BSV-3.3S9R5D

High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series BSV Series is a small (33×22.5×7mm), 31.35W output power step-down DC-DC converter. With ultra-low output voltage from 0.8V, it can support the latest FPGA, DSP, ASIC applications. High efficiency and ultra-high-speed response with synchronous rectification have been achieved along with space-saving without external parts. This product will exceed your expectations in all aspects. ■ Features ･Output Voltage Accuracy ±3.0% ･Ultra-high Efficiency 92% ･Ultra Compact, High Power Density ･Non-isolated type Converter ･Built-in Over Current Protection Circuit ･ON/OFF Control ･High-speed Response ･External Capacitor Not Required ･Heat Sink Not Required ■ Model/Rating Models BSV Series BSV-3.3S9R5 BSV-3.3S9R5D ･Amazingly miniaturized ･Operating Temp Range -40ºC to +85ºC ･High Reliability, High Performance ･Use of the Latest Power-IC ･Synchronous rectification ･RoHS Compliant ･Short-circuit, Over Current Protection Circuit ･Adjustable Output Voltage ･DIP, SIP Package Table 1 Input V Vdc Output V Vdc 5.0V 3.3V (3.0 to 5.5) (0.8 to 3.3) Output I A Line Reg. %(typ.) Load Reg. %(typ.) Ripple Noise mVpp(typ.) Efficiency %(typ.) 0 to 9.5 0.5 0.5 30 92 Package SIP DIP Note 1: Unless otherwise specified, measured at input voltage 5.0V, output voltage 3.3V, rated output current and ambient temperature 25ºC±5ºC. Note 2: Efficiency is measured at input voltage 5.0V, output voltage 3.3V, rated output current and ambient temperature 25ºC±5ºC. Note 3: Potential difference of 0.7V or more is required between input voltage and output voltage. Vin(V)-Vo(V) ≧ 0.7V Note 4: Ripple noise is measured at 20MHz bandwidth. Note 5: Depending on the ambient temp. conditions, temperature derating and air flow cooling may be required. ■ Specifications Input voltage range Rated input voltage Rated output voltage Output voltage initial setting Adjustable output voltage range Output voltage accuracy Line regulation Load regulation Temp. regulation Ripple noise Efficiency Turn-on Rise time Max. output load capacity Over current protection Output over voltage protection Remote ON/OFF control P-Good output Operating temp range Storage temp range Humidity range Storage conditions Cooling conditions Vibration Impact Weight Outer dimensions Table 2 Refer to Table 1 5.0V 3.3V 3.3V (When Trim pin is open) Refer to Table 1 ±3.0% (±0.099V) Refer to Table 1 (Rated output, input voltage varying in the range of Table 1) Refer to Table 1 (Rated input/output voltage, load varying from 0 to 100%) ±0.02%/ºC typ. (Rated input/output, operating temp varying from -40ºC to +55ºC) Refer to Table 1 (Rated input/output, measurement frequency bandwidth 20MHz) 92% typ. (Rated input/output, refer to Table 1) 1.0ms typ. (Resistance load) 10000µF max. Yes None Yes Yes (Only BSV-3.3S9R5D) Operating temperatures -40ºC to +85ºC (Refer to temp derating described separately) Storage temperatures -40ºC to +85ºC 20% to 95% R.H. (Max. wet bulb temp 35ºC with no condensation) Below 30ºC/60% R.H. before mounting the converter Refer to temp derating shown separately 5 to 10Hz total amplitude 10mm (3 directions, 1 hour each), 10 to 55Hz acceleration 2G (3 directions, 1 hour each) Acceleration 20G (3 times for each of 3 directions), Impact time 11±5ms 5g typ. SIP type : W=24.0 L=33.0 H=6.0 (mm) (For dimensional details, refer to the shape and dimensions shown separately) DIP type : W=22.25 L=33.0 H=7.0 (mm) (For dimensional details, refer to the shape and dimensions shown separately) * The above specifications are provided with rated value, unless otherwise specified. * The contents provided in this datasheet may be changed at any time without prior notice. 1 Bellnix DC-DC Converter BDD20150226 High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series 1. Scope These specifications shall apply to the DC input, non-isolated type DC-DC converter BSV-3.3S9R5 Series 2. Model/Rating Model name Rated input voltage Rated output Shape Remarks BSV-3.3S9R5 DC5.0V 3.3V, 9.5A SIP BSV-3.3S9R5D DC5.0V 3.3V, 9.5A DIP Unless otherwise mentioned in these specifications, input shall be rated input, output shall be rated output, and ambient temperature shall be 25ºC±5ºC. 3. Environmental conditions 3-1 Temperature range In operation -40ºC to +85ºC (Derating required) In storage -40ºC to +85ºC 3-2 Humidity range In operation 20 to 95% R.H. (However, max. wet bulb temperature 35ºC, no condensation) In storage 20 to 95% R.H. (However, max. wet bulb temperature 35ºC, no condensation) Note) For storage before mounting, store in a place below 30ºC and 60% R.H. 4. Specifications & Standards This product is RoHS compliant. 4-1 Input characteristics Item Specifications & Standards BSV-3.3S9R5 Input voltage Input current Standby current Conditions BSV-3.3S9R5D +3.0 to 5.5V (Rating 5.0V) *1 7A typ. 7A typ. 1.0mA max. Upon rated input and rated output Vin=5.0V, when short-circuiting On/Off pin and GND *1 Input voltage to be set higher than output voltage by 0.7V or more. (Vin≧4.0V when Vout=3.3V） 2 BDD20150226 High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series 4-2 Output characteristics and functions *2, *3 Item Specifications & Standards BSV-3.3S9R5 BSV-3.3S9R5D Rated output voltage Output voltage accuracy Adjustable output voltage range Output current Line regulation 3.3V Load regulation Temperature regulation Efficiency Ripple noise Over current protection circuit Over voltage protection circuit Under voltage lock out 0.5% typ. 1.5% max. ±0.02% / ºC typ. Conditions 3.3V±3% (±0.099V) 0.8V to 3.3V By external resistor 0 to 9.5A 0.5% typ. 1.0% max. Derating required Input voltage varying from 4.0 to 5.5V Load varying from 0 to rating Temperature varying from -40 to +55 ºC Upon output of rated current BW=20MHz 92% typ. (Io=9.5A) 94%typ. (Io=6A) 30mVp-p typ. 100mVp-p max. Operate at 105% or above, auto restart type None Yes Activation voltage: 2.84V±0.1V Deactivation voltage: 2.78V±0.1V ON/OFF control ON when open (2.6V or more) Upon input of 3.3V OFF when short (0.65V or less) ON when open (3.75V or more) Upon input of 5.0V OFF when short (0.9V or less) P-Good threshold ±72mV (58 to 86mV) When Vout < 1.2V voltage ±6.1% (4.8 to 7.1%) When Vout≧1.2V P-Good low level 0.4V max. Sink current 4mA max. voltage Upon activation by input voltage: 1.8 to Turn-on Delay 2.8ms Upon activation by On/Off pin: 40 to 100μs Resistance load Turn-on Rise 1.0ms typ. Upon activation only P-Good blanking time 4ms typ. Max. output 10000μF max. capacitive load *2 With the measurement circuit of 4-3, *3 Unless otherwise specified, measured at 5.0V input voltage, 3.3V output voltage, 9.5A output current, and 25ºC±5ºC ambient temperature. 3 BDD20150226 High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series 4-3 Measurement circuit 2,3,4 A +Vin +Vout Vin BSV-3.3S9R5 シリーズ Series (23) (P-Good) V 1 (NC) (NC) 9,10,11 (13,14,15) (22,24) V Trim 12 On/Off A Load R1 GND 5,6,7,8 Oscilloscope ｵｼﾛｽｺ-ﾌﾟ (OSC) (OSC) SW Down設定抵抗 R1: R1:Vout Vout Down Setting Resistor Open =ON Short=OFF Pin No.13, 14, 15, 22, 23, 24 are for DIP type only ※：Pin番号：13,14,15,22,23,24はDIP型のみ Coaxial cable 同軸ケーブル: 50Ω 1.5m Rx: 51Ω Cx: 0.1μ F Rx オシロスコープ Oscilloscope (Measurement （リップル･ of ripple noise) ノイズの測定） Block diagram L1 +Vin 2,3,4 (P-Good) (23) POWER IC +Vout 9,10,11 Vfb P-Good control GND 5,6 Trim 12 Vref On/Off 1 On/Off 5. Cx GND 7,8 4 BDD20150226 High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series Temperature derating The product requires placement on PCB with good airflow. If this product is to be used in an ambient temperature of +25ºC and over, implement the following temperature derating before use. BSV-3.3S9R5 temperature derating ■通電条件 Test conditions 入力電圧5.0[V] Input voltage 5.0[V] 出力電圧3.3[V] Output voltage 3.3[V] Wind ：風速2.0[m/s] velocity Wind ：風速1.0[m/s] velocity Wind ：風速0.0[m/s] velocity 14 current [A] Output 出力電流[A] 12 8 6 4 2 0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 周囲温度[℃] Ambient temperature [ºC] BSV-3.3S9R5D temperature derating ■通電条件 Test conditions 入力電圧5.0[V] Input voltage 5.0[V] 出力電圧3.3[V] Output voltage 3.3[V] Wind ：風速2.0[m/s] velocity Wind ：風速1.0[m/s] velocity Wind ：風速0.0[m/s] velocity 14 12 current [A] Output 出力電流[A] 6. 8 6 4 2 0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Ambient temperature [ºC] 周囲温度[℃] 5 BDD20150226 High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series 7. Outer dimensions and description of pins 7-1 Shape and dimensions of BSV-3.3S9R5 (SIP type) 6.0max 33max 1 3.5 ±1.5 0.5 12 4.0typ 24max 21.5(+1,-0.5) 0.8 1.0typ 0.25 P2.54×11=27.94 7-2 Shape and dimensions of BSV-3.3S9R5D (DIP type) 33max 13 22.25±0.6 C/L 21.5 24 1 P2.54×11=27.94 Function on/off Vin Vin Vin GND GND GND GND Vout Vout Vout Trim Pin Function 1 on/off 2 Vin 3 Vin 4 Vin 5 GND 6 GND 7 GND 8 GND 9 Vout 10 Vout 11 Vout 12 Trim 13 NC 14 NC 15 NC 22 NC 23 P-Good 24 NC 3.5±1.5 8.0 max. 0.5 0.25 12 Pin 1 2 3 4 5 6 7 8 9 10 11 12 7-2. Display, dimensional tolerance, etc. ・Unit: mm ・Dimensional tolerance (unless specified) ±0.5 ・Weight = 5g typ. ・Lot No. display: (1)(2)(3) (1) The last digit of A.D. (2) Manufacturing month (Oct/Nov/Dec = O/N/D) (3)Production code (may not be indicated) 6 BDD20150226 High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series 8. Usage information 8-1 Standard connection diagram 2,3,4 +Vout +Vin 9,10,11 BSV-3.3S9R5 Series シリーズ (23) Vin + C1 (P-Good) C2 Load 1 On/Off Trim 12 GND 5,6,7,8 SW Open=On Short=Off R1 R1: Vout R1: Vout DownDown設定抵抗 Setting Resistor Note1 : Keep ON/OFF pin open when not using ON/OFF control. Note2 : Keep Trim pin open when not using adjustable output. Note 3: P-Good (23pin) is a function for BSV-3.3S9R5D (DIP type) only. Recommended capacitor C1 = 0μF to hundreds of μF C2 = 0μF to 200μF typ. 10000μF max. C1: Not required as long as impedance is very low and lines between +Vin side and the converter are connected thick and short. For high impedance, adding a capacitor of low ESR such as an organic semiconductor solid capacitor or a multi-layered ceramic capacitor is recommended. C2: Not required due to an internal output capacitor. A multi-layered ceramic capacitor placed on the load side will be recommended to satisfy electrical characteristics (to reduce ripple noise). 7 BDD20150226 High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series 8-2 Turn-on Rise characteristics Amount of start-up time required for activating output voltage and P-Good signal after meeting start-up conditions shall be as illustrated in the following figure. Note 1) Apply Vin of the converter at the speed faster than 5V/s. Input voltage 入力電圧 起動開始電圧 Start-up voltage ON/OFF pin on/off端子 Start-up voltage 起動開始電圧 Output voltage 出力電圧 P-Good端子電圧 P-Good pin voltage Turn-on Delay Turn-on Rise 1.0ms typ. 2.2ms typ. Turn-on Rise 1.0ms typ. P-Good blanking time 4ms typ. P-Good blanking time 4ms typ. * In the measurement circuit of 4-3 8-3 ON/OFF Control The ON/OFF Control function enables users to control ON/OFF of the output voltage without inputting or cutting it off. On/Off pins are connected inside to +Vin pin with a 22kΩ resistor. Leave the On/Off pin open when ON/OFF Control is not used. Between On/Off pin (No.1 pin) and GND (No.5 to 8 pin) Open Short (0 to 0.9V … 0.3mA max.) … Output ON Output OFF +Vin 2,3,4 22kΩ On/Off 1 or GND 5,6,7,8 8 BDD20150226 High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series 8-4 Adjustable method for output voltage Keep Trim pin (12pin) OPEN, when using output voltage at 3.3V without adjustment. Output voltage may be adjusted between 0.8 and 3.3V by connecting a resistor between Trim pin (12pin) and GND pin (5 to 8pin). Wiring for Trim pin should be short and straight preferably when using adjustable output voltage feature. If noise appears on the pin, it causes mal-function. The below formula should be referred for external resistance. It is important to check output voltage and adjust resistance in an actual device. When setting output voltage between 0.8V to 3.3V Rx  R 2  R 4  Vout  R3 (Ω) R1  R 2  R 4  I1  R 2  Vout R1=51Ω, R2=182Ω, R3=24kΩ, R4=94.3kΩ, I1=0.02733mA, Vout=Desired output voltage (V) +Vout 9,10,11 R1 R3 I1 Trim 12 R4 Rx calculated value (kΩ) OPEN 271.0(270+1) 121.1(120+1.1) 89.5(82+7.5) 54.6(51+3.6) 30.0 17.0(15+2) 6.2 R2 e.g. Desired output voltage (V) 3.3 2.5 2.0 1.8 1.5 1.2 1.0 0.8 Rx GND 5,6,7,8 9 BDD20150226 High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series 8-5 P-Good pin Output state of the converter may be obtained by using P-Good pin. This pin is pulled up internally to +Vin pin with 47kΩ resistor. When output voltage (+Sense pin voltage) goes out of the converter’s pre-set range, P-Good pin becomes low. ・ Vout < 1.2V : | Output voltage-Set voltage | ≦72mV typ. -> High ・ Vout ≧1.2V: | Output voltage-Set voltage | ≦6.1% typ. of set voltage -> High However, even if the above conditions are fulfilled, output voltage may decrease to Low under the following circumstances. ・ Potential difference between input and output: Vin - Vout < 0.7 ・ Input voltage less than 3V ・ Output current in over current state ・ IC’s junction temp exceeding 150ºC typ. +Vin 2,3,4 47kΩ P-Good 23 GND 5,6,7,8 9. Protection against reverse connection for input power supply (example) This product is a DC-DC converter with non-isolation between input and output to have a positive polarity step down to a positive polarity. This product will be damaged if erroneously connected with reverse input polarity. To cope with 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 +Vin on/off +Vin D1 2,3,4 1 9,10,11 BSV-3.3S9R5 12 ｼﾘｰｽﾞ Series +Vout Trim Load 5,6,7,8 GND 10 BDD20150226 High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series 10. Over voltage protection circuit (example) This product has no built-in function for over voltage protection. If the product is damaged for any reason, DC input voltage will be output as is. To prepare for the damage by over voltage mode, add an input cutoff circuit as shown in the following figure. FUSE +Vin SCR +Vin 2,3,4 on/off 1 9,10,11 BSV-3.3S9R5 Series ｼﾘｰｽﾞ 12 +Vout Trim Over Voltage 過電圧 Detection 検出回路 Circuit Load 5,6,7,8 GND Note 1: ON/OFF control does not function in case of overvoltage mode damage. Note 2: ON/OFF function on the power supply side can be used, if any. Note 3: Allow enough capacity for DC power supply for a fuse to blow. 11. Mounting conditions Observe the following conditions for soldering temperature and time as well as for the storage before mounting. Flow mounting is not possible for this product. Observe the following conditions for soldering temperature and time. 12, 1) Soldering iron 340 ºC to 360 ºC Within 3 seconds 2) Dip solder bath 240 ºC to 260 ºC Within 10 seconds Vibration and impact tests Vibration: 5 to 10Hz Total amplitude 10mm, 10 to 55Hz Acceleration 2G (3 directions, 1 hour each) Impact : Acceleration Duration 20G (3 directions, 3 times each) 11±5ms 13. Cleaning This product is not for immersible cleaning. Use of no-clean flux is recommended. If cleaning is absolutely necessary, using a brush only, hand-wash the solder surface with Isopropyl alcohol (IPA). After cleaning, allow sufficient drying before use. 11 BDD20150226 High-Speed Response Non-Isolated POL DC-DC Converter 9.5A BSV Series 14. 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. ・ This product is not suitable for serial or 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. ・ Avoid 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. ・ A fuse mechanism is not built in this product. Connect a fuse to +input line to guard against excessive input current under abnormal circumstances. Allow enough capacity for power supply for a fuse to blow. ・ This product has no build-in function for over voltage protection. If over voltage occurs due to anomalies in the module, input voltage is output, as is, in the same mode, which may result in fumes and ignition. To prevent this from occurring, always add an over voltage protection circuit. ・ This product does not come with a test report. 15. 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. 16. Miscellaneous matters Any doubt arising out of or in connection with these specifications shall be determined upon mutual consultation between the parties concerned. 17. Contact If you have any further technical questions for this product, please contact us. E-mail: info@bellnix.com URL: http://www.bellnix.com 12 BDD20150226