ML4821 查看數據表（PDF） - Fairchild Semiconductor

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ML4821

Power Factor Controller

Fairchild Semiconductor 

PRODUCT SPECIFICATION

ML4821

Electrical Characteristics (continued)

Unless otherwise specified, RT = 6.2kΩ, CT = 720pF, TA = Operating Temperature Range, VCC = 15V (Notes 1 & 2).

Parameter

Output

Output Voltage Low

Output Voltage High

Output Voltage Low in UVLO

Output Rise/Fall Time

Undervoltage Lockout

Start-up Threshold

Shut-Down Threshold

VREF Good Threshold

Supply

Supply Current

Internal Shunt Zener Voltage

Conditions

IOUT = 20mA

IOUT = 200mA

IOUT = –20mA

IOUT = –200mA

IOUT = –5mA, VCC = 8V

CL = 1000pF

Min.

13

12

14.5

8.5

Start-up, VCC = 14V, TA = 25°C

Operating, TA = 25°C

ICC = 35mA

25

Typ.

0.1

1.6

13.5

13.4

0.1

50

4.4

0.6

26

27

Max. Units

0.4

V

2.4

V

V

V

0.8

V

ns

16.5

V

11.0

V

V

1.2

mA

32

mA

35

V

Notes:

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

2. VCC is raised above the start-up threshold first to activate the IC, then returned to 15V

3. Gain Modulator gain is defined as: I--I-I-NO----EU---A-T---OI--A--U--+-T--

REV. 1.0.2 6/19/01

5

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