ML4771
ABSOLUTE MAXIMUM RATINGS
OPERATING CONDITIONS
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.
Temperature Range
ML4771CS................................................. 0ºC to 70ºC
ML4771ES ............................................. –20ºC to 70ºC
V
V
Operating Range
IN
ML4771CS.................................... 1.8V to V
ML4771ES .................................... 2.0V to V
– 0.2V
– 0.2V
OUT
OUT
V
........................................................................... 7V
OUT
Voltage on any other pin ..... GND – 0.3V to V
+ 0.3V
Operating Range .................................3.0V to 5.5V
OUT
OUT
Peak Switch Current (I
Average Switch Current (I
).......................................... 2A
PEAK
) ..................................... 1A
AVG
Junction Temperature ..............................................150ºC
Storage Temperature Range...................... –65ºC to 150ºC
Lead Temperature (Soldering 10 sec)....................... 260ºC
Thermal Resistance (q ) .................................... 160ºC/W
JA
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V = OperatingVoltage Range, T = Operating Temperature Range (Note 1).
IN
A
SYMBOL
SUPPLY
IIN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN Current
VIN = VOUT – 0.2V
2
5
35
1
µA
µA
µA
IOUT(Q) VOUT Quiescent Current
IL(Q) VL Quiescent Current
PFM REGULATOR
IL Peak Current
25
1.2
1.4
1.7
A
V
V
V
VSENSE
VOUT
SENSE Comparator Threshold Voltage
Output Voltage
2.52
4.95
4.85
2.57
5.05
4.95
2.62
5.15
5.15
See Figure 1, IOUT = 0
Load Regulation
See Figure 1,
VIN = 2.4V, IOUT = 220mA
Note 1: Limits are guaranteed by 100% testing, sampling or correlation with worst case test conditions.
3
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
