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UCC2895-W Datasheet(PDF) 7 Page - Texas Instruments

Part No. UCC2895-W
Description  BiCMOS Advanced Phase-Shift PWM Controller
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

UCC2895-W Datasheet(HTML) 7 Page - Texas Instruments

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UCC1895, UCC2895, UCC3895
www.ti.com
SLUS157P – DECEMBER 1999 – REVISED JUNE 2013
TERMINAL FUNCTIONS (continued)
TERMINAL
I/O
DESCRIPTION
NAME
NO.
OUTA
18
O
OUTB
17
O
The four outputs are 100-mA complementary MOS drivers, and are optimized to drive FET driver circuits
such as UCC27424 or gate drive transformers.
OUTC
14
O
OUTD
13
O
PGND
16
-
Output stage ground.
RAMP
3
I
Inverting input of the PWM comparator.
5 V, ±1.2%, 5 mA voltage reference. For best performance, bypass with a 0.1-
μF low ESR, low ESL
REF
4
O
capacitor to ground. Do not use more than 4.7
μF of total capacitance on this pin.
RT
8
I
Oscillator timing resistor for programming the switching frequency.
SS/DISB
19
I
Soft-start and disable pin which combines the two independent functions.
SYNC
6
I/O
The oscillator synchronization pin is bidirectional.
The power supply input pin, VDD, must be bypassed with a minimum of a 1-
μF low ESR, low ESL capacitor
VDD
15
I
to ground. The addition of a 10-
μF low ESR, low ESL between VDD and PGND is recommended.
Copyright © 1999–2013, Texas Instruments Incorporated
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7
Product Folder Links: UCC1895 UCC2895 UCC3895


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