DC/DC Converter TSI-20 Series 15/20 Watt Features 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 TSI-3.3S3R0F 4.8 – 13.6 VDC * + 3.3 VDC 3000 mA 91.0 % SIP DIP TSI-5.0S3R0 TSI-5.0S3R0F 6.0 – 16.5 VDC + 5.0 VDC 3000 mA 95.0 % SIP DIP TSI-3.3S6R0P TSI-3.3S6R0FP 4.8 – 7.5 VDC * + 3.3 VDC 6000 mA 88.0 % SIP DIP TSI-5.0S4R0P TSI-5.0S4R0FP 6.0 – 16.5 VDC + 5.0 VDC 4000 mA 92.0 % SIP DIP * Output adjustable 2.8 to 3.3 VDC www.tracopower.com Page 1 DC/DC Converter TSI-20 Series 15/20 Watt Input Specifications Input current (no load) Input current (at full load) 15 Watt models 20 Watt models 15 Watt models 20 Watt models Stand-by current 1 mA max. 1 mA max. 1350 mA max. (12 Vin) 1800 mA max. (12 Vin) 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 – Load variation 0 – 100 % ± 0.5 % < 2.0 % Ripple and noise (20 MHz Bandwidth) 50 mVpk-pk typ. Transient response time 15 Watt models (with 220 µF output cap.) 20 Watt models (with 2 x 220 µF output cap.) 50 % Load change: Vout over-/undershoot: 50 % Load change: Vout over-/undershoot: 80 µsec typ. 70 mV typ. 100 µsec typ. 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 – Storage Derating above 50 °C – 10 °C ... +70 °C – 25 °C ... +85 °C 3 % / °C Humidity (non condensing) 95 % rel H max. Reliability, calculated MTBF (MIL-HDBK-217 E) 15 Watt models 20 Watt models >400’000 h @ 40 °C >350’000 h @ 40 °C Isolation Input/Output none Switching frequency 190 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 15 Watt models 20 Watt models 10 g (0.35 oz) 13 g (0.46 oz) Soldering temperature max. 230°C max. / 10 sec. All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated. www.tracopower.com Page 2 DC/DC Converter TSI-20 Series 15/20 Watt Outline Dimensions mm (inches) SIP package 0.8 (0.03) 50.8 (2.0) C/L 7.0 (0.28) 19 18 2.542.54 2.542.54 (0.1)(0.1) (0.1)(0.1) (0.1) (0.1)(0.1) (0.1) 3.4 10.16 (0.4) (0.13) 22.86 10.16 (0.9) (0.4) 2.25 (0.09) 0.64 2.54 2.54 2.54 2.54 (0.025 ) 14 6.0 5 1 (0 .2 3 6 ) 20.5 (0.807) 36 2.0 (0.08) Pin-Out 0.64 (0.025) DIP package 0.8 (0.03) (0.1) (0.1) (0.1) (0.1) (0.1) (0.1) (0.1) (0.1) 3.4 10.1 22.8 10.1 (0.13) (0.4) (0.9) (0.4) (0.1) +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 No function No pin No function No pin (0.6) +V Input (Vcc) 15.24 2 (0.81) 18 2.54 2.54 2.54 2.54 +V Input (Vcc) (0.025 ) 14 +V Input (Vcc) 36 0.64 5 2.54 2.54 2.54 2.54 (0.28) 1 19 2.6 1 19 7.0 (0.1) SIP 20.5 36 2.5 DIP (0.1) C/L 2.6 50.8 (2.0) Pin 8.0 (0.32) Stand off 0.64 (0.1) 2.5 (0.025) Specifications can be changed without notice www.tracopower.com Page 3 DC/DC Converter TSI-20 Series 15/20 Watt Connections Normal Connection (Standard) + = – C1 2 100µF/35V TSI15 series 220µF/35V TSI20 series 3 +Vout +Vin TSI 15/20 Watt –Vout 4 5 ON/OFF V Adj. +Vin +Vout 17 18 C2 15 470µF/35V Load 1 16 14 Remote ON/OFF Connection + = – C1 2 100µF/35V TSI15 series 220µF/35V TSI20 series 3 TSI 15/20 Watt -V out 4 ON/OFF 5 ON/OFF V Adj. 17 18 C2 15 470µF/35V Load 1 16 14 ON = Open OFF = Short Output Voltage Adjustement Connection (TSI-3.3S only) + = – C1 2 100µF/35V TSI15 series 220µF/35V TSI20 series 3 +Vin +Vout TSI 15/20 Watt -Vout 4 5 ON/OFF Capacitors: C1 ==> SXE series Mfg. Chemi-Con C2 ==> SH series Mfg. Sanyo OS-CON V Adj. VR1 = kOhm 17 18 C2 15 470µF/35V VR1 Load 1 16 14 VR1 = Vout = VDC 3200.83 . 82.07 – 39 • ( Vout –1 195) –10 Specifications can be changed without notice Rev. 06/00 Jenatschstrasse 1 • CH-8002 Zurich • Switzerland Tel. +41-1284 2911 • Fax +41-1201 1168 • e-mail: [email protected] • internet: http://www.tracopower.com Page 4