IR2172 查看數據表（PDF） - International Rectifier

零件编号

产品描述 (功能)

比赛名单

IR2172

LINEAR CURRENT SENSING IC

International Rectifier 

IR2171/IR2172

DC Electrical Characteristics

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

Symbol

Definition

Min. Typ. Max. Units Test Conditions

VIN

VOC+

VOC-

VOS

∆VOS/∆TA

G

∆G/∆TA

ILK

IQBS

IQCC

LIN

Nominal input voltage range before saturation

|VIN+ _ VIN-|

Overcurrent trip positive input voltage

Overcurrent trip negative input voltage

Input offset voltage

Input offset voltage temperature drift

Gain (duty cycle % per VIN)

Gain temperature drift

Offset supply leakage current

Quiescent VBS supply current

Quiescent VCC supply current

Linearity (duty cycle deviation from ideal linearity

-260 — 260

— 260 — mV

— -260 —

-10

0

10

VIN = 0V (Note 1)

—

25

— µV/oC

157 162 167 %/V max gain error=5%

—

20

— ppm/oC

(Note 2)

—

—

50 µA

VB = VS = 600V

—

1

2

mA

—

— 0.5

VS = 0V

— 0.5 1

%

curve)

∆VLIN/∆TA

IOPO

Linearity temperature drift

Digital PWM output sink current

— .005

20 —

2

—

IOCC

OC output sink current (IR2172)

10

—

1

—

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

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

— %/oC

—

—

mA

—

—

VO = 1V

VO = 0.1V

VO = 1V

VO = 0.1V

AC Electrical Characteristics

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

Symbol

Definition

Propagation delay characteristics

fo

Carrier frequency output

∆f/∆TA

Dmin

Temperature drift of carrier frequency

Minimum duty

Dmax Maximum duty

BW

fo bandwidth

PHS

Phase shift at 1kHz

Min. Typ. Max. Units Test Conditions

35

41 47 kHz

figure 1

— 500 — ppm/oC VIN = 0 & 5V

—

7

—

% VIN+=-260mV,VIN-=0V

—

93 —

% VIN+=+260mV,VIN-=0V

15

kHz VIN+ = 100mVpk -pk

sine wave, gain=-3dB

-10

o VIN+ =100mVpk-pk

sine wave

tdoc

twoc

Propagation delay time of OC (IR2172)

Low true pulse width of OC (IR2172)

1

1.5 — µsec

—

1

—

www.irf.com

3

Share Link: