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OB2273AP View Datasheet(PDF) - Unspecified

Part Name
Description
Manufacturer
OB2273AP Datasheet PDF : 12 Pages
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OB2273
High Performance Current Mode PWM Controller
Good power supply system reliability is achieved
with auto-recovery protection features including
Cycle-by-Cycle current limiting (OCP), Over Load
Protection (OLP), and Under Voltage Lockout on
VDD (UVLO), and latch shutdown features
including over temperature protection (OTP), fixed
or adjustable VDD over voltage protection (OVP).
With On-Bright Proprietary technology, the OCP is
line voltage compensated to achieve constant
output power limit over the universal input voltage
range.
At overload condition when FB input voltage
exceeds power limit threshold value for more than
TD_PL, control circuit reacts to shut down the
converter. It restarts when VDD voltage drops
below UVLO limit. For protection with latch shut
down mode, control circuit shutdowns (latch) the
power MOSFET when an Over Temperature
condition or Over Voltage condition is detected
until VDD drops below 5V (Latch release voltage) ,
and device enters power on restart-up sequence
thereafter.
to
Confidential
Bright
On
©On-Bright Electronics
Confidential
-9-
Preliminary Datasheet
OB_DOC_DS_227305
 

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