参数资料
型号: MAX1902EAI+
厂商: Maxim Integrated Products
文件页数: 29/33页
文件大小: 0K
描述: IC CNTRLR PWR SPLY LN 28-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 46
应用: 控制器,笔记本电脑电源系统
输入电压: 4.2 V ~ 30 V
输出数: 4
输出电压: 2.5 V ~ 5 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
500kHz Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
INPUT
6V TO 24V
ON/OFF
*
*
5V ALWAYS ON
C3
10 ?
0.1 μ F
4.7 μ F
V+ SHDN SECFB V L
4.7 μ F
BST5
BST3
0.1 μ F
0.1 μ F
Q1
DH5
DH3
Q3
5V OUTPUT
R1
L1
0.1 μ F
0.1 μ F
LX5
LX3
L2
R2
3.3V OUTPUT
*
C1
Q2
DL5
MAX1901
MAX1904
DL3
Q4
C2
*
1N5819
PGND
1N5819
OPEN
CSH5
CSL5
FB5
CSH3
CSL3
FB3
OPEN
0 ?
ON/OFF
TIME/ON5
RESET
RESET OUTPUT
0 ?
SKIP
ON/OFF
RUN/ON3
GND
STEER
*V L DIODES AND OUTPUT SCHOTTKY DIODES REQUIRED
FOR THE MAX1901 ONLY (SEE THE OUTPUT OVERVOLTAGE PROTECTION
AND OUTPUT UNDERVOLTAGE SHUTDOWN PROTECTION SECTIONS).
Figure 11. Dual 6A Notebook Computer Power Supply
1 μ F
REF
SYNC
SEQ
______________________________________________________________________________________
29
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