Datasheet

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 Voltage
1
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 V
IN
< 5.5 V.