3

IR2172

ADVANCE INFORMATION

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Symbol

Definition

Min.

Typ. Max. Units Test Conditions

Propagation delay characteristics

fo

Carrier frequency output

—

40

—

kHz

Temperature drift of carrier frequency

—

500

—

ppm/

Dmin

Minimum duty

—

7

—

%

Dmax

Maximum duty

—

93

—

%

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

BW

fo bandwidth

15

kHz

PHS

Phase shift at 1kHz

-10

o

AC Electrical Characteristics

Nominal input voltage range before saturation

-260

—

260

Overcurrent trip positive input voltage

—

260

—

Overcurrent trip negative input voltage

—

-260

—

Input offset voltage

-10

0

10

Input offset voltage temperature drift

—

25

—

G

157

162

167

%/V

max gain error=5%

(Note 2)

Gain temperature drift

—

20

—

ppm/

Offset supply leakage current

—

—

50

µA

—

1

2

—

—

1

LIN

Linearity (duty cycle deviation from ideal linearity

—

0.5

1

%

curve)

Linearity temperature drift

—

.005

—

%/

Digital PWM output sink current

20

—

—

2—

—

OC output sink current

10

—

—

1—

—

DC Electrical Characteristics

figure 1

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

Symbol

Definition

Min.

Typ. Max. Units Test Conditions

Note 1:

±10mV offset represents ±1.5% duty cycle fluctuation

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

sine wave, gain=-3dB

sine wave

mA

mV

mA