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IR3622MPBF

HIGH FREQUENCY 2-PHASE, SINGLE OR DUAL OUTPUT SYNCHRONOUS STEP DOWN CONTROLLER WITH OUTPUT TRACKING AND SEQUENCING

International Rectifier 

IR3622MPbF

Electrical Specifications

Parameter

SYM

Test Condition

Error Amplifier 1, 2

Fb Voltage Input

Bias Current

E/A Source/Sink

Current

Transconductance

IFB

SS=3V

I(source/Sink)

gm1,2

Input offset

Voltage

VP Voltage Range

Voffset

VP

Fb to Vref

Note1

Internal Regulator

Output Accuracy

Vout3

Dropout

Vdrop

Vcc(min)=9V, Isource=100mA

Current Limit

Ishort

Soft Start/SD

Soft Start Current

ISS

Source/Sink

Shutdown

SD

Threshold

Over Current Protection

OCSET Current

Hiccup Duty Cycle

IOCSET

Hiccup(duty)

Ihiccup / Iocset, Note1

Over Voltage Protection

OVP Trip Threshold OVP(trip)

OVP Fault Prop

Delay

OVP(delay)

Thermal Shutdown

Output Forced to 1.25Vref

Thermal shutdown

Thermal shutdown

Hysteresis

Power Good

Vsen Lower Trip

point

PGood Output Low

Voltage

Note1

Note1

Vsen(trip) Vsen Ramping Down

PG(voltage) IPGood=2mA

Min

TYP MAX

Units

-0.1

120

200

3000

-4

0

0.4

-0.5

280

4500

+4

Vcc-2

µA

µA

µmho

mV

V

6.7

7.2

7.7

V

2

V

110

mA

18

23

28

µA

0.25

V

16

20

24

µA

5

%

1.1Vref 1.15Vref 1.2Vref

V

5

µs

140

oC

20

oC

0.8Vref

0.9Vref 0.95Vref

V

0.1

0.5

V

Output Drivers

LO, Drive Rise Time Tr(Lo)

CLOAD=3.3nF, Fs=300KHz, 2V to 9V

25

50

ns

LO Drive Fall Time Tf(Lo)

CLOAD =3.3nF, Fs=300KHz, 9V to 2V

25

50

ns

HI Drive Rise Time Tr(Hi)

CLOAD =3.3nF, Fs=300KHz, 2V to 9V

25

50

ns

HI Drive Fall Time Tf(Hi)

CLOAD =3.3nF, Fs=300KHz, 9V to 2V

25

50

ns

Dead Band Time

Tdead

See Figure1

20

60

100

ns

Seq Input

Seq Threshold

Tracking

Track voltage range

Seq

On

Off

TK

Note1

2.0

V

0.3

0

Vcc

V

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