ML4826 데이터 시트보기 (PDF) - Fairchild Semiconductor

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ML4826

PFC and Dual Output PWM Controller Combo

Fairchild Semiconductor 

ML4826

PRODUCT SPECIFICATION

Electrical Characteristics (continued)

Unless otherwise specified, ICC = 25mA, RRAMP 1 = RT = 52.3kΩ, CRAMP1 = CT = 180 pF,

TA = Operating Temperature Range (Note 1)

Symbol

Parameter

Output High Voltage

Output Low Voltage

Source Current

Sink Current

Open Loop Gain

Power Supply Rejection Ratio

OVP Comparator

Threshold Voltage

Hysteresis

PFC ILIMIT Comparator

Threshold Voltage

∆(PFC ILIMIT - Gain Modulator

Output)

Delay to Output

DC ILIMIT comparator

Threshold Voltage

Input Bias Current

Delay to Output

VIN OK Comparator

Threshold Voltage

Hysteresis

Gain Modulator

Gain (Note 3)

Bandwidth

Output Voltage

Oscillator

Initial Accuracy

Voltage Stability

Temperature Stability

Total Variation

Ramp Valley to Peak Voltage

Dead Time

CT Discharge Current

RAMP 1 Discharge Current

Reference

Output Voltage

Line Regulation

Conditions

∆VIN = ±0.5V, VOUT = 6V

∆VIN = ±0.5V, VOUT = 1.5V

VCCZ – 3V < VCC < VCCZ – 0.5V

IAC = 100µA, VRMS = VFB = 0V

IAC = 50µA, VRMS = 1.2V, VFB = 0V

IAC = 50µA, VRMS = 1.8V, VFB = 0V

IAC = 100µA, VRMS = 3.3V, VFB = 0V

IAC = 100µA

IAC = 250µA, VRMS = 1.15V, VFB = 0V

TA = 25°C

VCCZ – 3V < VCC < VCCZ – 0.5V

Line, Temp

PFC Only

VRAMP 1 = 0V, V(RTCT) = 2.5V

TA = 25°C, I(VREF) = 1mA

VCCZ – 3V < VCC < VCCZ – 0.5V

Min.

6.0

–40

40

60

60

2.6

80

–0.8

100

0.9

2.4

0.8

0.36

1.20

0.55

0.14

0.72

180

170

250

4.5

7.4

Typ.

6.7

0.6

–90

90

75

75

Max. Units

V

1.0 V

µA

µA

dB

dB

2.7 2.8 V

115 150 mV

–1.0 –1.15 V

190

mV

150 300 ns

1.0 1.1 V

±0.3 ±1 µA

150 300 ns

2.5 2.6 V

1.0 1.2 V

0.55 0.66

1.80 2.24

0.80 1.01

0.20 0.26

10

MHz

0.82 0.95 V

190 200 kHz

1

%

2

%

210 kHz

2.5

V

500

ns

7.5 9.5 mA

5

mA

7.5 7.6 V

2 10 mV

4

REV. 1.0.5 2/14/02

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