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ADP1828YRQZ-R7 Datasheet(PDF) 5 Page - Analog Devices

Part # ADP1828YRQZ-R7
Description  Synchronous Buck PWM, Step-Down, DC-to-DC Controller
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP1828YRQZ-R7 Datasheet(HTML) 5 Page - Analog Devices

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ADP1828
Rev. 0 | Page 5 of 32
Parameter
Conditions
Min
Typ
Max
Unit
POWER GOOD
FB Overvoltage Threshold
VFB rising
700
750
810
mV
FB Overvoltage Hysteresis
50
mV
FB Undervoltage Threshold
VFB falling
500
550
585
mV
FB Undervoltage Hysteresis
50
mV
PGOOD Propagation Delay
8
μs
PGOOD Off Leakage Current
VPGOOD = 5.5 V
1
μA
PGOOD Output Low Voltage
IPGOOD = 10 mA
150
500
mV
1 Connect IN to VREG when IN < 5.5 V. For applications with IN < 5.5V and IN not connected to VREG, keep in mind that VREG = VIN – dropout. VREG needs to be ≥ 3 V for
proper operation.
2 VRAMP = 1.0 V × fOSC/fSW, where fOSC is the natural oscillator frequency and fSW is the actual switching frequency. If SYNC is not used, then fOSC = fSW. If SYNC is used,
then fSW = fSYNC.
3 With a 5 V drive, the peak source or sink current could be up to 2.5 A and 3.3 A, respectively, when driving external power MOSFETs. The duration of the peak current
pulse is generally in the order of 10 ns.
4 Guaranteed by design and characterization. Not subject to production test.


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