ML4825 datasheet(3/9 Pages) MICRO-LINEAR

3 / 9 page

ML4825

ELECTRICAL CHARACTERISTICS

Unless otherwise specified, RT = 3.65kΩ, CT = 1000pF, TA = Operating Temperature Range, VCC = 15V (Note 1).

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

OSCILLATOR

Initial Accuracy

TJ = 25°C

360

400

440

kHz

Voltage Stability

10V < VCC < 30V, TA = 25°C

–2

0.2

Temperature Stability

Total Variation

Line, temperature

340

460

kHz

Clock Out High

3.9

4.5

Clock Out Low

2.3

2.9

Ramp Peak

2.6

2.8

3.0

Ramp Valley

0.7

1.0

1.25

Ramp Valley to Peak

1.6

1.8

2.0

REFERENCE

Output Voltage

TJ = 25°C, IO = 1mA

C suffix

5.00

5.10

5.20

I suffix

5.00

5.10

5.20

Line Regulation

10V < VCC < 30V

–20

Load Regulation

1mA < IO < 10mA

–20

Temperature Stability

–55

°C < TJ < 150°C

0.2

0.4

Total Variation

Line, load, temperature

C suffix

4.95

5.25

I suffix

4.95

5.25

Output Noise Voltage

10Hz to 10kHz

µV

Long Term Stability

TJ = 125°C, 1000 hours

Short Circuit Current

VREF = 0V

–15

–50

–100

ERROR AMPLIFIER

Input Offset Voltage

C suffix

–15

I suffix

–15

Input Bias Current

0.6

µA

Input Offset Current

0.1

µA

Open Loop Gain

1 < VO < 4V

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 Voltage (VC, VCC) ........................................... 30V

Output Current, Source or Sink (OUT A, OUT B)

DC ....................................................................... 0.5A

Pulse (0.5

µs) ......................................................... 2.0A

Analog Inputs

(INV, NI, RAMP)................................ GND –0.3V to 7V

(SS, ILIM) ........................................... GND –0.3V to 6V

CLOCK Output Current ........................................... –5mA

E/A OUT Output Current .......................................... 5mA

Soft Start Sink Current ............................................ 20mA

RT Charging Current ................................................–5mA

Junction Temperature

ML4825IX, ML4825CX ....................................... 150

°C

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

°C to 150°C

Lead Temperature (soldering 10 sec.) ..................... 260

°C

Thermal Resistance (

θJA)

Plastic DIP or SOIC ......................................... 65

°C/W

Plastic Chip Carrier (PCC) ................................ 60

°C/W

OPERATING CONDITIONS

Temperature Range

ML4825CX ................................................ 0

°C to 70°C

ML4825IX .............................................. –40

°C to 85°C

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