Isolated and Regulated 15 Watt Open Frame DC/DC Converters

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INPUT SPECIFICATIONS

Input Voltage Ranges:

24 VDC Nominal

9-36 VDC

48 VDC Nominal

18-75 VDC

Start Up Voltage

24V: 9VDC, 48V: 18VDC

Shutdown Voltage

24V: 8VDC, 48V: 16VDC

Input Voltage Variation (dv/dt)

5V/ms, max. to ETS300 part 4.4

Max. Voltage Surge (100mS max) 24 VDC Nominal

50 VDC

48 VDC Nominal

100 VDC

Input Reflected Ripple Current

30mA, pk-pk Nom I/P, FL

OUTPUT SPECIFICATIONS

Voltage and Current

See Selection Chart

Minimum Load

0%

Voltage Adjust

±10%

Line Regulation (HL-LL, FL)

±0.2%

Load Regulation (NL-FL)

±0.2%

Start Up Time (Power or RC)

30mS, max.

Temperature Coefficient

+/-0.02%/°C, max.

Ripple/Noise

100mV, pk-pk

Voltage accuracy (FL, Nom I/P) +/- 2%, (+/-5%)

Transient Response Recovery

25% Load Step Change

250 microSeconds

Short Circuit Protection

Hiccup, self-recovering

Overvoltage Protection Threshold: (Clamp)

3.3V Output

3.7-5.4Volts

5V Output

5.6-7.0Volts

12V Output

13.8-17.5Volts

15V Output

16.8-20.5Volts

Overload Protection

150% of Full Load (FL), typ.

GENERAL SPECIFICATIONS

On/Off Control

Negative Logic (Ref to - Input) is standard. See

Product Options Table for options and Model Numbers)

ON = Short or 0V < Vr < 1.2V

OFF = Open or 3V < Vr < 12V

Positive Logic:ON = Open or 3V < Vr < 12V

OFF = Short or 0V < Vr < 1.2V

Input-Out Isolation

2250VDC

In/Out Capacitance

1500 pF, max,

Isolation Resistance

100 M Ohms

Efficiency

See Selection Chart

Switching Frequency

3.3, 5V: 350Khz

12, 15V: 400Khz

ENVIRONMENTAL SPECIFICATIONS

Oper. Temperature

-40 to +85°C (see derate)

Storage Temperature

Relative Humidity

5-95%

Thermal Shock

MIL-STD-810F

Vibration

10-55Hz, 2G, 3 minutes period,

30 minutes along X, Y and Z axes

EMI

EN55022A (See Class B Filter)

Radiated Immunity

EN61000-4-3

EFT

EN61000-4-4

Surge (Using 220uF/100V, ESR 48MΩ cap)

EN61000-4-5

Conducted Immunity

EN61000-4-6

MTBF

BELLCORE TR-NWT-000322 Case 1: 50% Stress, Temp. @ 40°C

1.322 MHrs

MIL-HDBK-217F TA=25°C FL, Ground Benign, Controlled Environment

514.7 KHrs

PHYSICAL SPECIFICATIONS

Weight

0.36oz (10.5g)

Size

1.1”L x 0.94”W x 0.335”H

(27.94 x 23.88 x 8.5mm)

may adversely affect long term reliability. Proper operation under conditions

other than the standard operating conditions is neither warranteed nor implied.

All specifications are typical at nominal input, full load, and 25DegC unless

otherwise noted