IR2175 데이터 시트보기 (PDF) - International Rectifier

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IR2175

LINEAR CURRENT SENSING IC

International Rectifier 

IR2175(S)

DC Electrical Characteristics

VCC = VBS = 15V, and TA = 25o unless otherwise specified.

Symbol

Definition

Min. Typ. Max. Units Test Conditions

VIN

Nominal input voltage range before saturation

-260 — 260

VIN+ _ VS

VOC+

Overcurrent trip positive input voltage

— 260 — mV

VOC-

Overcurrent trip negative input voltage

— -260 —

VOS

∆VOS/∆TA

Input offset voltage

Input offset voltage temperature drift

-10

0

10

VIN = 0V (Note 1)

—

25

— µV/oC

G

Gain (duty cycle % per VIN)

155 160 165 %/V max gain error=5%

(Note 2)

∆G/∆TA

Gain temperature drift

—

20

— ppm/oC

ILK

Offset supply leakage current

—

—

50 µA

VB = VS = 600V

IQBS

IQCC

Quiescent VBS supply current

Quiescent VCC supply current

—

2

—

mA

—

— 0.5

VS = 0V

LIN

Linearity (duty cycle deviation from ideal linearity — 0.5 1

%

∆VLIN/∆TA

IOPO

curve)

Linearity temperature drift

Digital PWM output sink current

IOCC

OC output sink current

— .005 — %/oC

20

—

—

2

——

mA

10

—

—

1

——

VO = 1V

VO = 0.1V

VO = 1V

VO = 0.1V

Note 1: ±10mV offset represents ±1.5% duty cycle fluctuation

Note 2: Gain = (full range of duty cycle in %) / (full input voltage range).

AC Electrical Characteristics

VCC = VBS = 15V, and TA = 25o unless otherwise specified.

Symbol

Definition

Propagation delay characteristics

fo

∆f/∆TA

Dmin

Dmax

BW

Carrier frequency output

Temperature drift of carrier frequency

Minimum duty

Maximum duty

fo bandwidth

PHS

Phase shift at 1kHz

tdoc

twoc

Propagation delay time of OC

Low true pulse width of OC

www.irf.com

Min. Typ. Max. Units Test Conditions

100 140 180 kHz

figure 1

—

500 — ppm/oC

VIN = 0 & 5V

—

9

—

%

VIN+=-260mV,

—

91 —

%

VIN+=+260mV

—

15

—

kHz VIN+ = 100mVpk -pk

sine wave, gain=-3dB

— -10 —

o VIN+ =100mVpk-pk

sine wave

1

2

—

µsec

— 1.5 —

3

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