TA12-150-48 - 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.

18 Watts

Single/Dual/Triple Outputs

! 4:1 ultra wide input range

9-36 Vdc

20-72 Vdc

! Remote shutdown

! 100kHz switching frequency

! Continuous short circuit

protection

! Six-sided shielding

The 18-Watt TA series operates

over an ultra wide input range of

9-36 Vdc or 20-72 Vdc. Efficien-

cies of 77% 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 operating tempera-

ture range of -25°C to +71°C 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 0.83”.

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.

TA Series

INPUT

Voltage Range 9-36Vdc

20-72Vdc

Filtering All Models

Reverse Polarity Protected To Nominal Input Current

External Fuse Required

Remote On/Off Control All Models

OUTPUT

Voltage Tolerance ± 1% Main

± 3% Auxiliary

Ripple and Noise 50mV pk-pk

Short Circuit Protection Continuous Power Cycle

Temperature Coefficient 0.02% / °C

GENERAL

Regulation: Main Aux

Line 0.5% 3.0%

Load 1.0% 3.0%

Efficiency 77% (typ)

I/O Isolation 500 Vdc

Switching Frequency 100khz (typ)

ENVIRONMENTAL

Operating Temperature -25°C to +71°C No Derating

Storage Temperature -25°C to +105°C

Cooling Free-air Convection

249 Range Road Windham, NH 03087 (603) 893-2330 FAX (603) 893-6280

TA Series Ordering Information

Dimensions and Connections

Input Voltage Output Output Model

Range Voltage Current Number

9-36 Vdc 5 Vdc 3500mA TA11-350-18

20-72 Vdc 5 Vdc 3500mA TA11-350-48

9-36 Vdc 12 Vdc 1500mA TA12-150-18

20-72 Vdc 12 Vdc 1500mA TA12-150-48

9-36 Vdc 15 Vdc 1200mA TA13-120-18

20-72 Vdc 15 Vdc 1200mA TA13-120-48

9-36 Vdc ±12 Vdc ±750mA TA22-150-18

20-72 Vdc ±12 Vdc ±750mA TA22-150-48

9-36 Vdc ±15 Vdc ±600mA TA23-120-18

20-72 Vdc ±15 Vdc ±600mA TA23-120-48

9-36 Vdc +5 / ±12Vdc 2000 / ±310mA TA34-260-18

20-72 Vdc +5 / ±12Vdc 2000 / ±310mA TA34-260-48

9-36 Vdc +5 / ±15Vdc 2000 / ±260mA TA35-250-18

20-72 Vdc +5 / ±15Vdc 2000 / ±260mA TA35-250-48

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

trimmed ±10% (Single output only).

Remote ON/Off Control (pin 8) common referenced

to Minus iput (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. No Pin

4. Trim

5. No Pin

6. +Output

7. -Output

8. Remote On/Off

NOTES:

1. Ripple measured with a 3.3 mf 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 18 Watts

and no output is to exceed its maximum rated

current.

PIN CONNECTIONS

Multiple 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 11/01/2001