参数资料
型号: MAX8831EWE+T
厂商: Maxim Integrated
文件页数: 14/28页
文件大小: 0K
描述: IC LED DRIVR WHITE BCKLGT 16-WLP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
拓扑: 线性(LDO),PWM,升压(升压)
输出数: 5
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 1.8MHz ~ 2.2MHz
电源电压: 1.6 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 16-UFBGA,WLCSP
供应商设备封装: 16-WLP(2x2)
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: MAX8831EWE+TDKR
High-Efficiency, White LED Step-Up Converter
with I 2 C Interface in 2mm x 2mm WLP
SHUTDOWN
V DD INVALID.
V DD INVALID FROM
ANY CONDITION
INTERNAL
REFERENCE, BIAS,
AND OSCILLATOR
ARE OFF; I 2 C
REGISTER IS IN
RESET.
V DD VALID
STANDBY
I 2 C READY.
INTERNAL
I 2 C LED_ ENABLE
COMMAND RECEIVED
REFERENCE, BIAS,
AND OSCILLATOR
ARE OFF.
ALL CURRENT
REGULATORS
DISABLED
ALL CURRENT
REGULATORS
DISABLED USING I 2 C
ENABLE BIT
CLEARED FOR
FAULTED LED_
STRING AND STAT1
REGISTER IS
UPDATED WITH
FAULT CONDITION.
LED SHORT OR
OPEN FAULT
ONE OR MORE
ON
BOOST CONVERTER
AND LEDs ARE ON,
INTERNAL
REFERENCE, BIAS,
AND OSCILLATOR
ARE ON.
V IN < V UVLO
UVLO CHECK
I 2 C READY.
INTERNAL
REFERENCE, BIAS
AND OSCILLATOR
ARE OFF.
CURRENT
REGULATORS ENABLED
V IN > V UVLO
SCHOTTKY DIODE
ENABLE BIT
CLEARED FOR ALL
LED_, AND STAT2
REGISTER IS
UPDATED WITH
FAULT CONDITION.
TSD OR OVP FAULT
DETECTED
SCHOTTKY DIODE NOT DETECTED
OPEN SCHOTTKY
DIODE DETECTION
INTERNAL
REFERENCE, BIAS,
AND OSCILLATOR
ARE ON.
Figure 4. State Diagram of Global Faults
14
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