DC-DC CONVERTER
TDD40 SERIES
33 ~ 42W
MODEL LIST
MODEL NO.
TDD40 - 03S2 18~60 VDC 33 WATTS +3.3 VDC 10000 mA 76% TC
TDD40 - 05S2
TDD40 - 12S2
TDD40 - 15S2
TDD40 - 03S3 35~75 VDC
TDD40 - 05S3
TDD40 - 12S3
TDD40 - 15S3
TDD40 - 12D2 18~60 VDC
TDD40 - 15D2 18~60 VDC
TDD40 - 12D3
TDD40 - 15D3
INPUT
VOLTAGE
Single Output Models
18~60 VDC 40 WATTS
18~60 VDC 42 WATTS
18~60 VDC 42 WATTS
35~75 VDC 40 WATTS
35~75 VDC 42 WATTS
35~75 VDC 42 WATTS
Dual Output Models
35~75 VDC 40 WATTS
35~75 VDC 42 WATTS
OUTPUT
WATTAGE
WATTAGE
03 : 3.3V OUT
05
12 : 12V OUT
15 : 15V OUT
33 WATTS
40 WATTS
42 WATTS
TDD40 – 03 S 2
2: 18~60V IN
3: 35~75V IN
: 5V OUT
S : SINGLE OUTPUT
D : DUAL OUTPUT
OUTPUT
VOLTAGE
+ 5 VDC 8000 mA 82% TC
+ 12 VDC 3500 mA 85% TC
+ 15 VDC 2800 mA 85% TC
+3.3 VDC 10000 mA 76% TC
+ 5 VDC 8000 mA 82% TC
+ 12 VDC 3500 mA 85% TC
+ 15 VDC 2800 mA 85% TC
± 12 VDC ±1700 mA 84% TC
± 15 VDC ±1400 mA 84% TC
± 12 VDC ±1700 mA 84% TC
± 15 VDC ±1400 mA 84% TC
OUTPUT
CURRENT
EFF.
(MIN.)
CASE
FEATURES
* LOW COST
* 2:1 AND 3:1 WIDE INPUT RANGE
* I/O ISOLATION
* INPUT Pi FILTER
* SHORT CIRCUIT PROTECTION
* HIGH PERFORMANCE
* 2 YEARS WARRANTY
DESCRIPTION
THE TDD40 SERIES ARE 40WATTS SINGLE & DUAL OUTPUT DC/DC CONVERTER, 3:1 WIDE INPUT RANGE,
I/O IS O LATI O N , GO O D EF F IC IE N CY WI TH EX C EL L EN T LINE / LOAD REGULATION WITH SHORT CIRCUIT P ROTECT
FEATURES. IT MAKES TDD40 SUITABLE TO POWER COMMERCIAL & INDUSTRIAL TYPES OF ELECTRONIC
CIRCUITS AT VERY LOW COST. ALL TDD40 MODELS ARE PACKAGED IN 3” x2” x 0.95” HEIGHT OF
HEATSINK TO BE ADVISED BLACK COATED METAL CASE WITH NON-CONDUCTIVE PLASTIC BASE PLATE
CONFIGURATION, AND PCB MOUNTABLE DIRECTLY.
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
DC-DC CONVERTER
TDD40 SERIES
33 ~ 42W
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25 Unless Otherwise Noticed℃
GENERAL SPECIFICATION
* Switching frequency: .........................
* Isolation voltage: ..............................
* Isolation resistance: ..........................
* Operating ambient temperature: .........
* Storage temperature: ........................
* Max. Case temperature: .....................
* M.T.B.F.: ..........................................
* Cooling: ...........................................
* Transient recovery time: ....................
* Temperature coefficient: ....................
* Dimension: ......................................
INPUT SPECIFICATIONS
* Input voltage range / frequency: ..........
* Input filter: .......................................
OUTPUT SPECIFICATIONS
* Output voltage accuracy: ...................
* Minimum load: ..................................
* Line regulation: ................................
* Load regulation: ...............................
* Ripple & noise: .................................
* Efficiency: ........................................
* Voltage trim range: ...........................
* Derating: .........................................
* Case material: ..................................
CONTROL AND PROTECTION
* Remote on/off: .................................
* Output short circuit: ..........................
>200KHz
1,500VDC
100M Ω(min.)
-25 to +71℃
-40 to +100℃
100℃
218,000Hrs at @ GF40, according to MIL-HDBK-217F
Free air convection
500µS, 25% load step change
±0.02% / ℃
76.2 x 50.8 x 24mm
18 ~ 60VDC for 24V
35 ~ 75VDC for 48V
Pi filter
±2% at Vo_nom
No load for single output models
±6% at Vo_nom for dual output models
±1% at Vo_nom
±2% (NL ~ FL) at Vo_nom for single output models
±5% (20% ~ FL) at Vo_nom for dual output models
Vout x ±1%mVp-p (max.)
Up to 85%, see model list
±10% at Vo_nom
±5% for 3.3V_out
51℃
Metal
ON : open or 8 ~ 10VDC
OFF : -0.3 ~ 2VDC
Continuous
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
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