Specification

1 Watts

•

Regulated Single & Dual Output

•

Wide 2:1 Input Range

•

SIP or DIP Package

•

1000 VDC Isolation

•

Optional 3000 VDC Isolation

•

Continuous Short Circuit Protection

•

MTBF >2.7 MHrs

IW Series

Input

Input Voltage Range

• 5 V models: 4.5 - 9.0 V

12 V models: 9.0 - 18.0 V

24 V models: 18.0 - 36.0 V

48 V models: 36.0 - 72.0 V

Input Reflected Ripple

• 35 mA pk-pk through 12 µH inductor

5 Hz to 20 MHz

Input Current

• See table

Input Filter

• Capacitor

Output

Output Voltage

• See table

Line Regulation

• ±0.5% max

Load Regulation

• ±1.0% max from 25-100% load

Setpoint Accuracy

• ±2% max

Start Up Rise Time

• 100 ms typical

Ripple & Noise

• 80 mV pk-pk max 20 MHz BW. See note 6

Temperature Coefficient • 0.02%/°C

Short Circuit Protection • Continuous with auto recovery

Current Limiting

• Typically 110% of max Iout

Cross Regulation

• ±5%

Transient Response

• ±3% deviation recovering to <1%

within 300 µs for 25% load change

Maximum Capacitive

• See table

Load

Remote On/Off

• Optional on SIP package models

applying 5 V via 1 k

Ω current limiting

resistor & diode turns output off

(see note 4)

General

Efficiency

• See table

Isolation Voltage

• 1000 VDC, optional 3000 VDC (see note 2)

Isolation Resistance

Ω

Isolation Capacitance

• 60 pF typical

Switching Frequency

• 100-650 kHz typical

MTBF

• >2.7 MHrs to MIL-STD-217F

Physical

Case Material

• Non-conductive black plastic (UL94V-0

rated). Optional metal:

nickel coated copper

Pin Material

• SIP case: Alloy 42 solder coated

DIP case: ø0.5 mm brass solder coated

Potting Material

• Epoxy (UL94V-0 rated)

Lead Soldering

• 260 ºC 1.5 mm from case for 10 s

Temperature

Environmental

Operating Temperature • -40 °C to +85 °C, derate from 100% load

at 85 ºC to 0% load at 100 ºC

Storage Temperature

• -40 °C to +125 °C

Case Temperature

• 100 °C max

Cooling

• Convection-cooled

Humidity

• 95% RH, non condensing

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