ML4804CS 查看數據表（PDF） - Fairchild Semiconductor
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ML4804CS Datasheet PDF : 14 Pages
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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 ................... 1.5µJ
ML4804
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
ML4804CX .................................................... 0°C to 70°C
ML4804IX .................................................. -40°C to 85°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VCC = 15V, RT = 52.3kΩ, CT = 470pF, 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
30
65
90
Feedback Reference Voltage
2.43
2.5
2.57
Input Bias Current
Note 2
-0.5
-1.0
Output High Voltage
6.0
6.7
Output Low Voltage
0.1
0.4
Source Current
Sink Current
VIN = 2.5V ± 0.5V, VOUT = 6V
VIN = 2.5V ± 0.5V , VOUT = 1.5V
-40
-140
40
140
Open Loop Gain
50
60
Power Supply Rejection Ratio
11V < VCC < 16.5V
50
60
CURRENT ERROR AMPLIFIER
Input Voltage Range
-1.5
2
Transconductance
Input Offset Voltage
VNON INV = VINV, VEAO = 3.75V
50
100
150
0
4
15
Input Bias Current
-0.5
-1.0
Output High Voltage
6.0
6.7
Output Low Voltage
0.65
1.0
Source Current
Sink Current
Open Loop Gain
VIN = ±0.5V, VOUT = 6V
VIN = ±0.5V, VOUT = 1.5V
-40
-104
40
160
60
70
Power Supply Rejection Ratio
OVP COMPARATOR
11V < VCC < 16.5V
60
75
Threshold Voltage
2.65
2.75
2.85
Hysteresis
180
280
350
UNITS
V
µ
V
µA
V
V
µA
µA
dB
dB
V
µ
mV
µA
V
V
µA
µA
dB
dB
V
mV
REV. 1.0.2 3/9/2001
3
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