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RT9223CS Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers

Part # RT9223CS
Description  5 BIT PROGRAMMABLE SYNCHRONOUS PWM BUCK CONVERTER CONTROLLER
PDF  8 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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RT9223CS Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers

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RT9223
www.richtek-ic.com.tw
DS9223-07 May 2001
4
Pin Description
Pin No. Pin Name
Pin Function
1
GND
Small signal analog and digital ground
2
VCC
Power supply input
3
OVP
High signal out if VO
> setting point +20%
4
PGOOD
(1)
Open collector logic output; High if VO within 10% of the setting point
5
CSN
Current sense input (Negative)
6
CSP
Current sense input (Positive)
7
PGNDH
High side drive GIND
8
DH
High side driver output
9
NC
No connection
10
PGNDL
Low side drive GND
11
DL
Low side driver output
12
BSTL
Supply for low side driver
13
BSTH
Supply for high side driver
14
SHDN
(1)
Logic low shutdown the converter
15
VSEN
Top end of internal feedback chain
16
VID4
(1)
Programming input (MSB)
17
VID3
(1)
Programming input
18
VID2
(1)
Programming input
19
VID1
(1)
Programming input
20
VID0
(1)
Programming input (LSB)
Note: (1) All logic level inputs and outputs are TTL compatible.



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