参数资料
型号: MAX8982EWO+T
厂商: Maxim Integrated Products
文件页数: 69/73页
文件大小: 0K
描述: IC PWR MGMT ICERA E400 42WLP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
应用: 电源,ICERA E400,E450
输入电压: 4.1 V ~ 5.5 V
输出数: 13
输出电压: 可编程
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 42-WFBGA,WLCSP
供应商设备封装: 42-WLP
包装: 带卷 (TR)
MAX8982A/MAX8982P/MAX8982X
Power-Management ICs for
ICERA E400 Platform
Applications Information
Inductor Selection
The step-down converters operate with inductors of 1 F H
to 4.7 F H. Low inductance values are physically smaller,
but require faster switching, which results in some effi-
ciency loss. The inductor’s DC current rating only needs
to match the maximum load current of the application
plus 100mA because the step-down converters feature
zero current overshoot during startup and load transients.
Table 60. Recommended Inductors
For optimum voltage positioning load transients, choose
an inductor with DC series resistance in the 30m W
to 100m W range. For higher efficiency at heavy load
(above 200mA) or minimal load regulation (but some
transient overshoot), the resistance should be kept
below 100m W . For light load applications up to 200mA,
a higher resistance is acceptable with very little impact
on performance.
Recommended inductors are listed in Table 60.
MANUFACTURER
SERIES
INDUCTANCE
( F H)
DC RESISTANCE
( I typ)
CURRENT
RATING (mA)
D T = +40 N C RISE
DIMENSIONS
L x W x H (mm)
1.0
0.06
1550
MDT2520-CR
1.5
2.2
3.3
1.5
0.08
0.09
0.10
0.06
1400
1350
1300
2000
2.5 x 2.0 x 1.0
TOKO
DE2810C
Flat Wire
2.2
3.3
4.7
0.085
0.130
0.180
1600
1300
1100
3.0 x 2.8 x 1.0
1.5
0.050
2600
DE2812C
Flat Wire
DEM3518C
DEM2818C*
KSLI-252010AG
2.0
3.3
4.7
2.2
2.2
1
2.2
3.3
4.7
1
0.067
0.100
0.130
0.040
0.039
0.050
0.100
0.100
0.115
0.090
2300
1700
1500
2550
2200
2600
1800
1800
1700
1900
3.0 x 2.8 x 1.2
3.9 x 3.7 x 1.8
3.0 x 3.0 x 1.8
2.5 x 2.0 x 1.0
Hitachi-Metals
KSLI-201610AG
2.2
3.3
0.140
0.180
1500
1300
2.0 x 1.6 x 1.0
4.7
1
0.200
0.120
1300
1500
KSLI-201210AG
KSLI-252012AG-2R2**
2.2
3.3
4.7
2.2
0.190
0.230
0.270
0.1
1300
1200
1100
1900
2.0 x 1.2 x 1.0
2.5 x 2.0 x 1.2
Maxim Integrated
69
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