ML4428
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 (pin 14) ............................................. 14V
Output Current (pins 2, 3, 4, 9,10,11) ................... ±50mA
Logic Inputs (pins 12, 25) ................................ –0.3 to 7V
Junction Temperature ............................................ 150°C
Storage Temperature Range ..................... –65°C to 150°C
Lead Temperature (Soldering 10 sec.) .................... 260°C
Thermal Resistance (q
JA
)
Plastic DIP ....................................................... 52°C/W
Plastic SOIC ..................................................... 75°C/W
OPERATING CONDITIONS
Temperature Range
Commercial ............................................... 0°C to 70°C
Industrial ................................................ –40°C to 85°C
V
CC
Voltage ..................................................... 12V
±10%
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, T
A
= 0°C to 70°C, V
CC
= 12V, R
SNS
= 0.3�½, C
VCO
= 82nF, C
IOS
= 100pF,
R
REF
= 120k�½, C
SNS
= 5.6nF, R
VCO
= 10k, R
INIT
= 2Meg (Notes 1, 2, and 3)
SYMBOL
Oscillator (VCO)
Frequency vs. V
PIN 20
Maximum Frequency
RC
VCO
= 2V
RC
VCO
= 6V
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
Sampling Amplifier
I
RCVCO
(Note 4)
State A, V
PH2
= VCC/3
State A, V
PH2
= VCC/2
State A, V
PH2
= 2VCC/3
Current Limit
I
SNS
Trip Point
One Shot Off Time
Power Fail Detection
Power Fail Trip Voltage
Hysteresis
Logic Inputs
V
IH
V
IL
I
IH
I
IL
V
OH
V
OL
Voltage High
Voltage Low
Current High
Current Low
V
IN
= 2.7V
V
IN
= 0.4V
I
OUT
= –0.1mA
I
OUT
= 1mA
–300
–400
2
0.8
0
0
V
V
µA
µA
8.0
300
500
9.0
700
V
mV
0.45
10
0.5
13
0.55
15
µs
80
–25
–150
116
0
–116
150
25
–80
µA
µA
µA
550
520
1850
1650
600
600
2150
2150
750
750
2350
2350
Hz/V
Hz/V
Hz
Hz
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Logic Outputs
Voltage High
Voltage Low
3.3
0.4
V
V
4
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
