Difference between revisions of "DC-DC adapter"
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(5A 30V DC-DC module description) |
(→1.5A / 17V constant-voltage: section added) |
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We try to have various [[step-down DC-DC adapter]]s available at the CommonsLab. These are modules, which take a higher DC voltage and convert them to a lower DC voltage. | We try to have various [[step-down DC-DC adapter]]s available at the CommonsLab. These are modules, which take a higher DC voltage and convert them to a lower DC voltage. | ||
| − | == 5A / 30V constant-current == | + | == 5A / 30V constant-current / constant-voltage == |
This version acts both as an adjustable constant voltage supply but has also an adjustable current limit. | This version acts both as an adjustable constant voltage supply but has also an adjustable current limit. | ||
[[Image:5A-30V-Step-Down.jpg|thumb|right]] | [[Image:5A-30V-Step-Down.jpg|thumb|right]] | ||
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;Operating Temperature: -40°C to +85°C | ;Operating Temperature: -40°C to +85°C | ||
;Size: 51mm x 26mm x 14mm (L x W x H) | ;Size: 51mm x 26mm x 14mm (L x W x H) | ||
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| + | == 1.5A / 17V constant-voltage == | ||
| + | This version acts both as an adjustable constant voltage supply but has also an adjustable current limit. | ||
| + | [[Image:...jpg|thumb|right]] | ||
| + | ;Input voltage: 4.75V-23V | ||
| + | ;Output voltage: 1V-17V | ||
| + | ;Output current: max. 1.5A (Beware of overheating! / 0.5s peak: 3A) | ||
| + | ;Conversion efficiency: < 95% | ||
| + | ;Switching frequency: 340KHz | ||
| + | ;Output ripple: >> 30mV (min, no load) | ||
| + | ;Voltage accuracy: ± 2.5% | ||
| + | ;Size: 17mm x 11mm x 3.8mm (L x W x H) | ||
Revision as of 18:36, 1 May 2017
We try to have various step-down DC-DC adapters available at the CommonsLab. These are modules, which take a higher DC voltage and convert them to a lower DC voltage.
5A / 30V constant-current / constant-voltage
This version acts both as an adjustable constant voltage supply but has also an adjustable current limit.
- Input voltage
- 5V-32V
- Output voltage
- 0.8V-30V
- Output current
- max. 5A (Beware of overheating!)
- Conversion efficiency
- < 95%
- Switching frequency
- 300KHz
- Output ripple
- < 50mV (max)
- Current accuracy
- ± 0.5%
- Voltage accuracy
- ± 2.5%
- Operating Temperature
- -40°C to +85°C
- Size
- 51mm x 26mm x 14mm (L x W x H)
1.5A / 17V constant-voltage
This version acts both as an adjustable constant voltage supply but has also an adjustable current limit.
- Input voltage
- 4.75V-23V
- Output voltage
- 1V-17V
- Output current
- max. 1.5A (Beware of overheating! / 0.5s peak: 3A)
- Conversion efficiency
- < 95%
- Switching frequency
- 340KHz
- Output ripple
- >> 30mV (min, no load)
- Voltage accuracy
- ± 2.5%
- Size
- 17mm x 11mm x 3.8mm (L x W x H)