BY-L BELLNIX | Alldatasheet

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Correspond to Analog Ciruits, Ultra Low Noise 8mVp-p Small Size, Long-Life, Isolated Type DC-DC Converter Bellnix’ De 1.5 Watt BY-L Series enmnix Adopted In World Important Electronic Devices. mi SSS SSS SSS SS SE SSS BY-L series is a long-life, ultra low noise and isolated type DC-DC converter which is most suitable for analog circuits and analog-digital circuits. It has achieved low conducted emission and low radiated emission with the improved TCT circuit. The output noise is ultra low noise of mVp-p and has the ability to become the industry's minimum. <Features> cae ee = oe - Ultra Low Noise, 8mVp-p typ. - Over-Heat Protection eee = 24pin DIP IC Size, 5-Side Metallic Shield Case - Over-Current protection af —— ve - Wide Operating Temp, Range -25°C to +71°C - Isolation Capacitance 100pF max. Oe > - Possible to start-up from -30°C (No guarantee) - Isolated Type: DCSOOV ® - | - No Electrolytic Capacitor, No Tantalum Capacitor - Most Suitable for Analog and Digital Circuits ok - MTBF 1,000,000Hrs , All aging -High Reliability, Long-Life, High Performance Tho Ue OSs - High Reliability with the Latest SMD Structure ~ New TCT Circuits (Patented) <Model, Rating> Table 1 Model Rating Input | Input Voltage | Output Output! | Line Reg | LoadReg | Noise Efficiency Voltage Range Voltage Current BY-L(1.5W) Series Vde Vde-Vde Vde mA imax.) | %(max.) | mVppttyp, typ, | 476 | 5 | 030 | os 03 60 BY05-12S12L |e 2 te o3 | 03 60 al | syosission | os | arse | ts | 0-100 03 os | 0 | 60 | syososwo. [| 5 | arse | ss | soso | os | os [ es [4s | L_syosiswosk | os | a7se | sts |] 2053 Loos [ose | eo | * This model is compatible with the old BY series to be used for substitutions. <Specification> Table 2 Input Voltage/ Range ‘5V20.25V (Refer to the derating curve when input is5.25-6.0V) Output Voltage Refer to Table 1 — | Line Regulation __ | Refer to Table 1 (For the input voltage range of 5V5%, at rating load) Load Regulation || Refer to Table 1 (For the load regulation of 0-100%, at rating input voltage) _ Temperature Coefficient +20.02%/°C typ. (When operating temperature changes between -20°C to +70°C ) Short Term Drift ~_ | S0mV/ 8H max. (Except initial drift) __ Ripple & Noise (N)BY-SL: 10mVp-p typ. 15mVp-p max. (2)BY-WL: 8mVp-p typ. 1SmVp-p max. (20MHz bandwidth) Efficiency 60% typ. (Rating input/ output, room temperature, refer to Table 1) Over-Current Protection Operates at 105% or more rating load current, auto recovery type. Over-Voltage Protection None Over-Heat Protection Built-in in the regulator part EMI Line Filter Built-in LC type line filter MTBF 1,000,000Hr (EIAJ RCR-9102) Isolation Voltage Between primary and secondary DC500V; for Imin., between case and input/ output DCS00V: for {min. tsolation Resistance Between primary and secondary DCSOOV: 10M ohm or more, between case and inpul/ output DCSOOV: 10M ohm or more. tsolation Capacitance Between primary and secondary capacitance: 100pF max. Operating Temperature Range| -25°C to +71°C (Temperature derating required from +50°C) Storage Temperature Range | -30°C to +85°C Humidity Range 95%R. H. max. | Cooling Condition Natural convection Gieaton 5-10Hz All amplitude 10mm (thour in each of 3 orthogonal axes), 10-5SHz acceleration 2G (1 hour in each of 3 orthogonal axes) Shock Acceleration 20G (3 times in each of 3 orthogonal axes), Shocking time 1125ms Weight 14g typ. Outline W=20.42 L=32.6 H=10.3 (mm) (For detail dimensions refer to the outline.) “The above specification Is provided with rating value, unless otherwise specified, Belinix DC-DC CONVERTERS 1 BDD20050408-021212

@ ° 7 Beeb nbx<’ costes in word important Electronic Devices. 15 Watt BY-L Se ries <Outline> BY-SL Series BY-WL Series ee sie 2/2 2 T,, 2 3 f= BY-sL BY-HL ae [Pin[Function | { +H [Pin] Function H 10 1 i [=Vin Pe 0 1 gs [10 |=Vvout | 8 [4 [=vin 1] | 6 [12 [=Vout —| a] ¢ [19.[ veut | S| fas 18 13 [13 |+Vout | 2% 15 13 [12 | Common | = = [15 [vou o = im Hee | _ [ Hast (24 [+Vin | 32.6 32.6 Figure 1 Figure 2 - Dimensions: mm, Weight: 14g typ. ~ 5-Side Metallic Shield Case, black plating (with a standoff) ~ Pin side is not shielded. It is recommended to set a pattern wider than the converter’s bottom area right under the converter. <Standard Usage> BY-SL Series (SV, 9V, 12V, 15V) BY-WL Series (412V, +15V) in yi 15 Vout. +Vin 24 15] gout ® F vee ck if BY-SL Series Load +vin Ct) ee pT Scom c3 Load

12 I |

~ Recommended capacitor = Recommended capacitor C1=22uF -33pF (Electrolytic or multilayer ceramic capacitor) C1=22pF -33yF (Electrolytic or multilayer ceramic capacitor) C2=0.47-10yF (Electrolytic or multilayer ceramic capacitor) C2, C3=0.47-4 OpF (Electrolytic or multilayer ceramic capacitor) Figure 3 Figure 4 - Basically, external capacitors are not required, but noise can be lowered by reducing power line impedance and load line impedance. | - High frequency and low impedance capacitors are recommended. | = Noise can also be lowered by designing the pattern with short lead and not to make a loop. <Block Diagram> BY-SL Series BY-WL Series Win At Win ut 4 44: Vout

240 A rea poy et} os

=! 3 Jn mo er omen o1 co Fett lL EL ss su 10 2 at TS Cel eres eat Win _ Figure 5 Figure 6

2 Bellnix DC-DC CONVERTERS

e. o qf Belinix Adopted In World Important Electronic Devices. 15 Watt BY-L Series a <Soldering Conditions> <Temperature Derating> Soldering is to be executed under the following conditions, Use BY-L series within the ambient temperature in the figure below, 4. Soldering iron 340°C to 360° C, 2sec. 2 Seldeing dp wa0°C8"C, Saco, oe temp. range for startup (no guarantee) <Cleaning Conditions> pi Bl Ti TT TT Ny Ty This product can not be washed whole. When and if cleaning should 90 BP tLeEteeeie ti be necessary, use IPA and hand-wash only the soldered surface 0 git | | [ TV [ wth cerning a ep EE For further information, contact us. © 60 gi | i tt | [IVI BoGL TTT et Ty | <To prevent reverse input voltage protection (ex.)> 30 git | [| [| BY-L series will be damaged if the input voltage is connected reversed 7h Lt If there is a possibility of reverse connection, add a protection circuit 10 Bt || [| [| sc chominthe tue oon i The figure below is an example using the fuse and diode. -30-20-10 0 10 20 30 40 50 60 70 80 vice Ambient Temp. (°C) vin toe “4 | : Figure 14 Win , i BY-SL Series | C2== C3: Load <input Voltage Derating> Vin Vout — Input Voltage Derating 100, ram's "COCOONS oo

80 PPT TT NET

<Over-Voltage Protection> 70 PTT TT TT NEE BY-L series do not have a bullt-in over-voltage protection. a ott ttt TN As shown in the block diagram, BY-L series drives the transformer by the a rEELETTTTy switching operation of the primaty TR. So this method is of very litle z a ri tT EEELiE Le possibilty of over-voltage to be occurred by TR damage. =, [TT EL_TELTey However, to avoid damage at over-voltage mode, in advance, adding @ rT eErE_PEET Tey circuit to intercept the supplying power circuit can be recommended. d rie PEL ere eey | : ot TTT TTT Tt tI 47 5 52 565 575 6 Input Voltage (V) Figure 15

4 Bellnix DC-DC CONVERTERS

Correspond to Analog Ciruits, Ultra Low Noise 8mVp-p Small Size, Long-Life, Isolated Type DC-DC Converter en 1 Bellnix Adopted In World Important Electronic Devices. 15 Watt BY-L Se ries SS <Precautions> - For this product, parallel operation is not possible. - Series connection is possible. When connecting in series, add diode to prevent reverse bias to the output of each converter. - This product has a built-in over-current, short protection circuit, but tong time short circuit will cause failure, so avoid it. - Be sure to execute soldering to the printed circuit board within the noted regulation temperature. - It can not be used in case that it would affect lives or properties directly by failure of this product. Make sure to confirm us before adopting it. ~ Product can not be used under oscillation, strike or temp. conditions that are out of the specification. Contact for any questions. - No test certificate is attached to this product. <Guarantee> This product shall be guaranteed for one year. During this period, if there should be any failure definitely due to our designing or manufacturing workmanship, we will replace it with new one at our own expense, But in case that it should be modified and/ or made internal remodeling by buyer itself whatsoever, we connot guarantee it. This guarantee shall cover only 1.5Watt BY-L series. Bellinix (ant Bellnix. Co., Ltd. wis 5-7-8 Negishi Minami-ku, Saitama-shi, Saitama, JAPAN 336-0024 TEL: 048-864-7733 FAX: 048-861-6402 E-mail: info@belinix.co.jp Bream and Creation URL: http://www.bellnix.co.jp/ *All specification are subjected to change without notice. Printed in Japan BD20050408-021212