TC8-R Series
TRUMPower
T
DC/DC CONVERTERS
2:1 Input, 12.5 to 20 Watt
MODEL NUMBER
OUTPUT
VOLTAGE
OUTPUT
CURRENT
OUTPUT
POWER
18-36 VDC IN
36-72 VDC IN
5A
5A
4A
2.5 VDC
3.3 VDC
5 VDC
TC8-13S482.5R
TC8-17S483.3R
TC8-20S4805R
12.5W
16.5W
20W
TC8-13S242.5R
TC8-17S243.3R
TC8-20S2405R
Other input/output combinations available.
ELECTRICAL SPECIFICATIONS
AllSpecificationsTypical@+25°C,NominalLine,andFull
Load Unless Otherwise Noted.
PIN CONNECTIONS
FUNCTION
PIN
Remote On/Off
No Pin
-Vin
+Vin
Trim
No Pin
-Vout
No Pin
+Vout
1
2
3
4
5
6
7
8
9
INPUT SPECIFICATIONS
NominalLine, 18-36VInput..................................24VDC
36-72VInput.................................48VDC
InputFilter............................................................PiFilter
OUTPUT SPECIFICATIONS
VoltageAccuracy.............................................±1%,Max.
LineRegulation,HL-LL..................................±0.2%,Max.
LoadRegulation,FL-25%FL..........................±1.0%,Max.
Ripple and Noise, 20MHz BW..................75mVp-p, Max.
MinumumLoad.........................................................10%
ShortCircuitProtection..................................Continuous
CurrentLimitThreshold...................................110-140%
OutputAdjustmentRange......................................±10%
1.80
(45.7)
0.20 (5.1)
9
8
7
6
5
•
•
•
•
•
0.20 (5.1)
0.20 (5.1)
0.20 (5.1)
0.20 (5.1)
4
3
2
1
•
•
•
•
0.20 (5.1)
0.20 (5.1)
1.00
(25.4)
BOTTOM
VIEW
GENERAL SPECIFICATIONS
0.20 (5.1)
0.20 (5.1)
Efficiency........................................................81%-86%
IsolationVoltage, InputtoOutput...............500VDC, Min.
SwitchingFrequency...................................500kHz,Min.
Operating Temperature Range................-25°C to +71°C
Storage Temperature Range.................-40°C to +100°C
CaseTemperature.....................................+100°C, Max.
Cooling.............................................FreeAirConvection
EMI/RFI...............................Six-SidedContinuousShield
Case Material..........................Black Coated Copper with
Non-Conductive Base
0.10
2.00
(50.8)
(2.54)
0.40
(10.2)
0.22 (5.6) MIN.
PIN SIZE: 0.04 INCH (1.0 mm) DIA.
ALL DIMENSIONS IN INCHES (mm)
REMOTE ON/OFF CONTROL
Logic Compatibility
Ec-ON
Ec-OFF
CMOS or Open Collector TTL
>+5.5 VDC or Open Circuit
<1.8 VDC
Control Common
Referenced to Input Minus
01/2008
Tumbler Technologies + TRUMPower • Santa Clara,CA • 408-988-6616 • sales@trumpower.com • www.TRUMPower.com