參數(shù)資料
型號: RT9231A
文件頁數(shù): 2/10頁
文件大?。?/td> 163K
代理商: RT9231A
RT9231A
www.richtek.com
2
DS9231A-02 July 2001
Ordering Information
RT9231A
Typical Application Circuit
Operating temperature range
C: Commercial standard
Package type
S : SOP-28
L1
1
μ
H
L3
3.5
μ
H
C8
1000pF
R2
1.21k
+
SS
FB
VSEN1
PGND
LGATE
PHASE
UGATE
PGOOD
OCSET
VCC
VAUX
DRIVE3
VSEN3
DRIVE4
VSEN4
GND
17
12
6
7
21
22
24
25
26
27
8
23
28
18
19
15
14
POWERGOOD
C1-4
4x1000
μ
F
R12
10
C7
1
μ
F
C5-6
2x1
μ
F
Q4
RFD3055
C19
1000
μ
F
C20
270
μ
F
V
OUT3
1.5V
V
OUT4
1.8V
GND
5V
12V
C21
0.1
μ
F
R7
732K
C17
0.68
μ
F
Q1
PHB83N03LT
Q2
PHB95N03LT
R4
4.99K
C10-16
7x1000
μ
F
R13
10K
V
OUT1
1.3 to 3.5V
RT9231A
F1
15A
VID0
VID1
VID2
VID3
VID4
5
4
3
HUF76137S3S
Q3
16
1DRIVE2
VSEN2
10
11SELECT
+
+
TYEDET
5V
3.3V
C9
1000
μ
F
C22
1
μ
F
V
OUT2
(3.3V or 1.5V)
+
+
+
C18
1000
μ
F
SD
FIX
9
2
RFD3055
Q5
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