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ADP8860ACBZ-R7 数据表(PDF) 15 Page - Analog Devices

部件名 ADP8860ACBZ-R7
功能描述  Charge Pump, 7-Channel Smart LED Driver with I2C Interface
PDF  52 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP8860ACBZ-R7 数据表(HTML) 15 Page - Analog Devices

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ADP8860
Rev. 0 | Page 15 of 52
VIN
nSTBY
nRST
VOUT
VIN
SHUTDOWN
VIN CROSSES ~2.05V AND TRIGGERS POWER ON RESET
BIT nSTBY IN REGISTER
MDCR GOES HIGH
nRST MUST BE HIGH FOR 20µs (MAX)
BEFORE SENDING I2C COMMANDS
nRST IS LOW, WHICH FORCES nSTBY LOW
AND RESETS ALL I2C REGISTERS
GAIN CHANGES ONLY OCCUR WHEN NECESSARY,
~100µs DELAY BETWEEN POWER UP AND
WHEN I2C COMMANDS CAN BE RECEIVED
~3.75mA CHARGES
VOUT TO VIN LEVEL
25µs TO 100µs NOISE FILTER
BUT HAVE A MIN TIME BEFORE CHANGING
1×
1.5×
2×
SOFT START
SOFT START
10µs 100µs
Figure 28. Typical Timing Diagram



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