ML4876
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.
Voltage on Any Other Pin ............... –0.3V to VDD +0.3V
Junction Temperature..............................................150°C
Storage Temperature Range ..................... –65°C to 150°C
Lead Temperature (Soldering 10 sec.) ..................... 260°C
Thermal Resistance (q ) Plastic SSOP ............... 100°C/W
JA
Supply Current (I ) ............................................... 75mA
CC
OPERATING CONDITIONS
Output Current, Source or Sink ............................. 250mA
Voltage on HVDD ..................................................... 20V
Current into L RTD ............................................... ±10mA
Transient Voltage on B ON .......................................... 9V
Temperature Range
ML4876C................................................... 0°C to 70°C
ML4876E ............................................... –20°C to 70°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VDD = 5V ±5%, C = 47pF, T = Operating Temperature Range (Note 1)
T
A
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CURRENTREGULATOR
Error Amplifier
Open Loop Gain
60
0.18
2.8
70
0.2
3.0
0.4
1
dB
V
Bias Point
Closed loop
ILOAD = 5µA
ILOAD = 25µA
0.22
0.7
Output High
Output Low
V
V
Bandwidth (–3dB)
Input Voltage Range
Input Bias Current
MHz
V
–0.3
450
0.2
50
VREF
100
nA
Current Limit Comparator
Current Threshold
Input Bias Current
Propagation Delay
500
50
550
100
mV
nA
ns
VLILIM = 0.1V
(Note 2)
30
Output Drivers
Output High - B SYNC OUT, B OFF
Output Low - B SYNC OUT, B OFF
Rise & Fall time - B SYNC OUT, B OFF
Output High - B ON
VDD = 5V, ILOAD = 12mA
ILOAD = 12mA
4.625
4.625
4.8
0.2
20
V
V
0.375
50
CLOAD = 100pF
ns
V
VDD = 5V, ILOAD = 12mA
ILOAD = 50mA
4.8
0.2
45
Output Low - B ON
0.375
80
V
Fall Time - B ON
CLOAD = 2400pF (Note 2)
ns
ns
ns
ONE SHOT Pulse Width
DELAY TIMER Delay Time
100
20
150
35
200
55
FLYBACKREGULATOR
Error Amplifier
Open Loop Gain
60
–15
2.8
70
dB
mV
V
Offset Voltage
Output High
Output Low
15
ILOAD = 5µA
3.0
0.4
ILOAD = 25µA
0.7
V
3
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
