ML4823

4

REV. 1.0 10/12/2000

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

ERROR AMPLIFIER (Continued)

CMRR

1.5

50

80

dB

PSRR

10

70

100

dB

Output Sink Current

1

2.5

mA

Output Source Current

–0.5

–1.3

mA

Output High Voltage

4.0

4.7

5.0

V

Output Low Voltage

0

0.5

1.0

V

Unity Gain Bandwidth

3

5.5

MHz

Slew Rate

6

12

V/µs

PWM COMPARATOR

RAMP Bias Current

–1

–5

µA

Duty Cycle Range

0

80

%

E/A OUT Zero DC Threshold

1.1

1.25

V

Delay to Output

50

80

ns

SOFT START

Charge Current

3

9

20

µA

Discharge Current

1

mA

CURRENT LIMIT/SHUTDOWN

0V

±10

µA

Current Limit Offset

0

15

mV

1.0

1.25

V

Shutdown Threshold

1.25

1.40

1.55

V

Delay to Output

50

80

ns

OUTPUT

Output Low Level

0.25

0.40

V

1.2

2.2

V

Output High Level

12.8

13.5

V

12.0

13.0

V

Collector Leakage

100

500

µA

Rise/Fall Time

30

60

ns

UNDER VOLTAGE LOCKOUT

Start Threshold

8.8

9.2

9.7

V

UVLO Hysteresis

0.4

0.8

1.2

V

SUPPLY

Start Up Current

1.1

2.5

mA

22

33

mA

NI = 1V

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