TR20B050
5V
4000mA
0A
50mVp-p
± 2%
± 1%
± 6%
60KHz Typ.
70% min.
TR20B090
9V
2300mA
0A
90mVp-p
± 2%
± 1%
± 3%
60KHz Typ.
75% min.
TR20B120
12V
1700mA
0A
100mVp-p
± 2%
± 1%
± 2%
60KHz Typ.
77% min.
TR20B150
15V
1400mA
0A
100mVp-p
± 2%
± 1%
± 2%
60KHz Typ.
77% min.
TR20B180
18V
1200mA
0A
150mVp-p
± 2%
± 1%
± 2%
60KHz Typ.
78% min.
TR20B240
24V
850mA
0A
150mVp-p
± 2%
± 1%
± 2%
60KHz Typ.
78% min.
Typical at 25˚C, nominal line and 75% load, unless otherwise Specified.
TR20BXXXX=IEC320/C14, TR20BXXXA=IEC320/C6, TR20BXXXB=IEC320/C8
T R 2 0 B
Embedded System
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