ML4876CR View Datasheet(PDF) - Micro Linear Corporation
Part Name
Description
Manufacturer
ML4876CR Datasheet PDF : 9 Pages
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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.
Supply Current (ICC) ............................................... 75mA
Output Current, Source or Sink ............................. 250mA
Voltage on HVDD ..................................................... 20V
Current into L RTD ............................................... ±10mA
Transient Voltage on B ON .......................................... 9V
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 (qJA) Plastic SSOP ............... 100°C/W
OPERATING CONDITIONS
Temperature Range
ML4876C ................................................... 0°C to 70°C
ML4876E ............................................... –20°C to 70°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VDD = 5V ±5%, CT = 47pF, TA = Operating Temperature Range (Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
CURRENT REGULATOR
Error Amplifier
Open Loop Gain
60
70
Bias Point
Closed loop
0.18
0.2
Output High
Output Low
Bandwidth (–3dB)
ILOAD = 5µA
ILOAD = 25µA
2.8
3.0
0.4
1
Input Voltage Range
–0.3
0.2
Input Bias Current
50
Current Limit Comparator
Current Threshold
450
500
Input Bias Current
VLILIM = 0.1V
50
Propagation Delay
(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
CLOAD = 100pF
VDD = 5V, ILOAD = 12mA
4.625
4.8
0.2
20
4.625
4.8
Output Low - B ON
Fall Time - B ON
ONE SHOT Pulse Width
ILOAD = 50mA
CLOAD = 2400pF (Note 2)
0.2
45
100
150
DELAY TIMER Delay Time
20
35
FLYBACK REGULATOR
Error Amplifier
Open Loop Gain
60
70
Offset Voltage
–15
Output High
Output Low
ILOAD = 5µA
ILOAD = 25µA
2.8
3.0
0.4
MAX UNITS
0.22
0.7
VREF
100
dB
V
V
V
MHz
V
nA
550
mV
100
nA
ns
V
0.375
V
50
ns
V
0.375
V
80
ns
200
ns
55
ns
dB
15
mV
V
0.7
V
3
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