ML4831 datasheet(3/14 Pages) MICRO-LINEAR

Part #	ML4831

Description	Electronic Ballast Controller

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Manufacturer	MICRO-LINEAR [Micro Linear Corporation]

Direct Link	http://www.microlinear.com

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ML4831

3

ELECTRICAL CHARACTERISTICS

Unless otherwise specified, R(SET) = 31.6k

Ω, R(T) = 16.2kΩ, C(T) = 1.5nF, TJ = Junction Operating Temperature Range,

ICC = 25mA

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

PFC Current Sense Amplifier (Pins 2, 4)

Small Signal Transconductance

130

200

270

µmhos

Input Voltage Range

–0.3

3.5

V

Output Low

ISINE = 0mA, VPIN1 = 0V,

VPIN4 = –0.3V, RL = ∞

0.2

0.4

V

Output High

ISINE = 1.5mA, VPIN18/4 = 0V, RL = ∞

5.2

5.6

6

V

Source Current

ISINE = 1.5mA, VPIN18/4 = 0V, VPIN2 = 5V

–0.3

mA

Sink Current

ISINE = 0mA, VPIN2 = 0.3V,

VPIN4 = –0.3V, VPIN1 = 0V

0.3

mA

PFC Voltage Feedback Amplifier (Pins 1, 18)/Lamp Current Amplifier (Pins 5, 6)

Input Offset Voltage

±3.0

±10.0

mV

Input Bias Current

–0.3

–1.0

µA

Small Signal Transconductance

50

80

110

µmhos

Input Voltage Range

–0.3

3.5

V

Output Low

VPIN5/18 = 3V, RL = ∞

0.2

0.4

V

Output High

VPIN5/18 = 2V, RL = ∞

7.2

7.5

V

Source Current

VPIN5/18 = 0V, VPIN1/6 = 7V

–0.2

mA

Sink Current

VPIN5/18 = 5V, VPIN1/6 = 0.3V

0.2

mA

Gain Modulator

Output Voltage

ISINE = 100µA, VPIN1 = 3V

40

mV

ISINE = 300µA, VPIN1 = 3V

130

mV

ISINE =100µA, VPIN1 = 6V

112

mV

ISINE = 300µA, VPIN1 = 6V

350

mV

Output Voltage Limit

ISINE = 1.5mA, VPIN18 = 0V

865

mV

Offset Voltage

ISINE = 0, VPIN18 = 0V

15

mV

ISINE = 150µA, VPIN18 = 3V

15

mV

I(SINE) Input Voltage

ISINE = 200µA

0.8

1.4

1.8

V

ABSOLUTE MAXIMUM RATINGS

Absolute maximum ratings are those values beyond which

the device could be permanently damaged. Absolute

maximum ratings are stress ratings only and functional

device operation is not implied.

Supply Current (ICC) ............................................... 75mA

Output Current, Source or Sink (Pins 13, 14, 15)

DC ................................................................... 250mA

Output Energy (capacitive load per cycle) .............. 1.5 mJ

Gain Modulator I(SINE) Input (Pin 3) ..................... 10 mA

Analog Inputs (Pins 5, 9, 18) ............... –0.3V to VCC –2V

Pin 4 input voltage ........................................... –3V to 2V

Maximum Forced Voltage (Pins 1, 6) .......... –0.3V to 7.7V

Maximum Forced Current (Pins 1, 2, 6) ................

±20mA

Maximum Forced Voltage (Pin 2) .................. –0.3V to 6V

Junction Temperature ............................................. 150

°C

Storage Temperature Range ..................... –65

°C to 150°C

Lead Temperature (Soldering 10 Sec.) ..................... 260

°C

Thermal Resistance (

θJA)

Plastic DIP–P ................................................... 70

°C/W

OPERATING CONDITIONS

Temperature Range

ML4831C .................................................. 0

°C to 85°C

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