SC30N34-425-18 - Semiconductor Circuits, Inc.

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All specifications are typical at nominal line and full load at 25°C unless

otherwise noted and are subject to change without notice.

30 Watts

Single/Dual/Triple Outputs



 2:1 wide input range

18-36 Vdc

36-75 Vdc



 Remote shutdown



 300kHz switching frequency



 Continuous short circuit

protection



 Six-sided shielding

The 30 Watt SC30N series

operates over a wide input range

of 18-36 Vdc or 36-75 Vdc.

Efficiencies of 83% are typical over

varying load conditions of 25% to

100%. Additional features include input

reverse polarity protection, remote

on/off control, logic compatible with

CMOS or open collector TTL, short

circuit protection with auto restart,

overvoltage protection, and an operat-

ing range of -40°C to +100°C case

temperature with no derating. Units are

packaged in a six-sided continuous

shielded case for EMI/RFI protection

and measure 2.5” x 3.0” x 0.5”.

Applications

These units are ideally suited for

telecommunications and applications

having a widely varying input voltage

such as automotive test equipment,

process control, minicomputers and

geosurvey equipment.

SC30N Series

INPUT

Voltage Range 18-36Vdc

36-75Vdc

Filtering All Models

UVLO <32 Vdc (-48 Models)

Remote On/Off Control All Models

OUTPUT

Voltage Tolerance 1% Main, 2% Duals, 3% Aux

Ripple and Noise 3.3/5 50mV pk-pk

All others 100mV pk-pk

Short Circuit Protection Continuous Power Cycle

Overvoltage Protection Latching 125%

Temperature Coefficient 0.02% / °C

GENERAL

Regulation: Main Duals Aux

Line 0.1% 0.1% 0.5%

Load 0.5% 0.5% 3.0%

Efficiency 83% (typ)

I/O Isolation 1500 Vdc

Switching Frequency 300khz (typ)

ENVIRONMENTAL

Operating Temperature -40°C to +100°C Baseplate

Storage Temperature -55°C to +125°C

Cooling Free-air Convection

22 14C Industrial Way Atkinson, NH 03811 (603) 893-2330 FAX (603) 893-6280

SC30N Series Ordering Information

Dimensions and Connections

Input Voltage Output Output Model

Range Voltage Current Number

36-75 Vdc 3.3 Vdc 8000mA SC30N17-800-48

18-36 Vdc 5 Vdc 6000mA SC30N11-600-18

36-75 Vdc 5 Vdc 6000mA SC30N11-600-48

18-36 Vdc 12 Vdc 2500mA SC30N12-250-18

36-75 Vdc 12 Vdc 2500mA SC30N12-250-48

18-36 Vdc 15 Vdc 2000mA SC30N13-200-18

36-75 Vdc 15 Vdc 2000mA SC30N13-200-48

18-36 Vdc ±12 Vdc ±1250mA SC30N22-125-18

36-75 Vdc ±12 Vdc ±1250mA SC30N22-125-48

18-36 Vdc ±15 Vdc ±1000mA SC30N23-100-18

36-75 Vdc ±15 Vdc ±1000mA SC30N23-100-48

18-36 Vdc +5 / ±12Vdc 3000 / ±625mA SC30N34-425-18

36-75 Vdc +5 / ±12Vdc 3000 / ±625mA SC30N34-425-48

18-36 Vdc +5 / ±15Vdc 3000 / ±500mA SC30N35-400-18

36-75 Vdc +5 / ±15Vdc 3000 / ±500mA SC30N35-400-48

Pins 0.040 (1.0) dia x 0.20 (5.1) lg min. External Output Trimming: Output may be externally

trimmed ±10% (12 Vdc and 15 Vdc, 10%/-5%

others).

Remote ON/Off Control (pin 8) common referenced

to Minus input (pin 2).

On greater than 4 Vdc or open circuit

Off less than 1.2 Vdc

PIN CONNECTIONS

Single Output

1. +Input

2. -Input

3. + Sense

4. Trim

5. -Sense

6. +Output

7. Common

8. Remote On/Off

NOTES:

1. Ripple measured with a 3.3µF tantalum

capacitor across each output.

2. Load regulation from full load to minimum load

with all other outputs at rated load.

3. Minimum current required on 5V out only.

4. Maximum total power from all outputs is 30 Watts

and no output is to exceed its maximum rated

current.

PIN CONNECTIONS

Dual Outputs

1. +Input

2. -Input

3. +12 or 15 Output

4. Common

5. -12 or 15 Output

6. N/C

7. Trim

8. Remote On/Off 11/01/2001

PIN CONNECTIONS

Triple Outputs

1. +Input

2. -Input

3. +12 or 15 Output

4. Common

5. -12 or 15 Output

6. +5 Output

7. Common

8. Remote On/Off