參數(shù)資料
型號： MAX1977
廠商： Maxim Integrated Products, Inc.
英文描述： High-Efficiency, Quad Output, Main Power- Supply Controllers for Notebook Computers
中文描述： 高效率、四路輸出、主電源控制器，用于筆記本電腦
文件頁數(shù)： 7/32頁
文件大小： 497K
代理商： MAX1977
M
High-Effic ienc y, Quad Output, Main Power-
S upply Controllers for Notebook Computers
_______________________________________________________________________________________
7
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
0.8
UNITS
Clear fault level/SMPS off level
Delay start level
SMPS on level
V
PRO
or V
TON
= 0 or 5V
V
ON_
= 0 or 5V
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)
1.7
2.4
-1
-1
-2
-1
-2
-0.2
1.2
0.96
ON3, ON5 Input Voltage
V
+1
+1
+2
+1
+2
+0.2
2.0
1.04
4.0
5.0
1.5
Input Leakage Current
μA
SHDN
Input Trip Level
V
DH_ Gate-Driver On-Resistance
DL_ Gate-Driver On-Resistance
OUT3, OUT5 Discharge-Mode
On-Resistance
40
OUT3, OUT5 Discharge-Mode
Synchronous Rectifier
Turn-On Level
0.2
0.4
V
Note 1:
Specifications to -40°C are guaranteed by design, not production tested.
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