ML4810, ML4811

3

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 (Pins 18, 16) ...................................... 25V

Output Current, Source or Sink (Pins 14, 17)

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

Pulse (0.5

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

Analog Inputs

(Pins INV, NI, SOFT START) ....................... –0.3V to 7V

(Pins 9, 10, 11, 12, 20) .............................. –0.3V to 6V

Clock Output Current (Pins 5) ................................. –5mA

Error Amplifier Output Current (Pin 3) ...................... 5mA

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

°C

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

°C to 150°C

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

°C

Thermal Resistance (

Plastic DIP ....................................................... 65

°C/W

Plastic SOIC .................................................... 65

°C/W

ELECTRICAL CHARACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

OSCILLATOR

Initial Accuracy

360

400

440

kHz

Voltage Stability

0.2

4

%

Temperature Stability

5%

Total Variation

line, temperature

340

460

kHz

Clock Out High

3.9

4.5

V

Clock Out Low

2.3

2.9

V

Ramp Peak

2.8

V

Ramp Valley

1.0

V

Ramp Valley to Peak

1.6

2.3

V

Sync Input Threshold

0.8

1.0

1.4

V

Sync Input Current

SYNC = 4V

µA

REFERENCE

Output Voltage

5.00

5.10

5.20

V

Line Regulation

2

20

mV

Load Regulation

5

20

mV

Temperature Stability

0

0.2

0.4

%

Total Variation

line, load, temperature

4.95

5.25

V

Output Noise Voltage

10Hz to 10kHz

50

µV

Long Term Stability

5

25

mV

Short Circuit Current

–15

–50

–100

mA

UNDERVOLTAGE LOCKOUT

Start Threshold

15

16

17

V

UVLO Hysteresis

6.5

7

7.5

V

ERROR AMPLIFIER

Input Offset Voltage

±20

mV

Input Bias Current

0.6

3

µA

Input Offset Current

0.1

1

µA

Open Loop Gain

60

96

dB

OPERATING CONDITIONS

Temperature Range

ML4810, ML4811 ...................................... 0

°C to 70°C