VIPERADIP-E STMICROELECTRONICS [STMicroelectronics], VIPERADIP-E Datasheet
VIPERADIP-E
Related parts for VIPERADIP-E
VIPERADIP-E Summary of contents
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Features Fixed 60kHZ Switching Frequency 9V to 38V Wide Range V DD Current Mode Control Auxiliary Undervoltage Lockout with Hysteresis High Voltage Start-up Current Source Overtemperature, Overcurrent and Overvoltage Protection with Auto-Restart Typical power capability – European (195 - 265 ...
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Contents Contents 1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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VIPer12ADIP Electrical data 1.1 Maximum rating Stressing the device above the rating listed in the “Absolute Maximum Ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device ...
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Electrical characteristics 2 Electrical characteristics T = 25° 18V, unless otherwise specified J DD Table 3. Power section Symbol Parameter BV Drain-source voltage DSS OFF State drain I DSS current Static drain-source r DS(on) ON state resistance t ...
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VIPer12ADIP Table 5. Oscillation section Symbol Parameter Oscillator frequency F OSC total variation Table 6. PWM Comparator section Symbol Parameter Peak current I Dlim limitation I I Shutdown current (See ...
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Pin connections and function 3 Pin connections and function Figure 1. Pin connection SOURCE 1 SOURCE VDD 4 Figure 2. Current and voltage conventions Table 9. Pin function Pin Name Power supply of the control circuits. Also ...
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VIPer12ADIP Rectangular U-I Output characteristics Figure 3. Rectangular U-I output characteristics for battery charger A complete regulation scheme can achieve combined and accurate output characteristics. Figure 3. presents a secondary feedback through an optocoupler driven by ...
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Wide range of VDD voltage 5 Wide range of V The V pin voltage range extends from 9V to 38V. This feature offers a great flexibility in DD design to achieve various behaviors. In chosen to supply the device with ...
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VIPer12ADIP Feedback pin principle of operation A feedback pin controls the operation of the device. Unlike conventional PWM control circuits which use a voltage input (the inverted input of an operational amplifier), the FB pin is ...
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Feedback pin principle of operation The current limitation is obtained with the FB pin shorted to ground (V a negative current sourced by this pin, and expressed by: By reporting this expression in the previous one possible to ...
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VIPer12ADIP Startup sequence Figure 6. Startup sequence This device includes a high voltage start up current source connected on the drain of the device. As soon as a voltage is applied on the input of the ...
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Overvoltage threshold 8 Overvoltage threshold An overvoltage detector on the V exceeds V . This is illustrated in DDovp overvoltage event. Note that this event is only latched for the time needed and then the device ...
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VIPer12ADIP Operation pictures Figure 8. Rise and Fall time Figure 9. Start-up V Figure 10. Restart duty-cycle current DD DocRev1 Operation pictures 13/21 ...
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Operation pictures Figure 11. Peak drain current Vs. feedback current Figure 12. Thermal shutdown 14/21 DocRev1 VIPer12ADIP ...
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VIPer12ADIP Figure 13. Switching frequency Vs. temperature Figure 14. Current Limitation vs. Temperature DocRev1 Operation pictures 15/21 ...
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Mechanical Data 10 Mechanical Data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the ...
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VIPer12ADIP Table 10. DIP8 Mechanical Data Ref Package Weight Figure 15. Package Dimensions Dimensions Databook (mm) Nom. Min 0.38 2.92 3.30 0.36 0.46 1.14 ...
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Mechanical Data Table 11. SO8 Mechanical Data Ref ddd Figure 16. Package Dimensions 18/21 Dimensions Databook (mm) Nom. Min 1.35 0.10 1.10 0.33 0.19 4.80 3.80 1.27 5.80 ...
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VIPer12ADIP Order codes Table 12. Order codes Part Number VIPER12ASTR-E VIPer12AS - E VIPer12ADIP - E Package SO-8 SO-8 DIP-8 DocRev1 Order codes Shipment Tape and Reel Tube Tube 19/21 ...
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Revision history 12 Revision history Table 13. Document revision history Date 09-Jan-2006 20/21 Revision 1 Initial release. DocRev1 VIPer12ADIP Changes ...
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VIPer12ADIP Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may ...