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DC/DC Converters
TMR 2 Series, 2 Watt
Features
◆ Wide 2:1 input voltage range
◆ Compact SIP-8 package
◆ Small footprint
◆ Full SMD design
◆ Temperature range –40° to +85°C
◆ High efficiency
◆ Excellent load and line regulation
◆ Indefinite short-circuit protection
◆ I/O isolation 1000VDC
◆ Remote On/Off control
◆ Fully RoHS compliant
◆ 3-year product warranty
UL 60950-1
The TMR-2 series is a family of isolated 2W dc-dc converter modules with regulated
output, featuring wide 2:1 input voltage ranges. The product comes in a compact
SIP-8 plastic package with small footprint occupying only 2.0 cm2 (0.3 square in.)
of board space.
An excellent efficiency allows –40° to +85°C operation temperatures. Further features include remote On/Off control and continuous short circuit protection. The
ultra-compact dimensions of these converters make them an ideal solution for many
space critical applications in communication equipment, instrumentation and industrial electronics.
Models
Ordercode
TMR 0510
TMR 0511
TMR 0512
TMR 0521
TMR 0522
TMR 0523
TMR 1210
TMR 1211
TMR 1212
TMR 1221
TMR 1222
TMR 1223
TMR 2410
TMR 2411
TMR 2412
TMR 2421
TMR 2422
TMR 2423
TMR 4810
TMR 4811
TMR 4812
TMR 4821
TMR 4822
TMR 4823
Input voltage range
4.5 – 9.0 VDC
(5 VDC nominal)
9 – 18 VDC
(12 VDC nominal)
18 – 36 VDC
(24 VDC nominal)
36 – 75 VDC
(48 VDC nominal)
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Output voltage
3.3 VDC
5 VDC
12 VDC
±5 VDC
±12 VDC
±15 VDC
3.3 VDC
5 VDC
12 VDC
±5 VDC
±12 VDC
±15 VDC
3.3 VDC
5 VDC
12 VDC
±5 VDC
±12 VDC
±15 VDC
3.3 VDC
5 VDC
12 VDC
±5 VDC
±12 VDC
±15 VDC
Output current max.
Efficiency typ.
500 mA
400 mA
165 mA
±200 mA
±85 mA
±65 mA
500 mA
400 mA
165 mA
±200 mA
±85 mA
±65 mA
500 mA
400 mA
165 mA
±200 mA
±85 mA
±65 mA
500 mA
400 mA
165 mA
±200 mA
±85 mA
±65 mA
64 %
66 %
71 %
64 %
69 %
71 %
70 %
73 %
80 %
73 %
78 %
78 %
71 %
74 %
81 %
74 %
78 %
80 %
70 %
73 %
79 %
71 %
77 %
77 %
Page 1 of 3
DC/DC Converters
TMR 2 Series
2 Watt
Input Specifications
Input current at full load (nominal input)
5
12
24
48
Vin
Vin
Vin
Vin
models:
models:
models:
models:
645 mA max.
242 mA max.
117 mA max.
62 mA max.
Surge voltage (100 msec. max.)
5
12
24
48
Vin
Vin
Vin
Vin
models:
models:
models:
models:
15 V max.
25 V max.
50 V max.
100 V max.
Input voltage variation (dv/dt) 5 V/ms, max.
(complies to ETS 300 132 part. 4.4)
Input Filter capacitor type
Start up time 1 ms typ. (at nominal input and resistive load)
Output Specifications
Voltage set accuracy ±1 %
Regulation
– Input variation Vin min. to Vin max.
– Load variation 10–100 %
3.3 VDC models:
single output models:
dual output models balanced load:
dual output models asymetric load:
0.5 % max.
0.85 % max.
0.75 % max.
1.0 % max.
5.0 % max. (25% / 100%)
Minimum load 10 % of rated max current (operation at lower
load condition is safe but a higher output ripple
will be experianced)
Ripple and noise (20 MHz Bandwidth) 50 mVpk-pk max.
Temperature coefficient ±0.1 %/°C
Short circuit protection continuous, automatic recovery
Capacitive load
3.3 VDC / 5 VDC output models: 2’200 µF max. / 1’000 µF max.
12 VDC / ±5 VDC output models: 170 µF max. / ±470 µF max.
±12 VDC / ±15 VDC output models: 100 µF max. / ±47 µF max.
General Specifications
Temperature ranges
– Operating –40°C to +85°C (with derating)
– Storage –55°C to +100°C
Derating (convection cooling) 2 %/K above 75°C
Humidity (non condensing) 95 % rel. H max.
Reliability, calculated MTTF (MIL-HDBK-217F, @ +25°C, ground benign) >2.3 Mio h
Isolation voltage (60 sec)
– Input/Output 1’000 VDC
Isolation capacity
– Input/Output 300 pF max.
Isolation resistance
– Input/Output (500 VDC) >1‘000 MOhm
Switching frequency 100 to 650 kHz (PFM)
Remote On/Off
– On: open or high impedance
– Off: 4...8 mA input current applied via 1KW resistor
– Off stand by input current max. 1mA
Safety approvals
– UL/cUL www.ul.com -> certifications -> File E188913
Application notes can be downloaded under:
www.tracopower.com/products/tmr2_application.pdf
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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Page 2 of 3
DC/DC Converters
TMR 2 Series
2 Watt
Physical Specifications
Casing material non-conductive plastic
Potting material epoxy (UL 94V-0-rated)
Weight 4.8 g (0.17oz) Physical Specifications
5
6
7
8
(0.36)
3
Pin-Out
3.2
(0.13)
2
9.2
Bottom view
1
0.25 (0.01)
Outline Dimensions mm (inches)
2.0
±0.5
(0.08
±0.025 )
2.54 2.54
(0.1)
(0.1)
2.54 2.54 2.54
5.08
(0.2)
(0.1)
21.8
(0.1)
(0.1)
(0.86)
Pin
Single
Dual
1
–Vin (GND)
–Vin (GND)
2
+Vin (Vcc)
+Vin (Vcc)
3
Remote On/Off
Remote On/Off
5
No function
No function
6
+Vout
+Vout
7
–Vout
Common
8
No function
–Vout
(0.16)
11.1 (0.44)
4.0
0.5 (0.02)
0.5 (0.02)
Dimensions in [mm], () = Inch
Pin pitch tolerances: ±0.25 (±0.01)
Tolerances: ±0.5 (±0.02)
Specifications can be changed any time without notice
Rev. 02/10
Jenatschstrasse 1 · CH-8002 Zurich · Switzerland
Tel. +41 43 311 45 11 · Fax +41 43 311 45 45 · info@traco.ch · www.tracopower.com
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Page 3 of 3
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