ML4771 Просмотр технического описания (PDF) - Micro Linear Corporation
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ML4771 Datasheet PDF : 8 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.
VOUT ........................................................................... 7V
Voltage on any other pin ..... GND – 0.3V to VOUT + 0.3V
Peak Switch Current (IPEAK) .......................................... 2A
Average Switch Current (IAVG) ..................................... 1A
Junction Temperature .............................................. 150ºC
Storage Temperature Range...................... –65ºC to 150ºC
Lead Temperature (Soldering 10 sec) ....................... 260ºC
Thermal Resistance (qJA) .................................... 160ºC/W
ML4771
OPERATING CONDITIONS
Temperature Range
ML4771CS ................................................. 0ºC to 70ºC
ML4771ES ............................................. –20ºC to 70ºC
VIN Operating Range
ML4771CS .................................... 1.8V to VOUT – 0.2V
ML4771ES .................................... 2.0V to VOUT – 0.2V
VOUT Operating Range ................................. 3.0V to 5.5V
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VIN = Operating Voltage Range, TA = Operating Temperature Range (Note 1).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
SUPPLY
IIN
VIN Current
VIN = VOUT – 0.2V
2
IOUT(Q) VOUT Quiescent Current
25
IL(Q) VL Quiescent Current
PFM REGULATOR
VSENSE
VOUT
IL Peak Current
SENSE Comparator Threshold Voltage
Output Voltage
Load Regulation
See Figure 1, IOUT = 0
See Figure 1,
VIN = 2.4V, IOUT = 220mA
1.2
2.52
4.95
4.85
1.4
2.57
5.05
4.95
MAX
5
35
1
1.7
2.62
5.15
5.15
UNITS
µA
µA
µA
A
V
V
V
Note 1: Limits are guaranteed by 100% testing, sampling or correlation with worst case test conditions.
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