rt9238 ETC-unknow, rt9238 Datasheet - Page 2

• Manufacturer Part Number: rt9238
• Description: Vrm 8.5 Pwm And Triple Linear Power System Controller
• Manufacturer: ETC-unknow

RT9238
Ordering Information
RT9238
Typical Application Circuit
www.richtek-ic.com.tw
2
VTTPG
V
VAUX
V
V
1.8V
1.2V
MCH
VTT
AGP
OUT2
1.5V
OUT3
OUT4
12V
5V
PHD3055E
+ C5
+
Operating temperature range
C: Commercial standard
Package type
S : SOP-28
C9
560µF
1000µF
Q4
+
C11
560µF
2SD1802
C8
1µF
PHD3055E
Q5
R6
1K
C10
1µF
Q3
FIX
C6
1µF
+
C15
10µF
18
19
15
16
14
11
9
Fig.1 VRM 8.5 Power Solution
2
1
R1
10
DRIVE2
VTTPG
VAUX
DRIVE4
VSEN4
FIX
VSEN2
DRIVE3
VSEN3
C14
1µF
RT9238
FAULT/VID4
Preliminary
VCC
GND
OCSET1
UGATE1
PHASE1
LGATE1
17
PGOOD
28
ICOMP
PGND
VDAC
VID25
1µH
SS13
L1
VID0
SS24
VID1
VID2
VID3
FB1
23
8
27
26
24
22
21
10
12
13
15V
25
20
6
7
5
4
3
Z1
+
1000pF
C12
0.1µF
C1
2000µF
R6
1K
R2
1K
VID25
VID0
C2
VID1
VID2
VID3
FAULT
Q1
PHB83N03LT
Q2
PHB95N03LT
C13
0.1µF
L2; 1.8µH
C16
10nF
+
10K
R3
C3
8000µF
* C17 near the FB1 pin
as close as possible
PGOOD
DS9238-01 July 2001
VCORE
C17
1µF
C4
1µF
VRM8.5
V
OUT1