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ML4801IS Fiches technique(PDF) 3 Page - Micro Linear Corporation

No de pièce ML4801IS
Description  Variable Feedforward PFC/PWM Controller Combo
Download  14 Pages
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Fabricant  MICRO-LINEAR [Micro Linear Corporation]
Site Internet  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4801IS Fiches technique(HTML) 3 Page - Micro Linear Corporation

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ML4801
3
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VCC = 15V, RT = 29.4kΩ, RRAMP1 = 15.4kΩ, CT = 270pF, CRAMP1 = 620pF,
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
40
65
80
µ
Feedback Reference Voltage
2.43
2.50
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
-70
-150
µA
Sink Current
∆VIN = ±0.5V, VOUT = 1.5V
40
70
150
µA
Open Loop Gain
60
70
dB
PSRR
11V < VCC < 16.5V
60
70
dB
CURRENT ERROR AMPLIFIER
Input Voltage Range
-1.5
2
V
Transconductance
VNON INV = VINV, VEAO = 3.75V
60
100
120
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
0.65
1.0
V
Source Current
∆VIN = ±0.5V, VOUT = 6V
-40
-70
-150
µA
Sink Current
∆VIN = ±0.5V, VOUT = 1.5V
40
70
150
µA
Open Loop Gain
55
65
dB
PSRR
11V < VCC < 16.5V
60
75
dB
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 .................................................. -3V to 5V
Voltage on Any Other Pin ...... GND - 0.3V to VCC + 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
ML4801CX ................................................. 0°C to 70°C
ML4801IX ............................................... -40°C to 85°C


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