Datasheet TSI-24-5.0S3ROP, TSI-24-5.0S3ROF Datasheet (TRACO)

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Features

DC/DC Converter

TSI-24 Series 15 Watt

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

Input Voltage Range +8 VDC to +27 VDC

1.2 VDC to 5.1 VDC Output, up to 3 A

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

This new generation of step-down converters provides designers with a cost-effective solution for converting 8 VDC to 27 VDC voltage down to

1.25 VDC 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-24 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-24-5.0S3R0P

8 – 27 VDC * + 3.3 VDC 3000 mA 91.0 %

SIP

TSI-24-5.0S3R0F DIP

*

Output adjustable 1.2 to 5.1 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) 1 mA max. Input current (at full load) 1350 mA max. (12 Vin)

Stand-by current 100 µA typ

Output Specifications

Output voltage tolerance ± 3.0 % Output voltage adjustment +1.2 VDC to +5.1 VDC Output voltage selection +1.2 Vout V.ADJ (pin 14) link wire to

+Vout (pin 17,18) +3.3 Vout V.ADJ (pin 14) = open +5.0 Vout VADJ (pin 14) connected via

20 kOhm resistor to +Vout

(pin 17,18)

Regulation – Input variation ± 0.3 %

– Load variation 0 – 100 % < 3.0 %

Ripple and noise (20 MHz Bandwidth) 35 mVpk-pk typ.

Transient response time

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

V out over-/undershoot: 70 mV typ.

Temperature coefficient ± 0.01 % / °C Short circuit protection >105% constant current 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 ... +71 °C

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

Humidity (non condensing) 30 –95 % rel H

Reliability, calculated MTBF (MIL-HDBK-217 F) >350’000 h at 40 °C

Isolation Input/Output none

Switching frequency 150 kHz typ. (PWM modulation)

Physical Specifications

Vibration 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 13 g (0.46 oz)

Soldering temperature max. 260°C max. / 10 sec.

DC/DC Converter

TSI-24 Series 15 Watt

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Specifications can be changed without notice

Outline Dimensions mm (inches)

DIP package

SIP package

Pin-Out

Pin DIP SIP

1 +V Input (Vcc) +V Input (Vcc)

2 +V Input (Vcc) +V Input (Vcc)

3 –V Input (GND) –V Input (GND)

4 –V Input (GND) –V Input (GND)

5 Remote on/off Remote on/off

14 V Output adj V Output adj 15 -V Output -V Output 16 -V Output -V Output 17 +V Output +V Output 18 +V Output +V Output 19 No function No pin 36 No function No pin

14

10.16

(0.4)

2.54 2.54

3.4

(0.13)

(0.1)(0.1)

1

36

2.54 2.54

(0.1)(0.1)

5

22.86

(0.9)

C/L

50.8 (2.0)

2.25

(0.09)

20.5

(0.807)

18

2.542.54 2.542.54

10.16

(0.4)

(0.1) (0.1)(0.1) (0.1)

(0.236)

6.0

19

2.25

(0.09)

2.25

(0.09)

7.0

2.0

0.8

(0.03)

(0.08)

(0.28)

2.54

(0.1)

Stand off

10.1

3.4

(0.4)

(0.13)

1

2.54 2.54

(0.1) (0.1)

2.54

(0.1)

36

22.8

(0.9)

5 14

2.54

(0.1)

C/L

50.8

(2.0)

(0.09)

2.5

(0.1)

20.5

(0.81)

15.24

(0.6)

10.1

(0.4)

18

2.54 2.54

2.54

(0.1) (0.1)

(0.1)

8.0

(0.32)

2.25

2.6

(0.1)

19

(0.1)

2.6

(0.09)

2.25

7.0

(0.28)

0.8

(0.03)

2.5

(0.1)

DC/DC Converter

TSI-24 Series 15 Watt

Page 4

Specifications can be changed without notice

Connections

Jenatschstrasse 1 • CH-8002 Zurich • Switzerland Tel. +41-1284 2911 • Fax +41-1201 1168 • e-mail: sales@traco.ch • internet: http://www.tracopower.com

Rev. 11/00

Output Voltage Adjustement Connection

2

x

330µF/35V

Normal Connection (Standard)

C1

Remote ON/OFF Connection

+

–

=

1

+Vin

Capacitors: C1 ==> SXE series Mfg. Nippon Chemi-Con C2 ==> SH series Mfg. Sanyo OS-CON

+Vout

17

C2

Load

2

3

4

18

16

15

–Vout

14

V Adj.ON/OFF

5

C1

+

–

=

1

+Vin

+Vout

17

C2

Load

2

3

4

18

16

15

14

V Adj.ON/OFF

5

ON = Open

OFF = Short

ON/OFF

TSI-24-5.0S3R0

C1

+

–

=

1

+Vin

+Vout

17

C2

Load

2

3

4

18

16

15

-Vout

14

V Adj.ON/OFF

5

VR1

VR1 = 5.1

–1.2

(Vout –

1.0)

VR1 = kOhm Vout = VDC

•

TSI-24-5.0S3R0

Value of C2: Vout: 1.2 V...2.1V 2 x 330 µF /35V Vout: 2.1 V...3.1V 2 x 220 µF /35V Vout: 3.1V...5.1V 2 x 150 µF /35V

2

x

330µF/35V

2

x

330µF/35V

C2 ==> FH series Mfg. Nippon Chemi-Con

-Vout

DC/DC Converter

TSI-24 Series 15 Watt