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| DC/DC Converter TSI-24 Series Features 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 A 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. 15 Watt Models Ordercode TSI-24-5.0S3R0P TSI-24-5.0S3R0F Input voltage range Output voltage Output current max. Efficiency typ. Package SIP DIP 8 - 27 VDC * + 3.3 VDC 3000 mA 91.0 % * Output adjustable 1.2 to 5.1 VDC www.tracopower.com Page 1 DC/DC Converter TSI-24 Series 15 Watt Input Specifications Input current (no load) Input current (at full load) Stand-by current 1 mA max. 1350 mA max. (12 Vin) 100 A typ 3.0 % +1.2 VDC to +5.1 VDC +1.2 Vout +3.3 Vout +5.0 Vout V.ADJ (pin 14) link wire to +Vout (pin 17,18) V.ADJ (pin 14) = open VADJ (pin 14) connected via 20 kOhm resistor to +Vout (pin 17,18) 0.3 % < 3.0 % 35 mVpk-pk typ. 50 % Load change: Vout over-/undershoot: 80 sec typ. 70 mV typ. 0.01 % / C >105% constant current 20'000 F ON = Pin 5 (ON/OFF Pin) to pin 4 (GND) open OFF = Pin 5 (ON/OFF Pin) to pin 4 (GND) short - 10 C ... +71 C - 25 C ... +85 C 3 % / C 30 - 95 % rel H >350'000 h at 40 C none 150 kHz typ. (PWM modulation) 5 to 10 Hz amplitude 10 mm pk-pk 10 to 55 Hz acceleration 2 G acceleration 20 G max. time 11 ms 13 g (0.46 oz) max. 260C max. / 10 sec. Output Specifications Output voltage tolerance Output voltage adjustment Output voltage selection Regulation - Input variation - Load variation 0 - 100 % Ripple and noise (20 MHz Bandwidth) Transient response time (with 220 F output cap.) Temperature coefficient Short circuit protection Capacitive load Remote ON/OFF control General Specifications Temperature ranges - Operating - Storage Derating above 50 C Humidity (non condensing) Reliability, calculated MTBF (MIL-HDBK-217 F) Isolation Input/Output Switching frequency Physical Specifications Vibration Shock Package weight Soldering temperature All specifications valid at nominal input voltage, full load and +25C after warm-up time unless otherwise stated. www.tracopower.com Page 2 DC/DC Converter TSI-24 Series 15 Watt Outline Dimensions mm (inches) SIP package 0.8 (0.03) 50.8 (2.0) 2.0 (0.08) 7.0 (0.28) 36 C/L 19 20.5 (0.807) 6.0 1 2.54 2.54 2.54 2.54 (0.1)(0.1) (0.1)(0.1) 5 14 2.542.54 2.542.54 (0.1) (0.1)(0.1) (0.1) 18 (0 .2 3 6 ) 2.25 (0.09) 2.25 3.4 10.16 (0.13) (0.4) 22.86 (0.9) 10.16 (0.4) (0.09) Pin-Out Pin DIP +V Input (Vcc) +V Input (Vcc) -V Input (GND) -V Input (GND) Remote on/off V Output adj -V Output -V Output +V Output +V Output No function No function SIP +V Input (Vcc) +V Input (Vcc) -V Input (GND) -V Input (GND) Remote on/off V Output adj -V Output -V Output +V Output +V Output No pin No pin 1 2 3 4 2.25 (0.09) DIP package 0.8 (0.03) 50.8 (2.0) (0.1) 5 14 15 2.5 (0.1) 7.0 (0.28) 36 C/L 19 (0.81) 2.6 16 17 18 19 36 2.54 2.54 2.54 2.54 (0.1) (0.1) (0.1) (0.1) 2.54 2.54 2.54 2.54 (0.1) (0.1) (0.1) (0.1) (0.13) (0.4) (0.9) (0.4) Stand off (0.32) 8.0 2.25 (0.09) Specifications can be changed without notice www.tracopower.com Page 3 (0.1) 2.5 (0.09) 2.25 3.4 10.1 22.8 10.1 (0.1) 2.6 1 5 14 18 15.24 20.5 (0.6) DC/DC Converter TSI-24 Series 15 Watt Connections Normal Connection (Standard) 1 +Vin +Vout 17 18 C2 + = - Load C1 2 x 330 F/35V 2 3 4 5 ON/OFF TSI-24-5.0S3R0 -Vout V Adj. 15 16 14 Value of C2: Vout: 1.2 V...2.1V Vout: 2.1 V...3.1V Vout: 3.1V...5.1V 2 x 330 F /35V 2 x 220 F /35V 2 x 150 F /35V Remote ON/OFF Connection 1 +Vin +Vout 17 18 C2 Value of C2: Vout: 1.2 V...2.1V Vout: 2.1 V...3.1V Vout: 3.1V...5.1V + = - 2 x 330 F/35V 3 4 TSI-24-5.0S3R0 -Vout ON/OFF V Adj. 15 16 14 ON/OFF 5 ON = Open OFF = Short Output Voltage Adjustement Connection 1 +Vin +Vout 17 18 C2 VR1 Value of C2: Vout: 1.2 V...2.1V Vout: 2.1 V...3.1V Vout: 3.1V...5.1V + = - 2 x 330 F/35V 3 4 5 TSI-24-5.0S3R0 -Vout ON/OFF V Adj. 15 16 14 Capacitors: C1 ==> SXE series Mfg. Nippon Chemi-Con C2 ==> SH series Mfg. Sanyo OS-CON C2 ==> FH series Mfg. Nippon Chemi-Con Load C1 2 Load C1 2 2 x 330 F /35V 2 x 220 F /35V 2 x 150 F /35V 2 x 330 F /35V 2 x 220 F /35V 2 x 150 F /35V VR1 = 5.1 * (Vout - 1.0) -1.2 VR1 = kOhm Vout = VDC Specifications can be changed without notice Rev. 11/00 Jenatschstrasse 1 * CH-8002 Zurich * Switzerland Tel. +41-1284 2911 * Fax +41-1201 1168 * e-mail: sales@traco.ch * internet: http://www.tracopower.com Page 4 |
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