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STSR3 |
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| Part Number | STSR3 |
| Manufacturer | STMicroelectronics (https://www.st.com/) |
| Description | STSR3 Smart Driver IC provides a high current outputs to properly drive secondary Power Mosfets used as Synchronous Rectifier in low output voltage, high efficiency Flyback Converters. From a synchron... |
| Features |
cillator synchronized by the clock signal. This anticipation is externally set through external component. A special Inhibit function allows to shut-off the drive output. This feature makes discontinuous conduction mode possible and avoids reverse conduction of the synchronous rectifier.
SCHEMATIC DIAGRAM
Vcc
2
+
BIAS UVLO
5.7V
CK 4
PEAK DETECTOR
ANTICIPATION SET
3 SETANT
+
HIGH FREQUENCY OSCILLATOR
DIGITAL CONTROL
OUTPUT BUFFER
+
7 OUTGATE
INHIBIT 5
+ 25mV
1 N/C
6
8
SGLGND
PWRGND
June 2003
1/12
STSR3
ABSOLUTE MAXIMUM RATINGS
Symbol VCC VINHIBIT VCK PTOT ESD Tstg Top DC I... |
| Document |
 STSR3 Data Sheet
PDF 203.48KB |
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