ML4822IS datasheet(4/10 Pages) MICRO-LINEAR

부품명	ML4822IS

상세설명	ZVS Average Current PFC Controller

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제조업체	MICRO-LINEAR [Micro Linear Corporation]

홈페이지	http://www.microlinear.com

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4 / 10 page

ML4822

4

ELECTRICAL CHARACTERISTICS (Continued)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

ZV SENSE COMPARATOR

Propagation Delay

100mV Overdrive

50

ns

Threshold Voltage

7.35

7.5

7.65

V

Input Capacitance

6pF

GAIN MODULATOR

Gain (Note 2)

IIAC = 100mA, VVRMS = 0V,

VFB = 0V

0.36

0.51

0.66

IIAC = 50mA, VVRMS = 1.2V,

VFB = 0V

1.20

1.72

2.24

IIAC = 100µA, VVRMS = 1.8V,

VFB = 0V

0.55

0.78

1.01

IIAC = 100µA, VVRMS = 3.3V,

VFB = 0V

0.14

0.20

0.26

Bandwidth

IIAC = 250µA

10

MHz

Output Voltage

VFB = 0V, VVRMS = 1.15V,

IIAC = 250µA

0.72

0.8

0.9

V

OSCILLATOR

Initial Accuracy

TA = 25°C

748086

kHz

Voltage Stability

VCCZ – 3V < VCC < VCCZ – 0.5V

1

%

Temperature Stability

2%

Total Variation

Line, temperature

72

88

kHz

Ramp Valley to Peak Voltage

2.5

V

Dead Time

100

300

450

ns

CT Discharge Current

4.5

7.5

9.5

mA

REFERENCE

Output Voltage

TA = 25°C, IREF = 1mA

7.425

7.5

7.575

V

Line Regulation

VCCZ – 3V < VCC < VCCZ – 0.5V

2

10

mV

Load Regulation

1mA < IREF, < 20mA

2

15

mV

Temperature Stability

0.4

%

Total Variation

Line, load, and temperature

7.395

7.605

V

Long Term Stability

Tj = 125°C, 1000 hours

5

25

mV

Short Circuit Current

VCC < VCCZ – 0.5V, VREF = 0V

–15

–40

–100

mA

PFC COMPARATOR

Minimum Duty Cycle

VIEAO > 6.7V

0

%

Maximum Duty Cycle

VIEAO < 1.2V

90

95

%

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