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CTDD3120DF-D1.5K-3 Series
4:1 Wide Input Isolated & Regulated
3W Output, Dual Output |
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| Features |
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| Efficiency: To 78%. |
| Temperature Range: -40°C to +85°C. |
| Isolation: 1.5KVDC. |
| Package: UL94-V0. |
| Miscellaneous: Wide (4:1) Input Range. Dual Output. No heat sink required. Short Circuit Protection. Custom service available. |
| Samples available. |
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| Characteristics |
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| Output Short Circuit Protection: Continuous Automatic Recovery. |
| Temperature Rise at Full Load: 15°C (Typ.) |
| Cooling: Free air convection. |
| No Load, Power Consumpton: 200mW (typical). |
| Operating Temperature Range: -40°C to +85°C. |
| Storage Temperature Range: -55°C to +125°C. |
| Lead Temperature: 300°C (1.5mm from case for 10 seconds). |
| Storage Humidity Range: ≤95%. |
| Case Material: Plastic (UL94-V0). |
| MTBF: >1,000,000 hours. |
| Miscellaneous: RoHS Compliant. |
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| Part Number |
Vin
Nom.
(VDC) |
Input Range
(VDC) |
Vin
Max*
(VDC) |
Vout
(VDC) |
Iout
Max.
(mA) |
Iout
Min.
(mA) |
Effi.
Typ.
(%) |
Request
Samples
& Quotes |
| CTDD3120DF-2405-D1.5K-3 |
24 |
9-36 |
40 |
±5 |
±300 |
±30 |
72 |
 Request |
| CTDD3120DF-2412-D1.5K-3 |
24 |
9-36 |
40 |
±12 |
±125 |
±12 |
78 |
Request |
| CTDD3120DF-2415-D1.5K-3 |
24 |
9-36 |
40 |
±15 |
±100 |
±10 |
76 |
Request |
| CTDD3120DF-4805-D1.5K-3 |
48 |
18-72 |
80 |
±5 |
±300 |
±30 |
72 |
Request |
| CTDD3120DF-4812-D1.5K-3 |
48 |
18-72 |
80 |
±12 |
±125 |
±12 |
78 |
Request |
| CTDD3120DF-4815-D1.5K-3 |
48 |
18-72 |
80 |
±15 |
±100 |
±10 |
76 |
Request |
| *If input voltage above specified may cause permanent damage to the device |
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| Item |
Test Condition |
Min |
Typ |
Max |
Units |
| Isolation Voltage |
Flash tested for 1 minute |
1500 |
- |
- |
VDC |
| Isolation Resistance |
Test at 500VDC |
1000 |
- |
- |
MW |
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| Item |
Test Condition |
Min |
Typ |
Max |
Units |
| 3W Output Power |
- |
0.3 |
- |
3 |
W |
| Voltage accuracy |
Refer to Recommended Circuit |
- |
±1 |
±3 |
% |
| Load Regulation |
From 10% to 100% full load |
- |
±0.5 |
±1 |
% |
| Line Regulation |
Input Voltage from low to high |
- |
±0.2 |
±0.5 |
% |
| Temperature Drift (Vout) |
Refer to Temp. Derating Graph |
- |
- |
±0.03 |
%/°C |
| Ripple |
20MHz Bandwidth |
- |
- |
50 |
mVp-p |
| Noise |
20MHz Bandwidth |
- |
50 |
150 |
mVp-p |
| Switching Frequency |
100% load, nominal input voltage |
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300 (PFM) |
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KHz |
| Note: All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output unless otherwise specified. |
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| Last Revised 08.13.07 |
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