Rev 4.0

7

PD-97528

IR3856MPbF

PARAMETER

SYMBOL

TEST CONDITION

MIN

TYP

MAX

UNIT

FAULT PROTECTION

Fs=250kHz

20.8

23.6

26.4

Fs=500kHz

43

48.8

54.6

OCSET Current

Fs=1500kHz

136

154

172

uA

OC comp Offset Voltage

Note4

-10

0

+10

mV

SS off time

SS_Hiccup

4096

Cycles

OVP Trip Threshold

OVP(trip)

Vsns Rising

110

115

120

%Vref

OVP Fault Prop. Delay

OVP(delay)

Note4

150

ns

Therm al Shutdown

Note4

140

Therm al Hysteresis

Note4

20

°C

Vcc Rising Trip Level

3.95

4.15

4.35

Vcc Falling Trip Level

3.65

3.85

4.05

V

INPUT/OUTPUT SIGNAL

Enable-Start-Threshold

Enable_UVLO_Start

Supply ramping up

1.14

1.2

1.36

Enable-Stop-Threshold

Enable_UVLO_Stop

Supply ramping down

0.9

1.0

1.06

V

Enable leakage current

Ien

Enable=3.3V

15

uA

Power Good Threshold

VPG

Vsns Rising

80

85

90

%Vref

PGood Comparator Delay

PG(Delay)

Vsns Rising

256/Fs

s

PGood Delay Comparator

Threshold

SS(Delay)

Relative to charge voltage,

SS rising

2

2.1

2.3

V

PGood Delay Comparator

Hysteresis

Delay(SShys)

Note4

260

300

340

mV

PGood Leakage Current

I(PGDlk)

0

10

uA

PGood Voltage Low

PG(voltage)

0.5

V

Note3: Cold temperature performance is guaranteed via correlation using statistical quality control. Not tested in production.

Note4: Guaranteed by Design but not tested in production.

Products with prior date code of 1227 are qualified with MSL3 for Consumer market.

Electrical Specifications (continued)

Unless otherwise specified, these specification apply over 4.5V< V

Typical values are specified at T