ML4810 Просмотр технического описания (PDF) - Micro Linear Corporation
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ML4810 Datasheet PDF : 12 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 (Pins 18, 16) ...................................... 25V
Output Current, Source or Sink (Pins 14, 17)
DC ....................................................................... 0.5A
Pulse (0.5µs) ......................................................... 2.0A
Analog Inputs
(Pins INV, NI, SOFT START) ....................... –0.3V to 7V
(Pins 9, 10, 11, 12, 20) .............................. –0.3V to 6V
ML4810, ML4811
Clock Output Current (Pins 5) ................................. –5mA
Error Amplifier Output Current (Pin 3) ...................... 5mA
Junction Temperature ............................................. 150°C
Storage Temperature Range ..................... –65°C to 150°C
Lead Temperature (Soldering 10 sec.) ..................... 260°C
Thermal Resistance (θJA)
Plastic DIP ....................................................... 65°C/W
Plastic SOIC .................................................... 65°C/W
OPERATING CONDITIONS
Temperature Range
ML4810, ML4811 ...................................... 0°C to 70°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VCC = 15V, RT = 3.65kΩ, CT = 1000pF, TA = Operating Temperature Range. (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OSCILLATOR
Initial Accuracy
Voltage Stability
Temperature Stability
TJ = 25°C
10V < VCC < 25V
360
400
440
kHz
0.2
4
%
5
%
Total Variation
line, temperature
340
460
kHz
Clock Out High
3.9
4.5
V
Clock Out Low
2.3
2.9
V
Ramp Peak
2.8
V
Ramp Valley
1.0
V
Ramp Valley to Peak
1.6
2.3
V
Sync Input Threshold
0.8
1.0
1.4
V
Sync Input Current
SYNC = 4V
µA
REFERENCE
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Variation
TJ = 25°C, IO = 1mA
10V < VCC < 25V
1mA < IO < 10mA
0°C < TJ < 150°C
line, load, temperature
5.00
5.10
5.20
V
2
20
mV
5
20
mV
0.2
0.4
%
4.95
5.25
V
Output Noise Voltage
10Hz to 10kHz
50
µV
Long Term Stability
Short Circuit Current
UNDERVOLTAGE LOCKOUT
Start Threshold
TJ = 125°C, 1000 hrs
VREF = 0V
5
25
mV
–15
–50
–100
mA
15
16
17
V
UVLO Hysteresis
6.5
7
7.5
V
ERROR AMPLIFIER
Input Offset Voltage
Input Bias Current
Input Offset Current
Open Loop Gain
1 < VO < 4V
±20
mV
0.6
3
µA
0.1
1
µA
60
96
dB
3
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