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RT9221CS データシート(PDF) 4 Page - List of Unclassifed Manufacturers

部品番号 RT9221CS
部品情報  PROGRAMMABLE SYNCHRONOUS PWM BUCK CONVERTER WITH 1.5V / 2.5V DUAL LOW DROPOUT LINEAR REGULATOR CONTROLLER
PDF  8 Pages
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メーカー  ETC [List of Unclassifed Manufacturers]
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RT9221CS データシート(HTML) 4 Page - List of Unclassifed Manufacturers

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RT9221
www.richtek-ic.com.tw
DS9222-05 May 2001
4
Pin Description
Pin No. Pin Name
Pin Function
1
GND
Small signal analog and digital ground
2
GATE1
LDO1 gate drive output
3
LDOS1
LDO1 sense input
4
LDOS2
LDO2 sense input
5
VCC
Input voltage
6OVP
High signal out if V0
> setting point + 20%
7
PGOOD
(1)
Open collector logic output; High if V0 within 10% of the setting point
8
CSN
Current sense input (Negative)
9
CSP
Current sense input (Positive)
10
PGNDH
High side drive GND
11
DH
High side drive output
12
PGNDL
Low side drive GND
13
DL
Low side drive output
14
BSTL
Supply for low side driver
15
BSTH
Supply for high side driver
16
SHDN
(1)
Logic low shutdown the converter
17
VSEN
Top end of internal feedback chain
18
VID4
(1)
Programming input (MSB)
19
VID3
(1)
Programming input
20
VID2
(1)
Programming input
21
VID1
(1)
Programming input
22
VID0
(1)
Programming input (LSB)
23
LDOV
+12V for LDO section
24
GATE2
LDO2 gate drive output
Note: (1) All logic level inputs and outputs are TTL compatible.



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