SRK2000DTR STMicroelectronics, SRK2000DTR Datasheet
SRK2000DTR
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SRK2000DTR Summary of contents
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... A noticeable feature is the very low external component count required. Figure 1. Internal block diagram Table 1. Device summary Order code SRK2000D SRK2000DTR Doc ID 17811 Rev 1 SRK2000 Preliminary data SO-8 Package Packing Tube SO-8 Tape and reel 1/17 www ...
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Contents Contents 1 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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SRK2000 1 Pin description Figure 2. Pin configuration Table 2. Pin description n. Name 1 SGND DVS1 4 DVS2 5 GD2 7 GD1 6 PGND 8 Vcc SGND SGND DVS1 DVS1 ...
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Pin description Figure 3. Typical system block diagram 4/17 Doc ID 17811 Rev 1 SRK2000 ...
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SRK2000 2 Maximum ratings Table 3. Absolute maximum ratings Symbol Pin Vcc 8 Icc 8 Z --- DVS1,2_sk DVS1,2_sr Table 4. Thermal data Symbol R Max. thermal resistance, junction-to-ambient thJA Ptot ...
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Electrical characteristics 4 Electrical characteristics T = -25 to 125 ° specified; typical values refer to T Table 5. Electrical characteristics Symbol Supply voltage V Operating range CC V Turn-on threshold CCOn V Turn-off threshold CCOff Hys Hysteresis ...
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SRK2000 Table 5. Electrical characteristics (continued) Symbol I Bias current EN Turn-off threshold selection V Selection threshold EN-Th I Pull-down current EN Gate drivers V Output high voltage GDH V Output low voltage GDL I Output source peak current sourcepk ...
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Application information 5 Application information 5.1 EN pin: pin function and usage The pin may perform three different functions: it sets the threshold V to-source voltage of either Synchronous Rectifier (SR) power MOSFET to determine their turn-off in each conduction ...
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SRK2000 As Vcc exceeds V activated. The voltage on the pin is then compared to an internal reference V 1 this threshold is exceeded the gate drivers GD1 and GD2 will be enabled and the SR MOSFETs will ...
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Application information Equation not too low (<8÷9 V) its tolerance is not critical because related only to that of CC_G V (±5.6%) and of the external resistors R1, R2 (±1% each is recommended). Then, EN_On some ...
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SRK2000 5.1.3 Remote on/off control Whichever configuration is used, since a voltage on the EN pin 45 mV below V disables the gate drivers, any small-signal transistor can be used to pull down the EN pin and force the gate ...
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Application information higher than twice the output voltage; if this exceeds the voltage rating of the internal clamp (Vcc = 36 V typ.) a series resistor R Z value, lower than the maximum rating (25 mA) and taking the related ...
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SRK2000 Figure 8. Typical connection of the SRK2000 to the SR MOSFET 5.3 Gate driving The IC is provided with two high-current gate-drive outputs (1A source and 3.5 A sink), each capable of driving one or more N-channel Power MOSFETs. ...
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Application information cycles of the resonant converter (i.e. 16 consecutive cycles for each SR MOSFET of the center-tap). Once in sleep mode, SR MOSFET gate driving is re-enabled when the conduction time of the body diode (or the external diodes ...
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SRK2000 6 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: ® ...
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Revision history 7 Revision history Table 6. Document revision history Date 10-Aug-2010 16/17 Revision 1 Initial release. Doc ID 17811 Rev 1 SRK2000 Changes ...
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... SRK2000 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...