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STR-S6525

Allegro MicroSystems
Part Number STR-S6525
Manufacturer Allegro MicroSystems
Description OFF-LINE SWITCHING REGULATOR
Published Aug 8, 2016
Detailed Description Data Sheet 28102.11 STR-S6525 OFF-LINE SWITCHING REGULATOR – WITH POWER MOSFET OUTPUT The STR-S6525 is specifically d...
Datasheet PDF File STR-S6525 PDF File

STR-S6525
STR-S6525

Overview
Data Sheet 28102.
11 STR-S6525 OFF-LINE SWITCHING REGULATOR – WITH POWER MOSFET OUTPUT The STR-S6525 is specifically designed to meet the requirement for increased integration and reliability in off-line flyback converters DRAIN 1 operating in a constant OFF-time mode.
The device incorporates the SOURCE 2 COMMON 3 TSYNC 4 CVIN 5 UFDBK 6 SOFT START 7 + D YFAULT-LATCH O LTRIGGER 8 OVER-CURRENT PROTECTION 9 OSC.
FAULT LATCH RS FAULT UVLO REF.
PR ONDwg.
PK-002-1 ABSOLUTE MAXIMUM RATINGS D ESupply Voltage, VIN .
.
35 V E CDrain-Source Voltage, VDS .
.
.
.
600 V NContinuous Drain Current, ID .
.
6.
0 A U E1 ms Single-Pulse Drain Current, IN RIDM .
.
.
.
24 A Single-Pulse Avalanche Energy, T EEA .
400 mJ FFeedback Input Current, IFDBK .
.
.
20 mA N EFault-Latch Trig.
Input Current, IFL 1.
0 mA dc ≤ 25%, IFLM .
.
-50 mA O RSoft-Start Output Current, ISS .
.
-3.
0 mA C ROver-Current Protection Voltage, SVOCP 3.
5 V I OInsulation Voltage,VWM(RMS) .
2000 V D FPackage Power Diss.
, PD .
.
.
See Graph FET Junction Temperature, TJ .
+150°C —Internal Frame Temperature, TF .
.
.
+125°C primary control and drive circuit with a discrete avalanche-rated highvoltage power MOSFET.
Crucial system parameters such as maximum ON time and OFF time are fixed during manufacture.
Local control circuit decoupling and layout are optimized within the device.
Cycle-by-cycle current limiting, soft start, under-voltage lock-out with hysteresis, over-voltage protection, and thermal shutdown protect the device during all normal and overload conditions.
Over-voltage protection, thermal shutdown, or an external fault signal be latched.
The dual requirements of dielectric isolation and low transient thermal impedance and steady-state thermal resistance are satisfied in an ov...


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