BTA BELLNIX | Alldatasheet
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The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 BTA series is a thin, high efficiency, low noise isolated DC-DC converter. Contrived to adopt new circuit to achieve miniaturization. Circuit construction is high-efficiency and simple. Adjustable output voltage and remote ON/OFF control has been added as a new function. <Features> <Model, Rating> Table 1 Model Input V Vdc Output V Vdc Output I mA Line Reg. mV(max.) Load Reg. mV(max.) Noise mVpp(typ.) Efficiency %(typ.) BTA05-03S40 3.3 0 to 400 71 BTA05-05S30 5 0 to 300 20 40 40 77 BTA05-12S12 12(15) 0 to 125 (100) 40 100 80 BTA05-12W06 4.5 to 9 ±12(±15) 0 to 60 (50) 80 600 30 79 BTA12-03S40 3.3 0 to 400 73 BTA12-05S30 5 0 to 300 20 40 40 78 BTA12-12S12 12(15) 0 to 125 (100) 40 100 82 BTA12-12W06 9 to 18 ±12(±15) 0 to 60 (50) 80 600 30 81 BTA24-03S40 3.3 0 to 400 72 BTA24-05S30 5 0 to 300 20 40 40 77 BTA24-12S12 12(15) 0 to 125 (100) 40 100 81 BTA24-12W06 18 to 36 ±12(±15) 0 to 60 (50) 80 600 30 79 BTA48-03S40 3.3 0 to 400 70 BTA48-05S30 5 0 to 300 20 40 40 75 BTA48-12S12 12(15) 0 to 125 (100) 40 100 80 BTA48-12W06 36 to 76 ±12(±15) 0 to 60 (50) 80 600 30 79 Note1 : Specify the type in the column of the model name. D:DIP type, S:SMD type Ex.) DIP type: BTA05-03S40D, SMD type: BTA05-03S40S Note2 : The Output voltage inside () is when it is short between Vadj and –Vout. Note3 : The output current inside () is when adjusted to the max. output voltage. -Adjustable Output Voltage -Remote ON/OFF Control -Dual Power Supply usable as Single Power Supply -Isolation Voltage AC500V -Built-in over-Current Protection -Built-in Low Input Voltage Protection -Built-in Over Input Current Protection element -No electrolytic Capacitor, No Tantalum Capacitor -MTTF 2,000,000 Hrs -Metallic Shield Cover -Halogen-Free PCB Used -Between Primary and Secondary combination capacitance approx. 60 to 140pF -Operating Temp. Range -40°C to 85°C (Temp. Derating required) -RoHS Compliance
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 <Specification> Table2 Input Voltage Range Refer to Table 1 Rating Output Voltage 3.3V±3%, 5V±3%, 12V±3%, ±12V±5% (Vadj pin at open) Adjustable Output Voltage Line Regulation Please refer to Table1 (rating Output, fo r the regulation of Input Voltage Range of Table1) Load Regulation Refer to table1 (Rating Input/Output Voltage, for the regulation of load 0 to 100% (±Output is when load is at balance)) (Input/Output rating, For operating temp. -40°C to 50°C) Ripple/Noise Refer to Table 1 (Rating Input/Output, At room temp, 20MHz bandwidth) Efficiency 70% to 82% typ. (Rating Input/O utput, At room temp., Refer to table 1) Over Current Protection Circuit Operates at 105% or more rating load current, auto recovery type. Avoid long time short-circuit Condition. Over Voltage Protection Circuit None Low Input Voltage Protection Available (Refer to p.11) Over Input Current Protection Built-in fuse in the input (refer to p.12) Remote ON/OFF Between 2pin (ON/OFF) and -3pin (−Vin) : Output goes OFF at open, Output goes ON when in short. (Refer to p.9) Stand by Current 0.6 to 2.4mA typ. (Depend on the model) Isolation Voltage Input|OutputCInput|Case, Output|Case AC500V 1min. Isolation resistance Input|OutputCInput|Case, Output|Case Over 50MΩ at DC500V. Primary-Secondary capacitance Approx. 60 to 140pF (Depend on the model) Operating Temp. Range Operating Temp. -40° C to 85°C (Need temp. derating from 50°C) Storage Temp. Range Storage Temp.-40°C to 85°C Humidity Range Humidity range 95%R.H. max. (Max. wet bulb 38°C, non-condensing) Cooling Condition Air Convention (Set in a place where good convection is ensured) Vibration 10 to 55Hz All amplitude 1.52mmp-p (2 hour s in each orthogonal axes), Scanning time 15min. Shock Acceleration 100G (3directions, 3times eac h, 18times in total), Persistent time 6ms Weight 3.2g typ. NOTE : Unless condition is specified, above specification is regulated as rating value.
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 This datasheet applies to the isolated DC/DC converter, BTA series. 2- Model/Rating Model Rating Input Voltage Rating Output Package BTA05-03S40D DIP BTA05-03S40S 3.3V, 400mA SMD BTA05-05S30D DIP BTA05-05S30S 5.0V, 300mA SMD BTA05-12S12D DIP BTA05-12S12S 12V, 125mA SMD BTA05-12W06D DIP BTA05-12W06S DC5V ±12V, each60mA SMD BTA12-03S40D DIP BTA12-03S40S 3.3V, 400mA SMD BTA12-05S30D DIP BTA12-05S30S 5.0V, 300mA SMD BTA12-12S12D DIP BTA12-12S12S 12V, 125mA SMD BTA12-12W06D DIP BTA12-12W06S DC12V ±12V, each60mA SMD BTA24-03S40D DIP BTA24-03S40S 3.3V, 400mA SMD BTA24-05S30D DIP BTA24-05S30S 5.0V, 300mA SMD BTA24-12S12D DIP BTA24-12S12S 12V, 125mA SMD BTA24-12W06D DIP BTA24-12W06S DC24V ±12V, each60mA SMD BTA48-03S40D DIP BTA48-03S40S 3.3V, 400mA SMD BTA48-05S30D DIP BTA48-05S30S 5.0V, 300mA SMD BTA48-12S12D DIP BTA48-12S12S 12V, 125mA SMD BTA48-12W06D DIP BTA48-12W06S DC48V ±12V, each60mA SMD 3- Environmental Condition 3-1 Temp. range When Operating : 40°C to 85°C (Derating required from 50°C) When Storage : −40°C to 85°C 3-2 Humidity Range
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 4-Specification 4-1 Input Condition, Output Characteristics When condition is not mentioned in this data sheet, input is rating input, output is rating output, ambient temp. is 25°C±5°C. Max. Output Voltage Constancy. Model *1 Input Voltage (V) Output Voltage *2 (V) *2 Output Current (mA) Input(m Load(m Temp. *4 (mV) Output Ripple/Noise *5 (mVp-p)typ./ max. Efficiency (%)typ. *6 BTA05-03S40 3.3±3% 0 to 400 20 40 80 40 / 120 71 BTA05-05S30 5.0±3% 0 to 300 20 40 80 40 / 120 77 12±3% 0 to 125 40 100 200 30 / 120 80 BTA05-12S12 15±3% 0 to 100 40 100 200 30 / 120 80 ±12±5% 0 to 60 × 2 80 600 300 30 / 120 79 BTA05-12W06 4.5 to 9 ±15±5% 0 to 50 × 2 80 600 300 30 / 120 79 BTA12-03S40 3.3±3% 0 to 400 20 40 80 40 / 120 73 BTA12-05S30 5.0±3% 0 to 300 20 40 80 40 / 120 78 12±3% 0 to 125 40 100 200 30 / 120 82 BTA12-12S12 15±3% 0 to 100 40 100 200 30 / 120 82 ±12±5% 0 to 60 × 2 80 600 300 30 / 120 81 BTA12-12W06 9 to 18 ±15±5% 0 to 50 × 2 80 600 300 30 / 120 81 BTA24-03S40 3.3±3% 0 to 400 20 40 80 40 / 120 72 BTA24-05S30 5.0±3% 0 to 300 20 40 80 40 / 120 77 12±3% 0 to 125 40 100 200 30 / 120 81 BTA24-12S12 15±3% 0 to 100 40 100 200 30 / 120 81 ±12±5% 0 to 60 × 2 80 600 300 30 / 120 79 BTA24-12W06 18 to 36 ±15±5% 0 to 50 × 2 80 600 300 30 / 120 79 BTA48-03S40 3.3±3% 0 to 400 20 40 80 40 / 120 70 BTA48-05S30 5.0±3% 0 to 300 20 40 80 40 / 120 75 12±3% 0 to 125 40 100 200 30 / 120 80 BTA48-12S12 15±3% 0 to 100 40 100 200 30 / 120 80 ±12±5% 0 to 60 × 2 80 600 300 30 / 120 79 BTA48-12W06 36 to 76 ±15±5% 0 to 50 × 2 80 600 300 30 / 120 79 *1 Specify the package in column. D: DIP type(Flow)S: SMD type(Reflow) *2 Output Voltage includes line regulation, load regulation(Balance Load), temp. regulation. *3 2 output type is when 2 output type has same current. *4 For temp. regulation –40 to 50°C. *5 Bandwidth 20MHz *6 When Rating Input Voltage, max. Output Current.
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 4-2 Capacity of External Capacitor This product has limit to the capacity of external capacitor. Please refer to the below table. Output External Capacitor Capacity Model +output side -output side BTAXX-03SXXX 0 to 100µF *1 — BTAXX-05SXXX 0 to 100µF *1 — BTAXX-12SXXX 0 to 47µF *1 — BTAXX-12WXXX 0 to 22µF *2 0 to 22µF *3 *1 Sum of C2 and C3 in standard connecting circuit in section6,1 *2 Sum of C2 and C4 in standard connecting circuit in section 6,2 *3 Sum of C3 and C5 in standard connecting circuit in section 6,2 4-3 Temp. Derating Air Convection -40-30-20-1 00 1 02 03 04 05 06 07 08 09 0 100 Ambient Temp.( ) Load Rate(%)
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 4-4 Measurement Circuit 7 +Vout 4 -Vout Load 3-Vin +Vin +Vin BTA-W SeriesON/OFF SW3 A Vadj SW4 V A Open = Output OFF Coaxes cable: 50¶, 1.5m R1: 51¶ C4: 0.1ÊF Oscilloscpe (Measuring Ripple/Noise) 7 +Vout 5 -Vout Load 3-Vin +Vin +Vin BTA-S SeriesON/OFF SW1 A Vadj SW2 V A C2, C3: 0.1ÊF (Multilayer Ceramic Capacitor) V Load C1: 0.1ÊF (Multilayer Ceramic Capacitor) SW2 SW1 Short = Output ON Open = Output OFF Vout = 3.3V¨3.6V = 5V¨6V = 12V¨15V Short: Open: = 3.3V, 5V, 12VVout SW3 Short = Output ON SW4 Short: Vout = }15V Open: Vout = }12V 4-5 Additional Function Article Specification/Standarization Condition Over Current Protection Circuit Operates above 105%, Auto-recovery type Over Voltage Protection Circuit None Low Input Voltage Protection Function Available Output Voltage Adjustable Range 3.15 to 3.6V(BTAXX-03SXXX) 4.75 to 6.0V(BTAXX-05SXXX) 11.4 to 15V(BTAXX-12SXXX) ±11.4 to ±15V(BTAXX-12WXXX) By External Resistor. Refer to 7-2 ON/OFF Control Output ON at Low(0| 0.4V) Output OFF at open Refer to 7-1 4-6 Isolation VoltageCIsolation Resistance 1- Isolation Voltage Input - OutputCInput - CaseCOutput - Case : AC500VC1min. 2- Isolation Resistance Input - OutputCInput - CaseCOutput - Case : Over 50M¶(At DC500V)
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 5. Outline and Pin 5-1 DIP type 1- Outline 2.54 (1.905) t=0.3 Bottom View The outline of the 8 to 11pin is the figure where each pin is viewed from the front side of each pin. 2.92 8.5 max.7.62 2.545.082.54 (1.905) 7-0.3w0.6 3 4 No.8, No.10,1 3.5 12.7 16.51 typ. 2.7 1.0 0.53.5 2.7 2.92 Model name and Manufacturing LOT no. is indicated on upper side. 2- Recommended dimension of the boardCPin function 2.927.62 12.7 5.08 16.51 2.542.54 7-Ó1.0 2-Ó1.5 Upper surface patten is prohibited due to stand offs Top View 910 118 2.92 2.54 1.905 Function Pin BTA-S BTA-W 1 +Vin +Vin
2 ON/OFF ON/OFF
3 −Vin −Vin
4 NC −Vout
5 −Vout Common
6 Vadj Vadj
8, 9 Connected to Case Connected to Case 10, 11 Stand off Stand off Dimensions : mm Dimensions : mm Tolerance unless otherwise specifiedF±0.5
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 5-2 SMD type 1-Outline Smoothness below0.15 t=0.3 8.8 max. 17.1 max.(16.6 typ.) 7.62 2.545.082.54 2.54 1.8 1.8 19.81 0.2min. Bottom View 0.6 17.3 max. (3.22)(3.22) Model name and Manufacturing LOT no. is indicated on upper side. 2- Recommended dimension of the boardCPin function (3.22)7.62 5.08 22.0 2.542.54 Top View (3.22) 2.54 3.2 15.6 3.2 1.2 Upper Surface pattern is prohibited because case is near Dimension : mm Function Pin BTA-S BTA-W 1 +Vin +Vin 3 −Vin −Vin 5 −Vout Common Dimension : mm Tolerance without otherwise specified : ±0.5
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 6. Standard Connection Circuit 1-BTA-S Series 7+Vin -Vin ON/OFF SW1 +Vin C1 C3C2 Load SW2 -Vout Vadj +Vout BTA-S Series SW1 Open = Output OFF Short = Output ON C1: 4.7ÊF SW2 Vout = 3.3V¨3.6V = 5V¨6V = 12V¨15V Short: Open: = 3.3V, 5V, 12VVout C2: 4.7ÊF C3: 0.47ÊF 2-BTA-W Series 7+Vin -Vin ON/OFF SW1 +Vin C1 C5C3 Load SW2 -Vout Vadj +Vout BTA-W Series SW1 Open = Output OFF Short = Output ON C2 C4 Load Common C1: SW2 Short: Vout = ±15V Open: Vout = ±12V C2, C3: C4, C5: 4.7ÊF 0.47ÊF 4.7ÊF 7. Function± 7-1 ON/OFF Control By using ON/OFF Control, output voltage can be ON/OFF controlled without charging or discharging input. Between −Vin pin (Pin3) and ON/OFF pin (Pin2) Low (0 - 0.4V 1mA max.) : Output ON Open (Max. +Vin voltage will generate) : Output OFF or ON/OFF -Vin +Vin
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 7-2 Adjustable Output Voltage Output voltage can be set as follow when Vadj pin and −Vout pin is short. Please open this pin when not adjusting the output voltage. Output voltage to connection of Vadj pin Model Open −Vout and Short BTAXX-03SXXX 3.3V 3.6V BTAXX-05SXXX 5.0V 6.0V BTAXX-12SXXX 12V 15V BTAXX-12WXXX ±12V ±15V Output voltage is adjustable by connecting resistor bet ween Vadj pin and +Vout pin. (Or between Vadj pin and −Vout pin) Note : When adjusting the output voltage, please operate below max. power 7-2-1 To lower the output voltage Output voltage can be lowered by connecting resistor Rb between Adjustable Output Pin (Vadj) and Plus Output Pin (+Vout). Calculation is as below. (Unit of Rb is [kΩ]). B T A - S S e r i e s B T A - W S e r i e s 7 +Vout
6 Vadj
Output Voltage : Vo[V]CConnecting resistor : Rb[kΩ] BTAXX-03SXXX Adjustable range is up to 3.15V.iRb62j BTAXX-05SXXX Adjustable range is up to 4.75V.iRb160j BTAXX-12SXXX Adjustable range is up to 11.4V.iRb620j BTAXX-12WXXX Adjustable range is up to ±11.4V. (Rb1500)
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 7-2-2 To raise the output voltage Output voltage can be raised by connecting resistor Ra between Adjustable Output Pin (Vadj) and Minus Output Pin (−Vout). (Unit for Ra is[kΩ]) BTA-S Series BTA-W Seires 7 +Vout Output Voltage : Vo[V]CConnecting resistor : Ra[kΩ] BTAXX-03SXXX BTAXX-05SXXX BTAXX-12SXXX BTAXX-12WXXX 7-3 Output Over Current Protection Function Output voltage will be lowered when output current is in state of over current and st art operating over current protection circuit. (Over current protection set point : 105 to 250% of rating current value) It will automatically recover when over current state is releas ed. In order to avoid from damage, please do not hold the over current state for more than 30sec. If by any reason does not auto recover after releasing, pl ease off the output at ON/OFF control or switch off to reactivate. 7-4 Low Input Voltage Protection Function This product builds in low input voltage protection functi on to avoid malfunction at low input voltage. Commencing operation and termination voltage range is within the below table. Model Commencing operation Termination Voltage BTA05 3.0 to 4.5V BTA12 6.0 to 9.0V BTA24 13 to 18V BTA48 27 to 36V
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 7-5 Input Circuit Protection Function Fuse is built in at input in order to protect circuit at secondary side when overcurrent flows to input by some abnormalities. Rating current and fusing current of the Built-in fuse is as below table. To assure fusing at abnormality, current capacity of power supply should be more than fusi ng current which is stated in below table. Model Rating Current Fusing Current BTA05 1.25A Above 2.5A BTA12 0.75A Above 1.5A BTA24 0.75A Above 1.5A BTA48 0.75A Above 1.5A 8. An example method to prevent inverse connection of input power supply. This product will be damaged when input polarity is connect ed reversely. Please add protection circuit when connection may be reversed. Below diagram is an example of using fuse and diode. 7 +Vout 5 -Vout LoadC2 C3 3-Vin +Vin +C1+D1+Vin FUSE BTA-S Series 2ON/OFF
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 9. Soldering Conditions Soldering is to be executed under the following conditions. 1- Soldering Iron (DIP Type, SMD Type) 380°C 3sec. 2- Soldering Dip (DIP type) 260°C 10sec. 3- Reflow (SMD type) Reflow Temp. Profile Solder Sn-3Ag-0.5Cu A A' B' CB Soldering Dip Time(s) Surface Temp. () Ty1 Ty2 TP 225 C B 1.0 to 5.0/s Ty1 to Ty2: 1.0 to 4.0/s Above 225: TP: Ty2: Ty1: 1.0 to 3.0/s 40 to 100s 170±10 150±10 245max. 20 to 40s A Do not vibrate the product during reflow. Reflow can be done only once. (Please do not mount backside.) NOTE: Eutectic soldering can be used within condition as above. 10. Material of Pin and case Pin : Phosphor bronze (Ni Foundation Sn Plating) Case : SPCC (Ni Plating) 11. Vibration / Shock Test Vibration : 10 to 55Hz All Amplitude 1.52mmp-p (2 hours in each of 3 orthogonal axes) Scanning time 15min. Shock : Acceleration 100G (3 times in each of 3 orthogonal axes, Total 18 times ) Duration 6ms 12. Cleaning Condition This product can not be washed whole. No clean solder paste is recommended for this product. When and if cleaning should be necessary only for DIP type, use IPA and hand-wash only soldered surface by brush cleaning. After cleaning be sure to dry up before using.
The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter 1.5Watt BTA Series DC-DC Converter BDD20081203 13. Environmental Compliance This product is RoHS compliance. Halogen free material is used for PCB. {Note} RoHS Compliance : Based on EU Directive2002/95/EC. 14. Precautions -This product intends to be used for general electronic equi pments (Clerical work machines, Telecommunications equipments, and Measurement equipments) . Therefore, do not use for medical equipments, nuclear power equipments, and trains, etc. the malfunction and damage of which may influence directly to human life and property. Please confirm when using it in the case except general electronic equipment. -For this product, parallel operation is not possible. -For mounting this product, please do not use connector or socket. The performance may not be fulfilled by the effect of contacting resistor. Please mount to PCB by soldering. -This product has a built-in over-current, short protection, but long time short ci rcuit will cause failure, so avoid it. -The product may be damaged if it is used under nonstandar d electric and environmental conditions such as temperature. Please be sure to keep the standards. -Do not store in a place where corridible gas may be generated or at a dusty place. -The soldering may degrade, so be careful when safekeeping in a place with high-temperature, hu,idity and rapid temperature change for more than 1 year. -There is a possibility of damage by static. When the work er has electrified static, please earth discharge and working on an earthed worktable will be recommended. -This product does not have a built in over voltage protection. -No test certificate is attached to this product. 15. Guarantee This product shall be guaranteed for 5 years. During this peri od, if there should be any failure definitely due to our designing or manufacturing workmanship, we will repair or 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 can not guarantee it. This guarantee shall cover only 1.5Watt BTA series.