rev. The semi-regulated output can be followed by 3-terminal regulators to provide output protection, in addition to output regulation. 02/2008 W output ·temperature range: -40°C~+85°C ·unregulated ·high efficiency to 80% ·single voltage output ·small footprint ·DIP package style ·industry standard pinout ·UL94-V0 package ·no heatsink required ·1K Vdc isolation ·power density 0.85 W/cm³ ·no external component required ·low cost input voltage nominal range (V dc) (V dc) VBSD1-S3.3-S3.3-DIP VBSD1-S3.3-S5-DIP VBSD1-S5-S3.3-DIP VBSD1-S5-S5-DIP VBSD1-S5-S9-DIP VBSD1-S5-S12-DIP VBSD1-S5-S15-DIP VBSD1-S12-S3.3-DIP VBSD1-S12-S5-DIP VBSD1-S12-S9-DIP VBSD1-S12-S12-DIP VBSD1-S12-S15-DIP VBSD1-S15-S3.3-DIP VBSD1-S15-S5-DIP VBSD1-S15-S9-DIP VBSD1-S15-S12-DIP VBSD1-S15-S15-DIP VBSD1-S24-S3.3-DIP VBSD1-S24-S5-DIP VBSD1-S24-S9-DIP VBSD1-S24-S12-DIP VBSD1-S24-S15-DIP VBSD1-S24-S24-DIP date features · isolated 1 Designed to convert fixed voltages into an isolated voltage, the VBSD1-DIP series is well suited for providing board-mount local supplies in a wide range of applications, including mixed analog/digital circuits, test & measurement equip., process/machine controls, datacom/telecom fields, etc... MODEL 1 of 3 DESCRIPTION: dc-dc converter PART NUMBER: VBSD1-DIP series description page 3.3 3.3 5 5 5 5 5 12 12 12 12 12 15 15 15 15 15 24 24 24 24 24 24 3.00~3.60 3.00~3.60 4.5~5.5 4.5~5.5 4.5~5.5 4.5~5.5 4.5~5.5 10.8~13.2 10.8~13.2 10.8~13.2 10.8~13.2 10.8~13.2 13.5~16.5 13.5~16.5 13.5~16.5 13.5~16.5 13.5~16.5 21.6~26.4 21.6~26.4 21.6~26.4 21.6~26.4 21.6~26.4 21.6~26.4 output voltage (V dc) 3.3 5 5 5 9 12 15 3.3 5 9 12 15 3.3 5 9 12 15 3.3 5 9 12 15 24 output current max. min. (mA) (mA) 303 200 100 200 111 83 67 303 200 111 83 67 303 200 111 83 67 303 200 111 83 67 42 31 20 10 20 12 9 7 31 20 12 9 7 31 20 12 9 7 31 20 12 9 7 4 efficiency typ. (%) UL60950-1 72 73 68 70 78 78 80 73 71 76 78 79 73 74 75 79 75 76 73 78 78 79 78 NO NO NO YES YES YES YES NO YES YES YES YES NO NO NO NO NO NO YES YES YES YES NO 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 rev. page 2 of 3 date 02/2008 DESCRIPTION: dc-dc converter PART NUMBER: VBSD1-DIP series OUTPUT parameter output power voltage accuracy ripple conditions/description line regulation load regulation temperature coefficient switching frequency min 0.1 refer to recommended circuit @ 20MHz Bandwidth 3.3/5/12/15V 24 V input voltage from low to high 10% to 100% full load 3.3V 5V 12V 15V refer to recommended circuit 100% load, nominal input nom ±1 75 100 12 10.5 6.8 6.3 max 1 ±2 100 150 1.2 20 15 15 15 0.03 100 units W % mVpp mVpp % % % % % %/°C KHz note: 1. All specifications measured at TA-25°C, humidity <75%, normal input voltage and rated output load unless otherwise specified. GENERAL SPECIFICATIONS parameter output short circuit protection temperature rise at full load cooling operating temp. range storage temp. range storage humidity range case material MTBF conditions/description <1 second 15°C typ., 25°C max. free air convection -40°C ~ +85°C -55°C ~ +125°C ≤95% plastic (UL94-V0) >3,500,000 hours ISOLATION SPECIFICATIONS parameter isolation voltage isolation resistance conditions/description flash tested for 1 minute test at 500 V dc DIMENSIONS (mm) min 1000 1000 nom max TYPICAL CHARACTERISTICS First Angle Projection RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch), diameter:1.00mm 14 14 9 8 1 7 7 1 11 9 8 Note: Unit:mm(inch) Pin section:0.50*0.30mm(0.020*0.012inch) Pin tolerances: +0.10mm( + 0.004inch) General tolerances: +0.25mm ( +0.010inch) units V dc MΩ FOOTPRINT DETAILS Pin 1 Single -Vin NC 8 9 11 -Vout +Vout No Pin +Vin Operating Temp.(oC) 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 rev. page 3 of 3 date 02/2008 DESCRIPTION: dc-dc converter PART NUMBER: VBSD1-DIP series APPLICATION NOTES: - Output voltage regulation and over-voltage protection circuit The simplest device for output voltage regulation, over-voltage and over-current protection is a linear voltage regulator with - Requirement on output load To ensure this module can operate efficiently and reliably, overheat protection that is connected to the input or output the minimum output load should not be less than 10% of the end in series (Figure 2). full load. Also, this product should never be operated under no load conditions. If the actual output power is too small, please connect a resistor with proper resistance at the output end in parallel to increase the load. FIGURE 2 +Vi n -Vin R EG REG - Overload protection Under normal operating conditions, the output circuit of these No parallel connection or plug and play. products has no protection against overload. The simplest method is to connect a self-recovery fuse in series at the input end or to add a circuit breaker to the circuit. - Recommended circuit If you want to further decrease the input/output ripple, an “LC” filtering network may be connected to the input and output ends of the dc-dc converter, see (Figure 1). FIGURE 1 L L +Vin DC DC Cin -Vin +Vout Cout -Vout It should also be noted that the inductance and the frequency of the “LC” filtering network should be staggered with the dc-dc frequency to avoid mutual interference. However, the capacitance of the output filter capacitor must be proper. If the capacitance is too big, a startup problem might arise. For every channel of output, provided that safe and reliable operation is ensured, the recommended capacitance of its filter capacitor see (Table 1). TABLE 1 5 4.7 Single Vout (VDC) 5 12 2.2 9 4.7 15 2.2 12 2.2 24 1 15 1 Vin (VDC) Cin (uF) +Vout DC DC Cout (uF) 10 It is not recommended to connect any external capacitor in the application field with less than a 0.5 watt output. 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 0V