參數(shù)資料
型號: MAX1902
廠商: Maxim Integrated Products, Inc.
英文描述: 500kHz Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
中文描述: 500kHz、多路輸出、低噪聲、電源控制器,用于筆記本電腦
文件頁數(shù): 14/33頁
文件大?。?/td> 649K
代理商: MAX1902
M
500kHz Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
14
______________________________________________________________________________________
LPF
50kHz
REF
1.75V
2.68V
2.388V
R3
R4
-
+
+
-
4.5V
REF
2.5V
REF
333kHz
TO
500kHz
OSC
5V
PWM
LOGIC
5V
LINEAR
REG
V
L
BST3
DH3
LX3
DL3
3.3V
V
L
ON/OFF
INPUT
7V to 24V
5V ALWAYS ON
CSL5
SHDN
V+
SYNC
12V
LINEAR
REG
12V
13V
BST5
RAW 15V
DH5
LX5
DL5
V
L
PGND
CSH5
CSL5
CSH3
CSL3
FB5
RESET
SEQ
2.6V
1V
0.6V
0.6V
V
L
GND
RUN/ON3
TIME/ON5
REF
5V
12OUT
V
DD
IN
SECFB
3.3V
PWM
LOGIC
REF
OUTPUTS
UP
-
+
-
+
+
-
-
+
-
+
+
-
+
-
LPF
50kHz
TIMER
POWER-ON
SEQUENCE
LOGIC
R1
R2
FB3
-
+
+
-
MAX1902
OV/UV
FAULT
Figure 2. MAX1902 Functional Diagram
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