参数资料
型号: MAX8982MEWO+T
厂商: Maxim Integrated Products
文件页数: 35/73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: 10
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
Active Discharge
All regulators include an internal resistor for discharging
the output when the regulator is shut down. In the default
state (except BUCK2), this resistor is not connected so
the output decay depends only on the applied load. To
enable this discharge resistor, set the appropriate bit in
the BUCK1-4ADIS, LDO1-8ADIS, or LDO9ADIS register.
The active discharge resistor values are specified in the
General Electrical Characteristics table.
SHUTDOWN
ALL REGULATORS
V IN1_ < 3.5V (MAX8982A)
OR V IN1_ < 2.4V (MAX8982P/MAX8982X)
OR V IN1_ > 5.75V
OR EN = LOW
DISABLED
I 2 C HIGH IMPEDANCE
REF DISABLED
32kHz DISABLED
FROM
ANY STATE
NOTE: ENABLE OF BUCKS AND
LDOS AND CONTROL OF
BUCKS AND LDOS
BY PWR_REQ
POWER-UP
V IN1_ > 3.8V (TYP) (MAX8982A)
V IN1_ > 2.7V (TYP) (MAX8982P/MAX8982X)
AND EN = HIGH
CAN BE MODIFIED
AFTER STARTUP THROUGH I 2 C.
BUCK1 ENABLED
BUCK3 ENABLED (MAX8982A/MAX8982P)
BUCK2 ENABLED
LDO3 ENABLED
LDO8 ENABLED (MAX8982A/MAX8982P)
LDO9 ENABLED
RESET = HIGH
V REFBP = 0.8V
I 2 C ENABLED
32kHz CLOCK ENABLED
PWR_REQ = HIGH
PWR_REQ
= HIGH
LDO1 ENABLED
LDO2 ENABLED
LDO4 ENABLED
LDO6 ENABLED
RESET = HIGH
V REFBP = 0.8V
I 2 C ENABLE
32kHz CLOCK ENABLED
PWR_REQ
= LOW
BUCK1 DISABLED
LDO1 DISABLED
LDO2 DISABLED
LDO4 DISABLED
LDO6 DISABLED
RESET = HIGH
V REFBP = 0.8V
I 2 C ENABLED
32kHz CLOCK ENABLED
Figure 3. Power-On/Off State Diagram with IN3 Connected to BUCK2 Output and IN4 Connected to IN1_. Default PWR_REQ
Regulators Are Shown.
Maxim Integrated
35
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