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JANURARY 18, 2013 | DATA SHEET | Rev 3.5

9

IR3898

6A Highly Integrated SupIRBuck

TM

Single-Input Voltage, Synchronous Buck Regulator

PD-97662

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Vsns Rising, Vref < 0.1V

115

120

125

% Vp

OVP Comparator Delay

OVP_Tdly

1

2

3.5

µs

Over-Current Protection

Current Limit

Tj = 25°C, Vcc = 6.4V

7.5

9.0

10.5

A

Hiccup Blanking Time

Tblk_Hiccup

Note 4

20.48

ms

Over-Temperature Protection

Thermal Shutdown Threshold

Ttsd

Note 4

145

°C

Hysteresis

Ttsd_hys

Note 4

20

Note 3: Cold temperature performance is guaranteed via correlation using statistical quality control. Not tested in production.

Note 4: Guaranteed by design but not tested in production.