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.
Lead Temperature (Soldering, 10 sec) .....................260°C
Thermal Resistance (qja)
Plastic DIP ....................................................... 80°C/W
Plastic SOIC ................................................... 105°C/W
OPERATING CONDITIONS
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
Temperature Range
ML4802CX.................................................0°C to 70°C
ML4802IX .............................................. –40°C to 85°C
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
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VCC = 15V, RT = 29.4kW, RRAMP1 = 15.4kW, 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
µ
Transconductance
VNON INV = VINV, VEAO = 3.75V
Note 2
20
2.4
35
2.5
-0.5
6.7
0.2
–2.5
–2.5
60
50
Feedback Reference Voltage
2.6
-1.0
V
Input Bias Current
Output High Voltage
Output Low Voltage
Source Current
µA
V
6.0
0.5
–4
–4
V
DVIN = ±0.5V, VOUT = 6V
DVIN = ±0.5V, VOUT = 1.5V
–1
–1
50
50
µA
µA
dB
dB
Sink Current
Open Loop Gain
PSRR
11V < VCC < 16.5V
60
CURRENT ERROR AMPLIFIER
Input Voltage Range
Transconductance
Input Offset Voltage
Input Bias Current
Output High Voltage
Output Low Voltage
Source Current
-1.5
50
2
V
µ
VNON INV = VINV, VEAO = 3.75V
100
3
150
10
–5
mV
µA
V
-0.5
6.7
0.65
-70
70
-1.0
6.0
1.0
-150
150
V
DVIN = ±0.5V, VOUT = 6V
DVIN = ±0.5V, VOUT = 1.5V
-40
40
60
60
µA
µA
dB
dB
Sink Current
Open Loop Gain
PSRR
75
11V < VCC < 16.5V
75
August 2000
Datasheet
3
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
