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ML4824 数据表(PDF) 3 Page - Fairchild Semiconductor

部件名 ML4824
功能描述  Power Factor Correction and PWM Controller Combo
Download  16 Pages
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

ML4824 数据表(HTML) 3 Page - Fairchild Semiconductor

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ML4824
REV. 1.01 12/7/2000
3
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond which
the device could be permanently damaged. Absolute
maximum ratings are stress ratings only and functional
device operation is not implied.
VCC Shunt Regulator Current .................................. 55mA
ISENSE Voltage ..................................................–3V to 5V
Voltage on Any Other Pin ... GND – 0.3V to VCCZ + 0.3V
IREF ............................................................................................ 20mA
IAC Input Current .................................................... 10mA
Peak PFC OUT Current, Source or Sink ................ 500mA
Peak PWM OUT Current, Source or Sink .............. 500mA
PFC OUT, PWM OUT Energy Per Cycle .................. 1.5µJ
Junction Temperature .............................................. 150°C
Storage Temperature Range ..................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) ..................... 260°C
Thermal Resistance (
θJA)
Plastic DIP ....................................................... 80°C/W
Plastic SOIC ................................................... 105°C/W
OPERATING CONDITIONS
Temperature Range
ML4824CX ................................................. 0°C to 70°C
ML4824IX .............................................. –40°C to 85°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, ICC = 25mA, RT = 52.3kΩ, CT = 470pF, TA = Operating Temperature Range (Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOLTAGE ERROR AMPLIFIER
Input Voltage Range
0
7
V
Transconductance
VNON INV = VINV, VEAO = 3.75V
50
85
120
µ
Feedback Reference Voltage
2.46
2.53
2.60
V
Input Bias Current
Note 2
-0.3
–1.0
µA
Output High Voltage
6.0
6.7
V
Output Low Voltage
0.6
1.0
V
Source Current
∆VIN = ±0.5V, VOUT = 6V
–40
–80
µA
Sink Current
∆VIN = ±0.5V, VOUT = 1.5V
40
80
µA
Open Loop Gain
60
75
dB
Power Supply Rejection Ratio
VCCZ - 3V < VCC < VCCZ - 0.5V
60
75
dB
CURRENT ERROR AMPLIFIER
Input Voltage Range
–1.5
2
V
Transconductance
VNON INV = VINV, VEAO = 3.75V
130
195
310
µ
Input Offset Voltage
0
8
15
mV
Input Bias Current
–0.5
–1.0
µA
Output High Voltage
6.0
6.7
V
Output Low Voltage
0.6
1.0
V
Source Current
∆VIN = ±0.5V, VOUT = 6V
–40
–90
µA
Sink Current
∆VIN = ±0.5V, VOUT = 1.5V
40
90
µA
Open Loop Gain
60
75
dB
Power Supply Rejection Ratio
VCCZ - 3V < VCC < VCCZ - 0.5V
60
75
dB


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