Datasheet > CM6824IS

CM6824IS

更新时间： 2022-11-24 21:41:49

品牌	Logo	应用领域
其他 - ETC		功率因数校正控制器
页数	文件大小	规格书
18页	342K
描述
LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO

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CM6824IS 数据手册

CM6824

L^OWS^TART-U^PC^URRENTPFC/PWM C^ONTROLLERC^OMBO

ELECTRICAL CHARACTERISTICS ^(Conti.)Unless otherwise stated, these specifications apply

Vcc=+15V, R_T= 52.3kΩ, C_T= 470pF, T_A=Operating Temperature Range (Note 1)

CM6824

Symbol

Parameter

Test Conditions

Unit

Min.

Typ.

-65

Max.

-35

Sink Current

I_SENSE= +0.5V, IEAO = 4.0V

I_SENSE= -0.5V, IEAO = 1.5V

µA

Source Current

Open Loop Gain

Power Supply Rejection Ratio

11V < V_CC< 16.5V

PFC OVP Comparator

Threshold Voltage

Hysteresis

2.70

230

2.77

0.5

2.85

290

Low Power Detect Comparator

VCC OVP Comparator

Threshold Voltage

0.4

0.6

Threshold Voltage

Hysteresis

1.40

19.4

1.5

1.65

PFC I_LIMITComparator

Threshold Voltage

(PFC I_LIMITV_TH– Gain Modulator

Output)

-1.10

-1.00

200

-0.90

Delay to Output (Note 4)

Overdrive Voltage = -100mV

250

DC I_LIMITComparator

Threshold Voltage

0.95

1.0

1.05

Delay to Output (Note 4)

Overdrive Voltage = 100mV

250

V_INOK Comparator

Threshold Voltage

Hysteresis

2.35

0.8

2.45

1.0

2.55

1.2

GAIN Modulator

I_AC= 100µA, V_RMS= V_FB= 0V

I_AC= 100µA, V_RMS= 1.1V, V_FB= 0V

I_AC= 150µA, V_RMS= 1.8V, V_FB= 0V

I_AC= 300µA, V_RMS= 3.3V, V_FB= 0V

I_AC= 100µA

0.36

1.20

0.55

0.14

0.55

1.80

0.80

0.20

0.66

2.24

1.01

0.26

Gain (Note 3)

Bandwidth

Output Voltage =

3.5K*(I_SENSE-I_OFFSET

MHz

I_AC= 250µA, V_RMS= 1.1V, V_FB= 0V

0.70

0.80

0.90

75.5

)

Oscillator

T_A= 25℃

Initial Accuracy

Voltage Stability

Temperature Stability

Total Variation

Ramp Valley to Peak Voltage

PFC Dead Time (Note 4)

CT Discharge Current

kHz

11V < V_CC< 16.5V

Line, Temp

2.5

500

6.5

700

10.5

V_RAMP2= 0V, V_RAMP1= 2.5V

^2002/09/20Preliminary ^{Rev. 1.1}

Champion Microelectronic Corporation

Page 5

1 2 3 456 7 8...18

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