ERJ-3EKF20R0V datasheet(10/53 Pages) IRF

Part #	ERJ-3EKF20R0V

Description	Single-Input Voltage, Synchronous Buck Regulator

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Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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10 / 53 page

IR3846

10 www.irf.com

August 01, 2013

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Tracker Comparator

Upper Threshold

VPG(tracker_upper)

Vp Rising, Vref < 0.1V

0.4

V

Tracker Comparator

Lower Threshold

VPG(tracker_lower)

Vp Falling, Vref < 0.1V

0.3

V

Tracker Comparator

Delay

Tdelay(tracker)

Vp Rising, Vref < 0.1V

1.28

ms

Over Voltage Protection (OVP)

OVP Trip Threshold

OVP (trip)

Vsns Rising,

0.45V < Vref < 1.2V

115

120

125

% Vref

Vsns Rising,

Vref < 0.1V

115

120

125

% Vp

OVP Fault Prop Delay

OVP (delay)

Vsns rising

1.5

2.5

3.5

µs

Over-Current Protection

OC Trip Current

ITRIP

OCSet=VCC, VCC =

6.8V, TJ = 25°C

41

44.4

48

A

OCSet=floating, VCC

= 6.8V, TJ = 25°C

32

35

38

A

OCSet=PGnd, VCC

=6.8V, TJ = 25°C

24

26.88

30

A

Hiccup blanking time

Tblk_Hiccup

Note 4

20.48

ms

Thermal Shutdown

Note 4

145

°C

Hysteresis

Note 4

20

°C

Notes:

4. Guaranteed by design but not tested in production.

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