ML4812CP datasheet(4/16 Pages) FAIRCHILD

Teilenummer	ML4812CP

Bauteilbeschribung	Power Factor Controller

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Hersteller	FAIRCHILD [Fairchild Semiconductor]

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ML4812

4

REV. 1.0 10/10/2000

ELECTRICAL CHARACTERISTICS (Continued)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

GAIN MODULATOR

ISINE Input Voltage

ISINE = 500µA

0.4

0.7

0.9

V

Output Current (GM OUT)

ISINE = 500µA, EA– = VREF –20mV

430

470

510

µA

ISINE = 500µA, EA– = VREF + 20mV

3

10

µA

ISINE = 1mA, EA– = VREF – 20mV

860

940

1020

µA

ISINE = 500µA, EA– = VREF – 20mV,

455

µA

IRAMP COMP = 50µA

Bandwidth

200

kHz

PSRR

12V < VCC < 25V

70

dB

OVP COMPARATOR

Input Offset Voltage

Output Off

–25

+5

mV

Hysteresis

Output On

95

105

115

mV

Input Bias Current

–0.3

–3

µA

Propagation Delay

150

ns

PWM COMPARATOR: ISENSE

Input Offset Voltage

±15

mV

Input Offset Current

±1

µA

Input Common Mode Range

–0.2

5.5

V

Input Bias Current

–2

–10

µA

Propagation Delay

150

ns

ILIMIT Trip Point

VGM OUT = 5.5V

4.8

5

5.2

V

OUTPUT

Output Voltage Low

IOUT = –20mA

0.1

0.4

V

IOUT = –200mA

1.6

2.2

V

Output Voltage High

IOUT = 20mA

13

13.5

V

IOUT = 200mA

12

13.4

V

Output Voltage Low in UVLO

IOUT = –5mA, VCC = 8V

0.1

0.8

V

Output Rise/Fall Time

CL = 1000pF

50

ns

Shutdown

VIH

2.0

V

VIL

0.8

V

IIL, VSHDN = 0V

–1.5

mA

IIH, VSHDN = 5V

10

µA

UNDER-VOLTAGE LOCKOUT

Startup Threshold

15

16

17

V

Shutdown Threshold

9

10

11

V

VREF Good Threshold

4.4

V

SUPPLY

Supply Current

Start-Up, VCC = 14V, TJ = 25°C

0.8

1.2

mA

Operating, TJ = 25°C20

25

mA

Internal Shunt Zener Voltage

ICC = 30mA

25

30

34

V

Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.

Note 2: VCC is raised above the Startup Threshold first to activate the IC, then returned to 15V.

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