ML4812
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.
Junction Temperature ............................................. 150°C
Storage Temperature Range ..................... –65°C to 150°C
Lead Temperature (soldering 10 sec.)..................... 260°C
Thermal Resistance (θ )
JA
20-Pin PLCC .................................................... 60°C/W
Supply Current (I ) ............................................... 30mA
16-Pin PDIP ..................................................... 65°C/W
CC
Output Current Source or Sink (OUT) DC ................ 1.0A
Output Energy (capacitive load per cycle) .................. 5µJ
OPERATING CONDITIONS
Gain Modulator I
Input (I ) ......................... 1.2mA
SINE
SINE
Error Amp Sink Current (EA OUT) .......................... 10mA
Oscillator Charge Current ........................................ 2mA
Temperature Range
ML4812CX ............................................... 0°C to 70°C
ML4812IX ............................................. –40°C to 85°C
Analog Inputs (I , EA–, OVP) .............. –0.3V to 5.5V
SENSE
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V = 15V , R = 14kΩ, C = 1000pF, T = Operating Temperature Range (Notes 1, 2).
CC
T
T
A
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OSCILLATOR
Initial Accuracy
TJ = 25°C
91
98
0.3
2
105
kHz
%
Voltage Stability
12V < VCC < 18V
Temperature Stability
Total Variation
%
Line, temperature
90
108
kHz
V
Ramp Valley to Peak
RT Voltage
3.3
5.0
8.4
8.4
0.2
3.5
4.8
7.8
7.3
5.2
9.0
9.3
0.5
V
Discharge Current (RT open)
TJ = 25°C, VCT= 2V
VCT = 2V
mA
mA
V
Clock Out Voltage Low
Clock Out Voltage High
REFERENCE
RL = 16kΩ
RL = 16kΩ
3.0
V
Output Voltage
TJ = 25°C, IO = 1mA
12V < VCC < 25V
1mA < IO < 20mA
4.95
5.00
2
5.05
20
V
Line Regulation
mV
mV
%
Load Regulation
2
20
Temperature Stability
Total Variation
0.4
Line, load, temp.
10Hz to 10kHz
TJ = 125°C, 1000 hours
VREF = 0V
4.9
5.1
V
Output Noise Voltage
Long Term Stability
Short Circuit Current
ERROR AMPLIFIER
Input Offset Voltage
Input Bias Current
Open Loop Gain
50
5
µV
mV
mA
25
–30
–85
–180
±15
mV
µA
dB
–0.1
75
–1.0
1 < VEA OUT < 5V
12V < VCC < 25V
60
60
PSRR
75
dB
Output Sink Current
Output Source Current
Output High Voltage
Output Low Voltage
Unity Gain Bandwidth
VEA OUT = 1.1V, VEA– = 6.2V
VEA OUT = 5.0V, VEA– = 4.8V
IEA OUT = –0.5mA, VEA– = 4.8V
IEA OUT = 1mA, VEA– = 6.2V
2
12
mA
mA
V
–0.5
5.3
–1.0
5.5
0.5
1.0
1.0
V
MHz
3
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
