Calex DC DC Converters, COTS Power Modules, AC DC Power Supplies and Signal Conditioners

Surface Mount DC DC Converters

CALEX announces the SMT Series 1 and 3 watt single and dual output DC DC converter families. The 1 watt single output SMT Series offers 5VDC and 12VDC nominal inputs with 5, 9, 12 and 15VDC outputs. The 1 watt dual output SMT Series offers 5VDC and 12VDC nominal inputs with ±5, ±9, ±12 and ±15VDC outputs. The input range for both the SMT 1 watt singles and duals is ±10%.

The 1 watt SMT single and dual output converters are all isolated input to output. The isolation voltage is 1000VDC. Efficiencies run as high as 82% for the singles and 80% for the duals. The switching frequency is typically 100kHz. Line regulation is typically ±1.2% and output noise is typically 60mV peak to peak. Load regulation varies by model but is as low as 5% max for the 15VDC single and dual output models. The operating temperature range is –25°C to +85°C ambient. The package size for the 1 watt singles and duals is 0.31” x 0.6” x 0.27”H.

The 3 watt single and dual output SMT models are housed in a 0.58” x 1.27” x 0.4”H package. The 3 watt SMT Series offers nominal inputs of 12, 24 and 48VDC. The input range is 9 to 18, 18 to 36 and 36 to 75 respectively. Single output options include 3.3, 5, 12 and 15VDC. Dual output options are ±5, ±12 and ±15VDC. Isolation voltage for the 3 watt SMT singles and duals is 1500VDC. Efficiencies run as high as 83% for the single output models and 82% for the dual output models.

Complete Datasheets:

1 Watt SMT Single Series DC DC Converters
3 Watt SMT Single Series DC DC Converters
1 Watt SMT Dual Series DC DC Converters
3 Watt SMT Dual Series DC DC Converters


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Calex Mfg. Co. Inc.
2401 Stanwell Drive
Concord, CA 94520
800-542-3355, Fax 925-687-3333
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