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UCC28632 Datasheet(PDF) 5 Page - Texas Instruments

Part # UCC28632
Description  High-Power Flyback Controller with Primary-Side Regulation and Peak-Power Mode
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

UCC28632 Datasheet(HTML) 5 Page - Texas Instruments

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HV
VDD
DRV
1
2
3
4
8
6
5
VSENSE
SD
CS
GND
5
UCC28630, UCC28631
UCC28632, UCC28633, UCC28634
www.ti.com
SLUSBW3D – MARCH 2014 – REVISED DECEMBER 2017
Product Folder Links: UCC28630 UCC28631 UCC28632 UCC28633 UCC28634
Submit Documentation Feedback
Copyright © 2014–2017, Texas Instruments Incorporated
5 Device Comparison Table
ORDER NUMBER
FEATURES
ACTIVE-X
CAPACITOR
DISCHARGE
OVERLOAD
TIMER
ADJUSTABLE
CC LIMIT
FREQUENCY
DITHER
SECONDARY-
SIDE WAKE UP
UCC28630D
Yes
Yes
No
Yes
SD Pin
UCC28631D
No
No
Yes
Yes
SD Pin
UCC28632D
No
No
Yes
No
SD Pin
UCC28633D
Yes
No
Yes
Yes
VSENSE Pin
UCC28634D
No
No
Yes
Yes
SD Pin
6 Pin Configuration and Functions
7-Pin SOIC
Package D
(Top View)
PIN Functions
PIN
I/O
DESCRIPTION
NAME
NO.
CS
3
I
Current sense input
DRV
5
O
Output drive pin for the external flyback MOSFET
GND
4
G
Ground reference connection for all signals
HV
8
P
High-voltage connection to the internal high-voltage start-up current source
SD
2
I
Latching fault shutdown input pin. May be connected to an external temperature sensor
VDD
6
P
Bias supply input pin to the device. Decoupled with a 1-µF ceramic bypass capacitor,
connect directly across pins 6-4. Connect an additional hold-up capacitor charged from the
transformer auxiliary bias winding to this pin.
VSENSE
1
I
Sense pin for the flyback transformer bias and sense winding for output feedback regulation,
output OVP, and input voltage sense/UV protection


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