TRACO TSI-3.3S6ROP, TSI-3.3S3ROF, TSI-3.3S6ROFP, TSI-3.3S3RO, TSI-5.0S4ROP Datasheet

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Features

DC/DC Converter

TSI-20 Series 15/20 Watt

Step-down Converter with very high Effi­ciency (>91%)

3.3 VDC or 5.0 VDC Output,
up to 6.0 A

Fast Transient Response
Remote ON/OFF
Overload Protection
Low Output Noise
Standby Current only 100 µA
Small SIL- or DIP-Package
2 Year Product Warranty

This new generation of step-down converters provides designers with a
cost-effective solution for converting a 5 VDC resp. 12 VDC voltage down
to 3.3 VDC or to 5 VDC. To achieve highest efficiency, these dc/dc
converters are using adwanced circuit techniques , as amorphous ferrite,
solid aluminum capacitors and a synchronous commutation IC.

The TSI-20 series needs no further external components to operate
within its specifications. A very high efficiency allows operation without
additional heatsink. This product finds many applications in distributed
powersystems where voltage conversion at the point of load is required.

Models

Ordercode Input voltage range Output voltage Output current max. Efficiency typ. Package

TSI-3.3S3R0

4.8 – 13.6 VDC * + 3.3 VDC 3000 mA 91.0 %

SIP

TSI-3.3S3R0F DIP

TSI-5.0S3R0

6.0 – 16.5 VDC + 5.0 VDC 3000 mA 95.0 %

SIP

TSI-5.0S3R0F DIP

TSI-3.3S6R0P

4.8 – 7.5 VDC * + 3.3 VDC 6000 mA 88.0 %

SIP

TSI-3.3S6R0FP DIP

TSI-5.0S4R0P

6.0 – 16.5 VDC + 5.0 VDC 4000 mA 92.0 %

SIP

TSI-5.0S4R0FP DIP

*

Output adjustable 2.8 to 3.3 VDC

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All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.

Input Specifications

Input current (no load) 15 Watt models 1 mA max.

20 Watt models 1 mA max.

Input current (at full load) 15 Watt models 1350 mA max. (12 Vin)

20 W att models 1800 mA max. (12 Vin)

Stand-by current 100 µA typ

Output Specifications

Output voltage tolerance ± 3.0 %

Output voltage adjustment (TSI-3.3S only) +2.8 VDC to +3.3 VDC

Regulation – Input variation ± 0.5 %

– Load variation 0 – 100 % < 2.0 %

Ripple and noise (20 MHz Bandwidth) 50 mVpk-pk typ.

Transient response time

15 Watt models (with 220 µF output cap.) 50 % Load change: 80 µsec typ.

Vout over-/undershoot: 70 mV typ.

20 Watt models (with 2 x 220 µF output cap.) 50 % Load change: 100 µsec typ.

Vout over-/undershoot: 130 mV typ.

Temperature coefficient ± 0.01 % / °C
Short circuit protection constant current >105%
Capacitive load 20’000 µF
Remote ON/OFF control ON = Pin 5 (ON/OFF Pin) to pin 4 (GND) open

OFF = Pin 5 (ON/OFF Pin) to pin 4 (GND) short

General Specifications

Temperature ranges – Operating –10 °C ... +70 °C

– Storage –25 °C ... +85 °C
Derating above 50 °C 3 % / °C

Humidity (non condensing) 95 % rel H max.

Reliability , calculated MTBF (MIL-HDBK-217E) 15 W att models >400’000 h @ 40 °C

20 W att models > 350’000 h @ 40 °C
Isolation Input/Output none
Switching frequency 190 kHz typ. (PWM modulation)

Physical Specifications

Vibr a ti o n 5 to 10 Hz amplitude 10 mm pk-pk

10 to 55 Hz acceleration 2 G
Shock acceleration 20 G max. time 11 ms
Package weight 15 W att models 10 g (0.35 oz)

20 Watt models 13 g (0.46 oz)

Soldering temperature max. 230°C max. / 10 sec.

DC/DC Conver ter

TSI-20 Series 15/20 Watt