ml4823 Fairchild Semiconductor, ml4823 Datasheet - Page 3
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ml4823
Manufacturer Part Number
ml4823
Description
High Frequency Power Supply Controller
Manufacturer
Fairchild Semiconductor
Datasheet
1.ML4823.pdf
(9 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.
Supply Voltage (V
OUTPUT Current, Source or Sink
Analog Inputs
CLOCK OUTPUT Current ...................................... –5mA
F/A OUT Current ...................................................... 5mA
SOFT START Sink Current ....................................... 20mA
R
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, R
OSCILLATOR
REFERENCE
ERROR AMPLIFIER
REV. 1.0 10/12/2000
T
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
Clock Out High
Clock Out Low
Ramp Peak
Ramp Valley
Ramp Valley to Peak
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Variation
Output Noise Voltage
Long Term Stability
Short Circuit Current
Input Offset Voltage
Input Bias Current
Input Offset Current
Open Loop Gain
DC ....................................................................... 0.5A
Pulse (0.5µs) ......................................................... 2.0A
(INV, NI, RAMP, SS, I
Charging Current ............................................... –5mA
PARAMETER
C
, V
CC
LIM
) ........................................... 30V
) .................. GND –0.3V to 6V
T
= 3.65k , C
T
10V
Line, temp.
T
10V
1mA
–40°C
Line, load, temp.
10Hz to 10kHz
T
V
1
T
J
J
J
REF
= 1000pF, T
= 25°C, I
= 25°C,
= 125°C, 1000 hrs,
V
= 0V
O
V
V
I
O
CC
CC
T
4V
J
CONDITIONS
O
10mA
30V,
= 1mA
30V
150°C,
A
= Operating Temperature Range, V
Junction Temperature ............................................ 125°C
Storage Temperature Range ..................... –65°C to 150°C
Lead Temperature (Soldering 10 sec.) .................... 260°C
Thermal Resistance (
OPERATING CONDITIONS
Temperature Range
Plastic DIP ....................................................... 80°C/W
Plastic SOIC................................................... 105°C/W
Plastic Chip Carrier (PLCC) .............................. 78°C/W
ML4823C .................................................. 0°C to 70°C
ML4823I ................................................ –40°C to 85°C
5.025
4.975
MIN
360
340
–15
3.9
2.6
0.7
1.6
50
JA
)
5.10
TYP
400
–50
0.2
4.5
2.3
2.8
1.0
1.8
0.2
0.6
0.1
CC
50
95
5
2
5
5
= 15V. (Note 1)
5.175
5.225
MAX
–100
1.25
440
460
±30
2.9
3.0
2.0
0.4
20
20
25
2
3
1
ML4823
UNITS
kHz
kHz
mV
mV
mV
mA
mV
µV
µA
µA
dB
%
%
%
V
V
V
V
V
V
V
3