参数资料
型号: MAX1977EEI+
厂商: Maxim Integrated Products
文件页数: 7/32页
文件大小: 0K
描述: IC CNTRLR PS QUAD HI EFF 28QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
应用: 控制器,笔记本电脑电源系统
输入电压: 4.5 V ~ 24 V
输出数: 4
输出电压: 3.3V,5V,2 V ~ 5.5 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-QSOP
供应商设备封装: 28-QSOP
包装: 管件
High-Efficiency, Quad Output, Main Power-
Supply Controllers for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1 and Figure 2, no load on LDO5, LDO3, OUT3, OUT5, and REF, V+ = 12.0.V, ON3 = ON5 = V CC , V SHDN = 5V,
T A = -40°C to +85°C , unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Clear fault level/SMPS off level
0.8
ON3, ON5 Input Voltage
Delay start level
1.7
2.3
V
SMPS on level
2.4
V PRO or V TON = 0 or 5V
V ON_ = 0 or 5V
-1
-1
+1
+1
Input Leakage Current
SHDN Input Trip Level
DH_ Gate-Driver On-Resistance
DL_ Gate-Driver On-Resistance
OUT3, OUT5 Discharge-Mode
On-Resistance
V SKIP = 0 or 5V
V SHDN = 0 or 24V
V CS_ = 0 or 5V
V ILIM3 , V ILIM5 = 0 or 2V
Rising edge
Falling edge
BST - LX_ forced to 5V
DL_, high state (pullup)
DL_, low state (pulldown)
-2
-1
-2
-0.2
1.2
0.96
+2
+1
+2
+0.2
2.0
1.04
4.0
5.0
1.5
40
μA
V
?
?
?
OUT3, OUT5 Discharge-Mode
Synchronous Rectifier
0.2
0.4
V
Turn-On Level
Note 1: Specifications to -40°C are guaranteed by design, not production tested.
_______________________________________________________________________________________
7
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