PRODUCT SPECIFICATION

ML4800

REV. 1.0.5 9/25/01

5

Notes

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

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

3. Gain = K x 5.3V; K = (IGAINMOD - IOFFSET) x [IAC (VEAO - 0.625)]-1; VEAOMAX=5V.

PFC Dead Time

350

650

ns

CT Discharge Current

VRAMP 2 = 0V, VRAMP 1 = 2.5V

3.5

5.5

7.5

mA

Reference

Output Voltage

TA = 25°C, I(VREF) = 1mA

7.4

7.5

7.6

V

Line Regulation

11V <VCC <16.5V

10

25

mV

Load Regulation

0mA <I(VREF) < 10mA;

TA = 0°C to 70°C

10

20

mV

0mA < I(VREF) < 5mA;

TA = –40°C to 85°C

10

20

mV

Temperature Stability

0.4

%

Total Variation

Line, Load, Temp

7.35

7.65

V

Long Term Stability

TJ = 125°C, 1000 Hours

5

25

mV

PFC

Minimum Duty Cycle

VIEAO > 4.0V

0

%

Maximum Duty Cycle

VIEAO < 1.2V

90

95

%

Output Low Voltage

IOUT = -20mA

0.4

0.8

V

IOUT = -100mA

0.7

2.0

V

IOUT = 10mA, VCC = 9V

0.4

0.8

V

Output High Voltage

IOUT = 20mA

VCC - 0.8V

V

IOUT = 100mA

VCC - 2V

V

Rise/Fall Time

CL = 1000pF

50

ns

PWM

Duty Cycle Range

0-44

0-47

0-49

%

Output Low Voltage

IOUT = -20mA

0.4

0.8

V

IOUT = -100mA

0.7

2.0

V

IOUT = 10mA, VCC = 9V

0.4

0.8

V

Output High Voltage

IOUT = 20mA

VCC - 0.8V

V

IOUT = 100mA

VCC - 2V

V

Rise/Fall Time

CL = 1000pF

50

ns

Supply

Start-up Current

VCC = 12V, CL = 0

200

350

µA

Operating Current

14V, CL = 0

5.5

7

mA

Undervoltage Lockout

Threshold

12.4

13

13.6

V

Undervoltage Lockout

Hysteresis

2.5

2.8

3.1

V

Electrical Characteristics (Continued)

Unless otherwise specified, VCC = 15V, RT = 52.3kΩ, CT = 470pF, TA = Operating Temperature Range (Note 1)

Symbol

Parameter

Conditions

Min.

Typ.

Max. Units