IR1150IPBF datasheet(4/16 Pages) IRF

4 / 16 page

IR1150(S)/IR1150I(S)(PbF)

www.irf.com

Internal Voltage Reference Section

Parameters

Symbols

Min.

Typ.

Max.

Units

Remarks

Reference voltage

VREF

6.9

7.0

7.1

TA = 25˚C

Line regulation

RREG

—

13.5V <VCC < 20V

Temp stability

TSTAB

—

0.4

—

-25˚C ≤TAMB≤ 125˚C

Total variation

∆VTOT

6.8

—

7.1

Over VCC and Tj ranges

Voltage Error Amplifier Section

Parameters

Symbols

Min.

Typ.

Max.

Units

Remarks

Transconductance

µS

-25˚C ≤TAMB≤ 125˚C

Source/sink current

IOVEA

µA

TAMB = 25˚C

-25˚C ≤TAMB≤ 125˚C

Soft start delay time

(calculated)

tss

—

RGAIN=1kΩ , CZERO=0.33µF

CPOLE=0.01µF, fXO=28Hz

—

1.2

1.5

VCOMP voltage (fault)

VCOMP FLT

0.2

@ 1mA (max) initial

@ 25µA steady state

Effective VCOMP voltage

VCOMP EFF

6.05

Input bias current

IIB

—

-0.2

-0.5

µA

VFB=0V

-25˚C ≤ TAMB≤ 125˚C

Open loop bandwidth

—

MHz

Input offset voltage temp

coefficient

TCIOV

—

µV/˚C

Note 1

Common mode rejection ratio

CMRR

—

100

—

Output low voltage

VOL

—

0.5

Output high voltage

VOH

5.71

6.15

6.8

VCOMP start voltage

VCOMP START

300

500

700

Current Amplifier Section

Parameters

Symbols

Min.

Typ.

Max.

Units

Remarks

DC gain

gDC

—

2.5

—

V/V

Corner frequency

200

—

280

kHz

Note 1

Input offset voltage

VIO

—

Note 1

ISNS bias current

ΙIB

—

200

300

µA

VFB=0V,-25˚C ≤ TAMB≤ 125˚C

Input offset voltage temp

coefficient

TCIOV

—

µV/˚C

Note 1

Common mode rejection ratio

CMRR

—

100

—

230

350

450

Blanking time

TBLANK

150

600

TAMB = 25˚C

-25˚C ≤TAMB≤ 125˚C

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