ML4802 Datasheet, PDF (3/15 Pages) Fairchild Semiconductor – PFC/PWM Controller Combo with Green Mode

ML4802
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
PeakCurrent, Source or Sink
PFC OUT, PWM OUT ........................................ 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
ML4802CX ................................................ 0°C to 70°C
ML4802IX .............................................. –40°C to 85°C
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
VOLTAGE ERROR AMPLIFIER
Input Voltage Range
0
5
Transconductance
VNON INV = VINV, VEAO = 3.75V 20
35
50
Feedback Reference Voltage
2.4
2.5
2.6
Input Bias Current
Note 2
-0.5
-1.0
Output High Voltage
6.0
6.7
Output Low Voltage
0.2
0.5
Source Current
∆VIN = ±0.5V, VOUT = 6V
–1
–2.5
–4
Sink Current
∆VIN = ±0.5V, VOUT = 1.5V
–1
–2.5
–4
Open Loop Gain
50
60
PSRR
11V < VCC < 16.5V
50
60
CURRENT ERROR AMPLIFIER
Input Voltage Range
-1.5
2
Transconductance
VNON INV = VINV, VEAO = 3.75V 50
100
150
Input Offset Voltage
–5
3
10
Input Bias Current
-0.5
-1.0
Output High Voltage
6.0
6.7
Output Low Voltage
0.65
1.0
Source Current
∆VIN = ±0.5V, VOUT = 6V
-40
-70
-150
Sink Current
∆VIN = ±0.5V, VOUT = 1.5V
40
70
150
Open Loop Gain
60
75
PSRR
11V < VCC < 16.5V
60
75
UNITS
V
µ
V
µA
V
V
µA
µA
dB
dB
V
µ
mV
µA
V
V
µA
µA
dB
dB
REV. 1.0.1 12/12/2000
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