ML4823 查看數據表（PDF） - Fairchild Semiconductor
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ML4823 Datasheet 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 (VC, VCC) ........................................... 30V
OUTPUT Current, Source or Sink
DC ....................................................................... 0.5A
Pulse (0.5µs) ......................................................... 2.0A
Analog Inputs
(INV, NI, RAMP, SS, ILIM) .................. GND –0.3V to 6V
CLOCK OUTPUT Current ...................................... –5mA
F/A OUT Current ...................................................... 5mA
SOFT START Sink Current ....................................... 20mA
RT Charging Current ............................................... –5mA
ML4823
Junction Temperature ............................................ 125°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
Plastic Chip Carrier (PLCC) .............................. 78°C/W
OPERATING CONDITIONS
Temperature Range
ML4823C .................................................. 0°C to 70°C
ML4823I ................................................ –40°C to 85°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, RT = 3.65kΩ, CT = 1000pF, TA = Operating Temperature Range, VCC = 15V. (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OSCILLATOR
Initial Accuracy
Voltage Stability
TJ = 25°C,
10V ≤ VCC ≤ 30V,
360
400
440
kHz
0.2
2
%
Temperature Stability
5
%
Total Variation
Line, temp.
340
460
kHz
Clock Out High
3.9
4.5
V
Clock Out Low
2.3
2.9
V
Ramp Peak
2.6
2.8
3.0
V
Ramp Valley
0.7
1.0
1.25
V
Ramp Valley to Peak
1.6
1.8
2.0
V
REFERENCE
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
TJ = 25°C, IO = 1mA
10V ≤ VCC ≤ 30V
1mA ≤ IO ≤ 10mA
–40°C ≤ TJ ≤ 150°C,
5.025
5.10
5.175
V
2
20
mV
5
20
mV
0.2
0.4
%
Total Variation
Line, load, temp.
4.975
5.225
V
Output Noise Voltage
10Hz to 10kHz
50
µV
Long Term Stability
Short Circuit Current
TJ = 125°C, 1000 hrs,
VREF = 0V
5
25
mV
–15
–50
–100
mA
ERROR AMPLIFIER
Input Offset Voltage
±30
mV
Input Bias Current
0.6
3
µA
Input Offset Current
0.1
1
µA
Open Loop Gain
1 ≤ VO ≤ 4V
50
95
dB
REV. 1.0 10/12/2000
3
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