ML4802

5

August 2000

Datasheet

ELECTRICAL CHARACTERISTICS (Continued)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

REFERENCE

Output Voltage

TA = 25ºC, I(VREF) = 1mA

7.4

7.5

7.6

V

Line Regulation

11V < VCC < 16.5V

2

30

mV

Load Regulation

1mA < I(VREF) < 10mA

2

20

mV

Temperature Stability

0.4

%

Total Variation

Line, Load, Temp

7.35

7.65

V

Long Term Stability

TJ = 125ºC, 1000 Hours

5

25

mV

PFC

Minimum Duty Cycle

VIEAO > 4.0V

0

%

Maximum Duty Cycle

VIEAO < 1.2V

85

90

%

Output Low Voltage

IOUT = –20mA

0.4

0.8

V

IOUT = –100mA

0.7

2.0

V

IOUT = –10mA, VCC = 11V

0.8

1.5

V

Output High Voltage

IOUT = 20mA

VCC - 0.8

V

IOUT = 100mA

VCC - 2.0

V

Rise/Fall Time

CL = 1000pF

50

ns

PWM

DC

Duty Cycle Range

0-44

0-47

0-50

%

VOL

Output Low Voltage

IOUT = –20mA

0.4

0.8

V

IOUT = –100mA

0.7

2.0

V

IOUT = –10mA, VCC = 11V

0.8

1.5

V

VOH

Output High Voltage

IOUT = 20mA

VCC - 0. 8

V

IOUT = 100mA

VCC - 2.0

V

Rise/Fall Time

CL = 1000pF

50

ns

SUPPLY

Start-up Current

VCC = 12V, CL = 0

200

350

µA

Operating Current

VCC = 14V, CL = 0

5

7

mA

Undervoltage Lockout Threshold

12

13

14

V

Undervoltage Lockout Hysteresis

2.5

2.8

3.1

V

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

Note 2: Includes all bias currents to other circuits connected to the VFB pin.