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ADP1853ACPZ-R7 数据表(PDF) 5 Page - Analog Devices

部件名 ADP1853ACPZ-R7
功能描述  Synchronous, Step-Down DC-to-DC Controller
PDF  28 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1853ACPZ-R7 数据表(HTML) 5 Page - Analog Devices

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Data Sheet
ADP1853
Rev. 0 | Page 5 of 28
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
PGOOD
PGOOD Pull-Up Resistor
R
PGOOD
Internal pull-up resistor to VCCO
12.5
kΩ
PGOOD Delay
12
µs
Overvoltage or Undervoltage
Minimum Duration
This is the minimum duration required to trip
the PGOOD signal
10
µs
ILIM Threshold Voltage1
Relative to PGND
−5
0
+5
mV
ILIM Output Current
ILIM = PGND
45
50
55
µA
Current Sense Blanking Period
After DL goes high, current limit is not sensed
during this period
100
ns
INTEGRATED RECTIFIER
(BOOST DIODE) RESISTANCE
At 20 mA forward current
16
Ω
ZERO CURRENT CROSS OFFSET
(SW TO PGND)1
In pulse skip mode only; f
OSC = 300 kHz
0
2
4
mV
1 Guaranteed by design.
2 Connect V
IN to VCCO when VIN < 5.5 V.



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