Input V Vdc. Output V Vdc

Transcription

1 Ultra Low Noise, Ultra Compact, Isolated type Overview The BLC series isolated-type DC-DC converters feature a small package (.x.x9.mm) and light weight (.g) capable of W output. s ultralow noise and extremely high efficiency are made possible by a new circuit, it is ideal for an analog circuit as well as an analog and digital hybrid circuit. Features - Ultra low noise - djustable Output oltage - ON/OFF Control - Dual power supply usable as single power supply - Withstand voltage C00 - Over Current Protection Circuit - No tantalum capacitor or electrolytic capacitor used - Covered with a metal shield - Surface Mount Package - No heat sink needed - Operating Temp Range -0 C to +8 C (Temperature derating required) - RoHS Compliant Model/Rating Models BLC Series Input dc Output dc Output I m Line Reg. m(max.) Reg. m(max.) Table Ripple Efficiency Noise %(typ.) mpp(typ.) BLC0-0S00 0 to BLC0-S0. to 9 () 0 to 00(00) BLC0-W ±(±) 0 to 0(00) Note : Output voltage in parentheses is when adj and out are short-circuited. Note : Output current in parentheses is at the maximum output voltage. Note : Ripple noise and efficiency are at input voltage and load rating. Note : Ripple noise is measured at 0MHz bandwidth, with a multi layered ceramic capacitor with 0μF at input and 0.μF at output Specifications Table Input voltage range Refer to Table Rated output voltage.0±%, ±%, ±±% (When adj terminal is open) djustable output voltage range. to.0 (.0 model),. to ( model), ±. to ± (± model) Line regulation Refer to Table (Rated output, Input voltage varying in the range of Table ) regulation Refer to Table (Rated input/output, varying from 0 to 00%, ±output loaded evenly) Temperature regulation 0m typ.(.0 model), 00m typ. ( model), 0m typ. (± model) (Rated input/output, for within ambient temperature range with 00% load at temperature derating) Ripple noise Refer to Table (Rated input/output, common temp, measurement frequency bandwidth 0MHz) Efficiency % to 80% typ. (Rated input/output, Common temp., Refer to Table ) Over current protection Operate at 0% or above of rated load current. uto restart type. Over voltage protection None Under oltage Lock Out Yes Input over current protection None Remote ON/OFF control Between Pin () and Pin (ON/OFF): Output is ON when open, output is OFF when short. Standby current m max. Withstand voltage Between input and output, input and case, output and case: C00/per minute. Insulation resistance Between input and output, input and case, output and case: 0MΩ or more (at DC00) Capacitance between P and S pprox. 0 to 90pF (depending on the model) Operating temp range Operating temperatures 0 C to +8 C (Refer to temp derating in the datasheet) Storage temp range Storage temperatures -0 C to +8 C Humidity range 0 to 9%R.H. (Max. wet bulb temp C with no condensation) Storage conditions Below 0 C/0% R.H. before mounting the converter Cooling conditions Natural cooling (install in a well-ventilated place) ibration 0 to Hz Total amplitude.mmp-p (H for each of three directions) Sweep time min Impact cceleration 00G ( times for each of three directions, total 8 times) Duration ms Weight.g typ. Outer dimensions W=. L=. H=9. typ.(mm)(for dimensional details, refer to the shape and dimensions in the datasheet) *The above specifications are provided with rated input/output and ambient temperature C± C, unless otherwise specified. *The contents provided in this datasheet may be changed at any time without prior notice. BDD00_0

2 Ultra Low Noise, Ultra Compact, Isolated type. Scope These specifications shall apply to DC input, isolated type DC-DC converter BLC0 series.. Model/Rating Model name Rated input voltage Rated output Shape Remarks BLC0-0S00.0, 000m BLC0-S0.0, 00m DC.0 BLC0-W ±, each SMD 0m Unless otherwise mentioned in these specifications, input shall be rated input, output shall be rated output, and ambient temperature shall be C± C.. Environmental conditions - Temperature range In operation 0 C to +8 C (Derating required) In storage 0 C to +8 C - Humidity range In operation 0 to 9%R.H. (However, max. wet bulb temperature C, no condensation) In storage 0 to 9%R.H. (However, max. wet bulb temperature C, no condensation) Note) Store in a place below 0 C and 0% R.H. before mounting. BDD00_0

3 Ultra Low Noise, Ultra Compact, Isolated type. Specifications & Standards This product complies with RoHS Directive and Bellnix Environmental Management Regulations. - Input conditions and output characteristics Model name Input voltage Output voltage Output current m Output voltage stability* Input m max. m max. Temp. m typ. Output ripple noise * mp-p typ. / max. * Efficiency % typ. BLC0-0S00. to 9.0 ±% 0 to / 0 BLC0-S0. to 9.0 ±% 0 to / 0 80 BLC0-W. to 9.0 ±±% 0 to / 0 80 * With the measurement circuit of -. Unless otherwise mentioned, input and output values are rated and ambient temperature shall be C± C. * Input: Input voltage varying from min. to max. : Output current varying from 0 to rated. Temperature: mbient temperatures varying from -0 to Tamax. Within ambient temperature range with 00% load at temperature derating of -. two output product is when + output current and output current are equal. * Frequency bandwidth 0MHz measured at both ends of external capacitor (C, or C, C). - Capacitance of external capacitor This product has a limited capacitance for external output capacitors. Limit a capacitance of the external capacitor as follows: External output capacitor Model name Capacitance Plus output side Minus output side BLC0-0S00 0 to 0μF * BLC0-S0 0 to 00μF * BLC0-W 0 to 00μF * 0 to 00μF * * Total of C and C in the Standard Connection Circuit of - * Total of C and C in the Standard Connection Circuit of - * Total of C and C in the Standard Connection Circuit of - BDD00_0

4 Ultra Low Noise, Ultra Compact, Isolated type - Temperature derating 00 Natural 自然空冷 cooling 80 rate (%) 負荷率 (%) mbient 周囲温度 temperature ( ) ( C) Note) at rated output - Measurement circuit C SW Series NC ON/OFF adj C SW Open: 出力 Output =ONON Shrt: 出力 Output =OFF Open:out= Shrt:out= C=0μF( 積層セラミック (Multi-layered ceramic capacitor) ) C=0.μF( 積層セラミック ) (Multi-layered ceramic capacitor) C SW ON/OFF Common BLC-W Series adj C C SW Open: 出力 Output =ON ON Shrt: 出力 Output =OFF Open:out=± Shrt:out=± ± C=0μF( 積層セラミック (Multi-layered ceramic capacitor) ) C,C=0.μF( (Multi-layered 積層セラミック ceramic capacitor) ) Coaxial cable 同軸ケーブル :0Ω.m Rx:Ω Cx:0.μF Cx Rx OSC オシロスコープ Oscilloscope (Measurement ( リップル ノイズの測定 of ripple noise) ) GND BDD00_0

5 Ultra Low Noise, Ultra Compact, Isolated type - dditional functions Item Specifications & Standards Conditions Over current protection circuit Operate at 0% or above, auto restart type. Over voltage protection circuit None djustable output. to.0 (BLC0-0S00) By external resistor voltage range. to (BLC0-S0) Refer to - ±. to ± (BLC0-W) ON/OFF control Output is ON when OPEN Low (0 to 0., m max.) for output OFF Refer to - - Withstand voltage and Insulation resistance ) Withstand voltage Between input and output, input and case, output and case: C00/per min ) Insulation resistance Between input and output, input and case, output and case: 0MΩ or more (at DC00). Outer dimensions and description of terminals - Shape and dimensions ピンマーク Pin mark.±0..±0. Bdllmiw ISOLTED DC-DC CONERTER BLC0-0S00 Top iew 会社ロゴ Company logo 製品型名 Model name Lot No. Pin Function BLC-W ON/OFF ON/OFF adj adj NC Common 0 max..±0..8±0. Side iew CL 0. min. Materials of terminals and case Terminal pin Material: Copper Plating: Nickel plating followed by Gold plating Case Material: Nickel silver 0. CL - Unit: mm - Dimensional tolerance (unless specified):±0. - Weight:.g typ. - Tolerance on terminals 0. mm max. (Max. lifting of the terminal part when placed on a plane) 0. Bottom iew BDD00_0

6 Ultra Low Noise, Ultra Compact, Isolated type - Recommended footprint dimensions.. CL 0. CL 0. Note) Recommended dimensions are shown above. Use your design standard for your specific design. - Lot indication (0 (Manufactured 年 月製造 in January ) 0) D (0 (Manufactured 年 月製造 in ) December 0) 製造管理密番 Production code ( 無表示の場合もあり for manufacturing control )(may not be indicated) 製造月 Manufacturing (~9 月 month =~9 (Jan 0 to 月 Sep =O = to 月 9, =N Oct = 月 O, =D) Nov = N, Dec = D) 製造年 Manufacturing ( 西暦末尾 year (the 桁 ) last digit of.d.). Standard connection circuit - series - BLC-W series C SW Series NC ON/OFF adj C C SW Open: 出力 Output =ON ON Short: 出力 Output =OFF Open:out=, Short:out= = C=μF C=μF C=0.μF C SW SW Open: 出力 Output =ON C C Short: 出力 Output =OFF Common Open:out=± BLC-W Series Short:out=± ± C C C=μF C,C=μF C,C=0.μF ON/OFF adj BDD00_0

7 Ultra Low Noise, Ultra Compact, Isolated type. arious functions - ON/OFF control The ON/OFF control function enables users to control ON/OFF of the output voltage without inputting or cutting it off. Between in terminal (No. pin) and ON/OFF terminal (No. pin) Open ( max.) : Output ON Short (0 to 0., m max.) : Output OFF ON/OFF or - Output over current protection If output current has reached over current status, the over current protection circuit is activated lowering the output voltage. (ctivating point: 0% or above of the rated load current) The converter should automatically return to normal operation as soon as the over current status is resolved, if this does not occur, turn off the power or turn the output OFF with an ON/OFF control and then reactivate. Holding of over current status for over 0 seconds may result in damage, so resolve over current status within 0 seconds. -. Characteristics in the over current mode Output oltage[%] 00 0 Note) drooping characteristic may be seen in the over current protection state as shown on the left figure. Note that output voltage may not go up if connected to a nonlinear load such as a lamp, motor, etc., or a constant current load Output Current[%] BDD00_0

8 Ultra Low Noise, Ultra Compact, Isolated type djustable Output voltage -- Short circuiting adj and out terminals Output voltage can be set at the maximum as per the following table by short-circuiting adj and out terminals. In case of no variable output voltage, open the terminal. Output voltage for the connection of adj terminal Model name Between adj and out terminals Open Short BLC0-0S BLC0-S0.0.0 BLC0-W ±.0 ±.0 -- Resistor adjustment control The output voltage is adjustable by inserting a resistor between adj terminal and terminal or out terminal To decrease the output voltage To increase the output voltage adj Rb o BLC-W Rb adj o Com adj Ra o BLC-W Com adj Ra o Model name BLC0-0S0 0 BLC0-S0 BLC0-W To decrease the output voltage Output voltage: o[], Connecting resistor: Rb[kΩ] o=(9.9rb+8.9)/(0.+0rb) Rb=(0.o-8.9)/(9.9-0o) ariable range: o=. min. o=(.98rb+0.8)/(.+.rb) Rb=(.o-0.8)/(.98-.o) ariable range: o=. min. o=(.0rb+9.)/(0.0+.rb) Rb=(0.0o-9.)/(.0-.o) ariable range: o=.8 min. (±. min.) To increase the output voltage Output voltage: o[],connecting resistor: Ra[kΩ] o=( ra)/(0ra+0) Ra=(8.9-0o)/(0o-9.9) ariable range: o=.0 max. o=( ra)/(.ra+.0) Ra=(0.8-.0o)/(.o-.98) ariable range: o=.0 max. o=(9.+.0ra)/(.ra+8.0) Ra=(9.-8.0o)/(.o-.0) ariable range: o=0.0 max. (±.0 max.) Note) If output voltage is made variable, use at the maximum power or less. If output voltage is made lower, do not connect Rb to resistor which is less than o min. setting resistor value. 8 BDD00_0

9 Ultra Low Noise, Ultra Compact, Isolated type - ctivation and deactivation voltage This product has an under voltage lock out function to prevent malfunction when there is low input voltage. The activation voltage and deactivation voltage is within the range shown in the table below. Range of activation and.8 to. deactivation voltage - Input circuit protection function This input circuit has a built-in fuse to protect the secondary circuit against over current that runs for any reason. Rated current and fusing current of the built-in fuse are as shown in the following table. Power supply should have more current capacity than the following fusing current to ensure a fuse blowout in an emergency. Rated current.0 Fusing current 0 or more 8. Protection against reverse connection of input power supply (example) This product may be damaged if erroneously connected with reverse input polarity. To cope with a possible reverse connection, add a protection circuit as shown in the following figure. The following is an example using a fuse and a diode. Fuse D C Series C C 9. Common mode noise reduction method (example) To reduce common mode noise of this product, connect a capacitor of 000pF or so (C) between the primary and secondary terminals as shown in the following figure. In this case, note that using a capacitor of too much capacitance may result in the increase of coupling capacitance between primary and secondary terminals. lso, select a capacitor in consideration of required withstand voltage. (Noise on the primary side may run through to the secondary side through C according to conditions, so check in actual use conditions.) Fuse D C Series C C C 0. Input feedback noise reduction method (example) Input feedback noise from the convertor can be reduced by designing a Pi filter at input side as shown in the following figure. dd as needed. L C C Series 9 BDD00_0

10 Ultra Low Noise, Ultra Compact, Isolated type. Serial operation method (example) Serial operation is possible by wiring this product as per the following figure. Limit the output current not to exceed the smaller rated current of the power supplies connected in series to avoid more current than rating to run into the power supply. Series D Series D Note) This product is not suitable for parallel operation. Schottky diodes of low forward voltage are recommended for D and D.. Soldering conditions Observe the following conditions for soldering temperature and time. Flow mounting is not possible for this product. Reflow method Reflow temperature profile In the case of Sn-g-0.Cu series solder Parts surface temperature ( C) 部品表面温度 ( ) TP Ty Ty ' B B' C ' B B' C.0 ~.0 /s Ty: Ty: Ty ~ Ty:.0 ~.0 /s TP: 以上 and : over.0 ~.0 /s 0±0 0±0 0 ~ 00s max. 0 ~ 0s Soldering 半田付け時間 time (s) (s) Refrain from causing vibration of the product during the reflow. The number of reflows shall be once (no mounting of the reverse side). * Eutectic solder may be used so far as within the above profile condition. 0 BDD00_0

11 Ultra Low Noise, Ultra Compact, Isolated type. ibration and impact tests ibration 0 to Hz Total amplitude.mmp-p (H for each of three directions) Sweep time minutes Impact cceleration 00G ( times for each of directions, total 8 times) Impact time ms. Cleaning This product is not made for immersible cleaning. Use of no-clean flux is recommended. Precautions for use To ensure user s safety, check specifications before using the product and always observe the following precautions for use. This product is intended for use in general electronics equipment (office equipment, communication equipment, measurement equipment). Do not use the product for medical equipment, nuclear equipment, trains, etc., whereby human life or property may be directly affected by damaged product. Consult with us for any use other than for such general electronics equipment. Minor changes and component parts changes that do not affect contents of the specifications will be made due to characteristic improvement of the product and other reasons without prior notice. This product is not suitable for parallel operation. Do not use connectors and sockets for mounting the product. Contact resistance may have an adverse effect on the performance. Use the soldering method for mounting on the printed circuit board. This equipment has a built-in over current protection circuit but avoid a prolonged short circuit which may lead to failure. This product may be damaged if used under nonstandard electrical conditions or nonstandard environmental conditions including temperature. Ensure use within the standards. void using this product in a place that generates corrosive gas or is dusty. This product may be damaged by static electricity. Make sure that the workplace is guarded against static buildup and static electricity on operators by use of proper grounding. This product has no built-in function for over voltage protection. This product does not come with a test report.. Warranty The warranty term of the product is one year after shipment. Should the product become defective within the warranty period due to our design or workmanship, the product will be repaired free of charge or replaced. However, this warranty does not cover products which have been subjected to unauthorized inner modifications, etc. The scope of our warranty is limited to that of the said product.. Contact If you have any further technical questions for this product, please contact us. info@bellnix.com URL: BDD00_0