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| a tiv e T ent Step-Down DC-DC Converter 15 Watt TSI-15N Series TSI-15N Series are step down converters whith a very high efficiency . By adopting a custom multi chip module IC, it was possible to reduce the number of components drastically. Herewith two goals, high reliability and low cost could be realized. Features - Ultra Small - High efficiency (84 ~ 94 %) - Operating Temp. -10C ~ +70C - MTBF 1,000,000Hrs. - Over-Current Protection - Over-Temp. Protection - Easy to use ; SIP / DIP type - Adjustable output range - No Heat Sink required - Long life, High reliability Table 1 Model Input Voltage Vdc Output Voltage Vdc Output Current A Input %(typ) Load %(typ) Ripple & Noise mVpp(typ) Regulation Regulation Efficiency %(typ) Package Type TSI 15N-0509 TSI 15N-0509D TSI 15N-2410 TSI 15N-2410D TSI 15N-2412 TSI 15N-2412D 5.0 (+4.75 ~ 6) +9 ~ 36 +18 ~ 36 +2.5 (+1.5 ~ 3.3) +3.3 (+3 ~ 5) +12 (+9 ~ 12) 0~3 0 ~ 1.8 (0 ~ 2.2) 0 ~ 0.75 (0 ~ 1) 1.5 1.5 1.5 1 1 1 50 50 100 91 84 94 SIP DIP SIP DIP SIP DIP Note 1: Rating input voltage ( ) value indicates Input voltage range. Note 2: Output Current ( ) with forced air cooling. Note 3: Rating output voltage ( ) value indicates adjustable, possible range. Specification Rating Input Voltage Rating Output Voltage Adjustable Output range Input regulation Load regulation Temperature regulation Ripple & Noise Efficiency Over-Current Protection Over-Voltage Protection ON/OFF Control Non- load Input current Stand-by current MTBF Switching frequency Operating Temp. range Storage Temp. range Humidity range Cooling Condition Vibration Shock Weight Dimension Refer to Table 1 Refer to Table 1 Output voltage is adjustable within the above range in Table 1. (By the external resistance) 1.5% typ., 3.0% max. (For the input voltage regulation in Table 1) 1.0% typ., 2.0% max. (For 0 ~ 100% regulation ) 0.01%/ C typ. (For the regulation of operating temperature -10C ~ +50C) 50/100mVp-p typ., 150mVp-p max. (20 MHz Band Width) 84% ~ 94% typ. (Rating I/O, in room temp., refer to Table 1) Operation at 105% or more of rating load current, auto recovery type. None Between 1 pin (ON/OFF) - 5 ~ 8 pin (GND) [Open: Output OFF, Short: Output ON] TSI 15N-0509 Models: t.b.a, TSI 15N-2410 Models: 15mA typ., TSI 15N-2412 Models: 25mA typ.(No load) 1mA typ. ( OFF Control ) 1,000,000Hr min ( EIAJ RCR-9102 ) 250 kHz typ. -10 C ~ +70C ( Refer to Page 6, Thermal derating ) -20 C ~ +85C 20% ~ 95% R.H ( Max temperature 35 C, only non - condensing ) Natural air - cooling at rated output current as in 5 ~ 10 Hz All amplitude 10 mm, 10 ~ 55 Hz acceleration 2G ( 1 hr. in each of 3 axes ) Acceleration 20G ( 3 times in each of 3 axes), Shocking time 115ms 7.5g typ. see page 2 1 a ti v e T ent TSI 15N Series Outline SIP Type ( Figure 1 ) 38(+0.8/-0.5) Lot N um ber 4.5typ 21.5(+1/-0.5) 7.2typ t 1.0 2.5typ pin 1 2 3 4 5 6 7 8 9 10 11 12 F unction O n/O ff + V in + V in + V in GND GND GND GND + V out + V out + V out V .adj 212 A24-12-1 Bellnix 1 12 3.5 1.5 24 max Dimensions: mm 0.25 2.54x 11=27.94 Tolerances with nothing specified 0.5 DIP Type ( Figure 2 ) 18 38(+0.8/-0.5) 13 212 A24-12-1D Bellnix Lot N umber 21.5(+1/-0.5) 22.25 0.6 pin 1 2 3 4 5 6 7 8 9 10 Function O n/O ff + Vin + Vin + Vin G ND G ND G ND G ND + Vout + Vout + Vout 8.5max t 0.25 1 12 Dimensions: mm Tolerances with nothing specified 0.5 11 2.54x 11=27.94 Block Diagram TSI15N Series BSA 15W Series +V in 2 3 4 PWM.OCP.CONT ON/OFF CONT 3.5 1.5 0.5 12 V .adj 13* 18 N o C onnection 9 10 11 +V out DC Input + *1 on/off 1 V .adj 12 GND 5678 + C2 Load Output ON=Short Output OF=Ope ( Figure 4 ) 2 a tiv e T ent TSI 15N SERIES Application notes (C) Output voltage changeable direction ( Figure 7 ) Please open the terminal V.ADJ when you use the output voltage with 9* 11 BSA15W TSI 15N Series Series +Vout VR1 Load VR2 rating, without changing. By connecting resistance between the terminal +Vout (9~11Pin) and V.ADJ (12 Pin), or between the terminal V.ADJ (12 pin) and GND (5~8 pin) you can change output voltage within the range of voltage in Table 1. Please refer to the undermentioned equation for the calculation of external resistance. Please confirm the output voltage and adjust resistance value after calculating external resistance. Rx 12 V.ADJ Vref Ry 5* 8 G ND you can change output voltage within the range of voltage in Table 1. To reduce the output voltage RxxRyx(Vo-Vref) Rxx2.45-Ry(Vo-Vref) 0509 2410 (3~3.3V) Rx=765ohm 2412 (9~12V) Rx=8.6Kohm Vo=Req. Vout Vo=Req. Vout VR1 VR2 = OPEN Ry=2.2Kohm Ry=2.2Kohm Vref=2.45V Vref=2.45V To add the output voltage VrefxRxxRy VR2 = Ry(Vo-Vref)-VrefxRx VR1 = OPEN 0509 2410 Vo=Req. Vout (3.3~5V) Rx=765ohm Ry=2.2Kohm Vref=2.45V 3 a T ent tiv e TSI 15N Series Turn-On Transient Time Output Voltage Ripple & Noise TSI 15N-0509 TSI 15N-0509 t.b.a t.b.a TSI 15N-2410 TSI 15N-2410 Vout 1V/div * Vout=0V * 20mv/div Vin 10V/div * Vin=0V * Vin=On t* 2m s/div 2.5* s/div Test conditions: At rating input, rating load and room temp. Test conditions: At rating input, rating load and room temp. TSI 15N-2412 TSI 15N-2412 Vout 5V/div * Vout=0V * 50mv/div Vin 10V/div * Vin=0V * Vin=On t* 5ms/div 2.5* s/div Test conditions: At rating input, rating load and room temp. Test conditions: At rating input, rating load and room temp. 4 a t iv e T ent TSI 15N Series Temperature derating TSI 15N-0509 TSI 15N-0509 t.b.a t.b.a TSI 15N-2410 2.2 1.8 1.6 1.2 0.8 0.4 0 -10 V in= 9V V in= 24V V in= 36V 0.88A TSI 15N-2410 2.2 1.8 1.6 Load Current (A) 1.2 V in= 9,24V 0.8 0.4 0 -10 V in= 36V 0.88A Load Current (A) 0 10 20 30 40 50 60 70 Ambient Temperature* S urrounding T em perature* * TSI 15N-2412 1.0 0.8 Load Current (A) Load Current (A) 0.6 0.4 0.2 Vin=36V 0 -10 20 30 40 50 60 70 Ambient* Temperature ****** 0 10 Vin=18V Vin=24V 0 10 20 30 40 50 60 70 S urrounding Tem perature* * Ambient Temperature* TSI 15N-2412 1.0 0.8 0.6 Vin=18,24V 0.4 Vin=36V 0.2 0 -10 0 10 20 30 40 50 60 70 5 Surrounding Tem perature* * * Ambient Temperature a tiv e T ent TSI 15N Series Soldering Conditions Solder to be executed under the following conditions. 1. Hand soldering 2. Flow soldering 340C ~ 360C, 5sec.max 230C ~ 260C, 10sec.max. Reverse Input Voltage Protection The input/output of this products is a non-isolated type and a step-down DC-DC converter from (+) polarity to (+) polarity. If you connect the input polarity reversed of this product by mistake it will be eventually damaged. If there is a possibility of reverse connection, please add a protection circuit as indicated in the following figure. The figure below is an example using fuse and diode. FU S E +V in 2* 4 9* 11 +V out TSI 15N B S* 15W S eries +Vin C1 1 on/off 5* 8 12 G ND V .* * * C* SCR O ver V oltage D etection C ircuit Load (Figure 14) Over-Voltage Protection This product does not have a built-in over-voltage protection. When the switching element of this converter gets damaged by short mode, input voltage (+Vin) will go out on the output. For emergency if it gets damaged at over-voltage mode, please add a circuit as below to intercept the supplying power circuit. FU S E +Vin 2* 4 9* 11 +Vout BS* 15W Series +Vin 1 on/off 5* 8 12 GND V.* * * C2 SCR O verV oltage D etection C ircuit TSI 15N C1 Load (Figure 15) Jenatschstrasse 1 * CH-8002 Zurich * Switzerland Tel. +41-1284 2911 * Fax +41-1201 1168 * e-mail: sales @ traco.ch * internet: http://www.tracopower.com 6 |
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