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ML4800 Datasheet(PDF) 3 Page - Fairchild Semiconductor

No. de pieza ML4800
Descripción Electrónicos  Power Factor Correction and PWM Controller Combo
Download  14 Pages
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Fabricante Electrónico  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

ML4800 Datasheet(HTML) 3 Page - Fairchild Semiconductor

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ML4800
REV. 1.0.2 3/7/2001
3
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VCC = 15V, 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
5
V
Transconductance
VNON INV = VINV, VEAO = 3.75V
30
65
90
µ
Feedback Reference Voltage
2.43
2.5
2.57
V
Input Bias Current
Note 2
-0.5
-1.0
µA
Output High Voltage
6.0
6.7
V
Output Low Voltage
0.1
0.4
V
Source Current
VIN = ±0.5V, VOUT = 6V
-40
-140
µA
Sink Current
VIN = ±0.5V, VOUT = 1.5V
40
140
µA
Open Loop Gain
50
60
dB
Power Supply Rejection Ratio
11V < VCC < 16.5V
50
60
dB
CURRENT ERROR AMPLIFIER
Input Voltage Range
-1.5
2
V
Transconductance
VNON INV = VINV, VEAO = 3.75V
50
100
150
µ
Input Offset Voltage
0
4
15
mV
Input Bias Current
-0.5
-1.0
µA
Output High Voltage
6.0
6.7
V
Output Low Voltage
0.65
1.0
V
Source Current
VIN = ±0.5V, VOUT = 6V
-40
-104
µA
Sink Current
VIN = ±0.5V, VOUT = 1.5V
40
160
µA
Open Loop Gain
60
70
dB
Power Supply Rejection Ratio
11V < VCC < 16.5V
60
75
dB
OVP COMPARATOR
Threshold Voltage
2.65
2.75
2.85
V
Hysteresis
175
250
325
mV
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 .............................................................................................. 18V
ISENSE Voltage ................................................. -5V to 0.7V
Voltage on Any Other Pin ...... GND - 0.3V to VCCZ + 0.3V
IREF ........................................................................................... 10mA
IAC Input Current .................................................... 10mA
Peak PFC OUT Current, Source or Sink ....................... 1A
Peak PWM OUT Current, Source or Sink .................... 1A
PFC OUT, PWM OUT Energy Per Cycle ................... 1.5
µJ
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
ML4800CX .................................................... 0
°C to 70°C
ML4800IX .................................................. -40
°C to 85°C


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