ADP1828YRQZ-R7 datasheet(5/32 Pages) AD

номер детали	ADP1828YRQZ-R7

подробное описание детали	Synchronous Buck PWM, Step-Down, DC-to-DC Controller

PDF	32 Pages

Scroll/Zoom	100%

производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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5 / 32 page

ADP1828

Rev. 0 | Page 5 of 32

Parameter

Conditions

Min

Typ

Max

Unit

POWER GOOD

FB Overvoltage Threshold

VFB rising

700

750

810

FB Overvoltage Hysteresis

FB Undervoltage Threshold

VFB falling

500

550

585

FB Undervoltage Hysteresis

PGOOD Propagation Delay

μs

PGOOD Off Leakage Current

VPGOOD = 5.5 V

μA

PGOOD Output Low Voltage

IPGOOD = 10 mA

150

500

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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