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PM8804

STMicroelectronics
Part Number PM8804
Manufacturer STMicroelectronics
Description PWM controller
Published Mar 25, 2020
Detailed Description PM8804 PWM peak current mode controller for PoE and telecom systems VFQFPN 3.0x3.0x1.0 16L 0.5 mm pitch Features  PWM...
Datasheet PDF File PM8804 PDF File

PM8804
PM8804


Overview
PM8804 PWM peak current mode controller for PoE and telecom systems VFQFPN 3.
0x3.
0x1.
0 16L 0.
5 mm pitch Features  PWM peak current mode controller  Input operating voltage up to 75 V  Internal high-voltage start up regulator with 20 mA current capability  Current sense with programmable blanking time up to 200 ns  Programmable fixed frequency up to 1 MHz  Soft-start up with settable time  Soft turn off (optionally disabled)  Dual low-side complementary gate drivers  Programmable dead time from 10 to 200 ns between GATE1 and GATE2  Gate drivers have 1 A peak capability  GATE2 optionally turned off for reduced consumption  80% maximum duty cycle with internal slope compensation  Internal pull-up resistor on CTL pin enables the optocoupler connection  Operating current consumption < 1.
5 mA  Embedded protections: – Severe overcurrent protection with latch after 4 events – Delayed overload protection with automatic restart – Feedback disconnection (OV) protection on VC – Th...



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